[Bacula-users] query for file sizes in a job
Hi. Based on the PHP script in the ancient e-mail thread https://sourceforge.net/p/bacula/mailman/message/28210999/ I tweaked it a bit for using with MySQL (the original was for SQLite). See it attached. -- Silver attachment: fileSizes.php -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
[Bacula-users] update slots reports Autochanger has 0 slots
Hello Bacula users, Have some problems with a Quantum SuperLoader 3 LTO-6, and try to break them down in small pieces... here is one: update slots command in bconsole says: Automatically selected Catalog: MyCatalog Using Catalog MyCatalog Automatically selected Storage: Autochanger Connecting to Storage daemon Autochanger at 192.168.1.15:9103 ... 3306 Issuing autochanger slots command. Device Autochanger has 0 slots. No slots in changer to scan. But: /usr/libexec/bacula/mtx-changer /dev/changer slots reports 16 Of course the Autochanger has 16 slots. Someone has an idea? Best regards Rainer -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] update slots reports Autochanger has 0 slots
But: “/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16 Of course the Autochanger has 16 slots. Someone has an idea? Does user bacula have the permission to run mtx-changer, mtx and access the device node for the autochanger? John -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
[Bacula-users] Prevent jobs to run or limit bandwidth in certain hours/days?
Hi everyone, I'm using Bacula 7.0 to backup a pack of servers. My schedules are all starts in evening time. My problem is: some days jobs take longer so some of them arent finished by morning and workhours bandwidth is a problem for me. I searched max bandwidth but it doesnt fit because i don't want to limit bandwidth in evenings, just in workhours, but i cant seperate it in job definition. Then I came across Max Start Delay and Max Run Sched Time and they don't fit either because i want to let the jobs run for example in weekends. Is there a way to define a jobs behaviour according to its time? Or what would you suggest doing in such situation? *Thanks,* *Begum Tuncer* -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hi John, here the properties of the mentioned things: [root@s3 sbin]# ll mtx -rwxr-xr-x. 1 root root 49944 Aug 17 2010 mtx [root@s3 bacula]# ll mtx-changer -rwxr-xr-x. 1 root root 6681 Nov 21 2012 mtx-changer [root@s3 dev]# ll changer lrwxrwxrwx. 1 root root 3 Dec 2 09:38 changer - sg1 [root@s3 dev]# ll sg1 crwxrwxrwx. 1 root tape 21, 1 Dec 2 09:38 sg1 I think everyone has rights for execute and read. I was also looking for an access-rights problem, but have not found one. Any idea? thanks in advance Rainer -Ursprüngliche Nachricht- Von: John Drescher [mailto:dresche...@gmail.com] Gesendet: Donnerstag, 4. Dezember 2014 15:17 An: Rainer Hackel Cc: bacula-users@lists.sourceforge.net Betreff: Re: [Bacula-users] update slots reports Autochanger has 0 slots But: “/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16 Of course the Autochanger has 16 slots. Someone has an idea? Does user bacula have the permission to run mtx-changer, mtx and access the device node for the autochanger? John -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hi, Check this posts: http://www.freebsddiary.org/tape-library.php http://www.freebsddiary.org/tape-library-integration.php Same issue were discussed before. (http://sourceforge.net/p/bacula/mailman/bacula-users/thread/20130306100525.gd22...@nionex.net/) Quoting Rainer Hackel rainer.hac...@degnerpartner.com: Hello Bacula users, Have some problems with a Quantum SuperLoader 3 LTO-6, and try to break them down in small pieces… here is one: “update slots“ command in bconsole says: Automatically selected Catalog: MyCatalog Using Catalog MyCatalog Automatically selected Storage: Autochanger Connecting to Storage daemon Autochanger at 192.168.1.15:9103 ... 3306 Issuing autochanger slots command. Device Autochanger has 0 slots. No slots in changer to scan. But: “/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16 Of course the Autochanger has 16 slots. Someone has an idea? Best regards Rainer -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
[Bacula-users] Handle files that have st_ctime changed often in bacula
Hello,
I have a problem when bacula tried to backup a folder that contains some
files changed often.
For example: i backup the folder /var/samba
And for some reason, some big files in this folder are accessed by other
programs and therefore their attribute chang (st_atime) is changed. As a
consequence of that, bacula backups that file in the following incremental
backup.
The final result is that those such files eat up all of my disk space.
In my opinion, i have 2 ways to solve that problem but i dont know if
they're feasible.
1) Do a full backup, but incremental backup don't include those files . Is
it possible to create a fileset for a full backup and another fileset for
the incrementals.for that case ?
2) In the fileset, those files will be treated in a different way like the
configuation below:
FileSet {
Name = fs_samba_system
File = /var/samba
Include {
Options {
signature = SHA1
onefs = no
Wildfile = *badFile.pdf
Exclude = yes
}
}
Include {
File = /var/samba
Options {
WildFile = *badFile.pdf
Signature = SHA1
mtimeonly=yes
}
Options {
Exclude = yes
RegexFile = .*
}
}
} Is it right for what i described above ?
and is there another better solution ?
Thanks in advance,
Truc
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Re: [Bacula-users] query for file sizes in a job
Some more tweaks to the script. BTW, I think it would be a useful feature for Bacula-Web too, but it should have also some searching and pagination possibilities (should be relatively easy to add to this script too actually). -- Silver On 12/04/2014 12:42 PM, Silver Salonen wrote: Hi. Based on the PHP script in the ancient e-mail thread https://sourceforge.net/p/bacula/mailman/message/28210999/ I tweaked it a bit for using with MySQL (the original was for SQLite). See it attached. -- Silver attachment: fileSizes_mysql.php -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Prevent jobs to run or limit bandwidth in certain hours/days?
Are you starting all your jobs at the same time? Wondering if your having issues with all of your jobs competing for bandwidth and slowing down. Thinking a staggered start might help you. On Thu, Dec 4, 2014 at 9:27 AM, Rai Blue raib...@gmail.com wrote: Hi everyone, I'm using Bacula 7.0 to backup a pack of servers. My schedules are all starts in evening time. My problem is: some days jobs take longer so some of them arent finished by morning and workhours bandwidth is a problem for me. I searched max bandwidth but it doesnt fit because i don't want to limit bandwidth in evenings, just in workhours, but i cant seperate it in job definition. Then I came across Max Start Delay and Max Run Sched Time and they don't fit either because i want to let the jobs run for example in weekends. Is there a way to define a jobs behaviour according to its time? Or what would you suggest doing in such situation? *Thanks,* *Begum Tuncer* -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users -- --- John M. Lockard | U of Michigan - School of Information Unix Sys Admin | 105 South State St. | 4325 North Quad jlock...@umich.edu |Ann Arbor, MI 48109-1285 www.umich.edu/~jlockard http://www.umich.edu/%7Ejlockard | 734-936-7255 | 734-764-2475 FAX --- - The University of Michigan will never ask you for your password - -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Prevent jobs to run or limit bandwidth in certain hours/days?
John, yes, most of the jobs start at the same time. But they join the queue because of max concurrent jobs setting. So they are not running at the same time. My bandwidth issue is not related to this, i think i explained it wrong. My bacula storage is in my office so in workhours it shouldn't consume my bandwidth. On Thu, Dec 4, 2014 at 6:07 PM, John Lockard jlock...@umich.edu wrote: Are you starting all your jobs at the same time? Wondering if your having issues with all of your jobs competing for bandwidth and slowing down. Thinking a staggered start might help you. On Thu, Dec 4, 2014 at 9:27 AM, Rai Blue raib...@gmail.com wrote: Hi everyone, I'm using Bacula 7.0 to backup a pack of servers. My schedules are all starts in evening time. My problem is: some days jobs take longer so some of them arent finished by morning and workhours bandwidth is a problem for me. I searched max bandwidth but it doesnt fit because i don't want to limit bandwidth in evenings, just in workhours, but i cant seperate it in job definition. Then I came across Max Start Delay and Max Run Sched Time and they don't fit either because i want to let the jobs run for example in weekends. Is there a way to define a jobs behaviour according to its time? Or what would you suggest doing in such situation? *Thanks,* *Begum Tuncer* -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users -- --- John M. Lockard | U of Michigan - School of Information Unix Sys Admin | 105 South State St. | 4325 North Quad jlock...@umich.edu |Ann Arbor, MI 48109-1285 www.umich.edu/~jlockard http://www.umich.edu/%7Ejlockard | 734-936-7255 | 734-764-2475 FAX --- - The University of Michigan will never ask you for your password - -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
[Bacula-users] Dell powerVault 124T tape library
Hi, We are looking for a solution to backup freebsd machine with large ZFS pools (8TB) We thought of purchasing a tape library with LTO6 drives which will gives us 40TB of Retention Everyone seems to indicate bacula as a good solution but when I look at the documentation, it seems 10 years outdated: http://blog.bacula.org/general/supported-autochangers/ I can't complain because it's open source and I really respect the concept and know how documentation is hard to maintain, but I would like to know if I can be safe to purchase a 7000$ library, a new server running freebsd and that it will work. This is not the kind of things I have sitting in my lab :) Is anyone running such a setup and can assure me it can be done without too much customization and troubles. If I know it can be done for a normal poweruser (I'm not a programmer that can modify source code to fix things). I'll invest time in learning and reading documentation, but it will be a lot more reassuring to know people done it before Thanks ~~ Ian Lord MSD Informatique 143 Rue des Fauvettes St-Colomban (Québec) J5K 0E2 Tél: (514) 776-6734 #201 Sans Frais: 1(877) 776-6734 #201 http://www.msdi.ca/ -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
On 12/4/2014 9:33 AM, Ian Lord wrote: Hi, We are looking for a solution to backup freebsd machine with large ZFS pools (8TB) ... if I can be safe to purchase a 7000$ library, a new server running freebsd and that it will work. This is not the kind of things I have sitting in my lab J Dunno about prices in .ca but south of your border $5K will buy you a 36+2-bay chassis where you could keep a whole lot of zfs snapshots. Probably 72+2 even. What's your planned retention period? Dima -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
On Dec 4, 2014, at 10:33 AM, Ian Lord lo...@msdi.ca mailto:lo...@msdi.ca wrote: Hi, We are looking for a solution to backup freebsd machine with large ZFS pools (8TB) So far, I like what you’re doing. We thought of purchasing a tape library with LTO6 drives which will gives us 40TB of Retention Everyone seems to indicate bacula as a good solution but when I look at the documentation, it seems 10 years outdated: http://blog.bacula.org/general/supported-autochangers/ http://blog.bacula.org/general/supported-autochangers/ That’s a blog entry. By its nature, it is dated. I can’t complain because it’s open source and I really respect the concept and know how documentation is hard to maintain, but I would like to know if I can be safe to purchase a 7000$ library, a new server running freebsd and that it will work. This is not the kind of things I have sitting in my lab J I am sure others are using LTO-6. You’ll see them pipe in here soon. Is anyone running such a setup and can assure me it can be done without too much customization and troubles. If I know it can be done for a normal poweruser (I’m not a programmer that can modify source code to fix things). I’ll invest time in learning and reading documentation, but it will be a lot more reassuring to know people done it before Bacula talks to the SCSCI interface, not to the tape library itself. If it talks SCSI to FreeBSD, it should just work. Shameless plug: come to BSDCan 2015 and we can talk more about this. ;) — Dan Langille http://langille http://langille/.org/ -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
Dunno about prices in .ca but south of your border $5K will buy you a 36+2-bay chassis where you could keep a whole lot of zfs snapshots. Probably 72+2 even. What's your planned retention period? Dima ~~ I know I am going against the trend as everyone is talking about using HD as a backup device, but we are looking as something my life will depend on. If we were to loose data, we would end up with a multi-million dollars law suit and we'll just go bankrupt. As we are a SAAS solution, everything is already redundant, we can drop a plane in one of our datacenter and customer won't even notice (technically speaking) as everything is load balanced and replicated live across the sites. We have very high security with loadbalancers, IDS, DDOS protection, etc. But let say a hacker would manage to get in and play around, or even an angry employee, or... A simple rm -r / and all of our protection is gone. Our 2 distant copies and the zfs snapshots also... It's kinda hard for a hacker to format all the tapes in a library furthermore, some tapes will be put in a safe... I love the idea of using HD, so simple, cheap and fast, but if you need absolute peace of mind, I think a tape backup is much more reliable in this sense in my opinion. That's why I'm trying to see if bacula could be a good solution in our scenario. Thanks -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] spool disk filesystem, checksums
On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error on the spool disk, will it be noticed before going onto tape or would it only be noticed in future when a file is taken off the tape? Unless you are running ZFS for the spool disk, the error will only be noticed when the data is read from the tape. Best regards, Kern -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
On Dec 4, 2014, at 12:18 PM, Ian Lord lo...@msdi.ca wrote: Dunno about prices in .ca but south of your border $5K will buy you a 36+2-bay chassis where you could keep a whole lot of zfs snapshots. Probably 72+2 even. What's your planned retention period? Dima ~~ I know I am going against the trend as everyone is talking about using HD as a backup device, but we are looking as something my life will depend on. If we were to loose data, we would end up with a multi-million dollars law suit and we'll just go bankrupt. As we are a SAAS solution, everything is already redundant, we can drop a plane in one of our datacenter and customer won't even notice (technically speaking) as everything is load balanced and replicated live across the sites. We have very high security with loadbalancers, IDS, DDOS protection, etc. But let say a hacker would manage to get in and play around, or even an angry employee, or... A simple rm -r / and all of our protection is gone. Our 2 distant copies and the zfs snapshots also... It's kinda hard for a hacker to format all the tapes in a library furthermore, some tapes will be put in a safe... I love the idea of using HD, so simple, cheap and fast, but if you need absolute peace of mind, I think a tape backup is much more reliable in this sense in my opinion. That's why I'm trying to see if bacula could be a good solution in our scenario. Thanks I use both ZFS and tape for backups. I back to disk, then copy to tape. The disk backups are there and used first. I only go to tape if there is a problem with the disk. You’d want to do tape verifies each night I would suspect. — Dan Langille http://langille.org/ -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
On 12/04/2014 11:18 AM, Ian Lord wrote: I know I am going against the trend as everyone is talking about using HD as a backup device... No, if tape's your requirement then tape is your requirement. I was just asking if it really is. But let say a hacker would manage to get in and play around, or even an angry employee, or... A simple rm -r / and all of our protection is gone. Our 2 distant copies and the zfs snapshots also... Well, if that's the case you might want to hire someone to look at your computer security, but in general It's kinda hard for a hacker to format all the tapes in a library furthermore, some tapes will be put in a safe... indeed. It is also kinda hard for the disaster recovery team to restore everything from the tapes locked up in a safe and between the financial damage you take from that and from the original hit you might go out of business anyway... But if you have a legal requirement to archive data for X years then tape it is. -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu signature.asc Description: OpenPGP digital signature -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
On 2014-12-04 07:33 AM, Ian Lord wrote: Hi, We are looking for a solution to backup freebsd machine with large ZFS pools (8TB) We thought of purchasing a tape library with LTO6 drives which will gives us 40TB of Retention Everyone seems to indicate bacula as a good solution but when I look at the documentation, it seems 10 years outdated: http://blog.bacula.org/general/supported-autochangers/ I can’t complain because it’s open source and I really respect the concept and know how documentation is hard to maintain, but I would like to know if I can be safe to purchase a 7000$ library, a new server running freebsd and that it will work. This is not the kind of things I have sitting in my lab J Is anyone running such a setup and can assure me it can be done without too much customization and troubles. If I know it can be done for a normal poweruser (I’m not a programmer that can modify source code to fix things). I’ll invest time in learning and reading documentation, but it will be a lot more reassuring to know people done it before Thanks Bacula just talks to the command-line programs for your OS that deal with the library. On Linux they are the mt-st programs. There's an autochanger script which just calls the OS commands to query the library and make it 'do stuff' so really what you are looking for is whether the library is supported on FreeBSD - as long as you can script change tapes what tapes are in what slots etc you will be good to go. The default scripts work with most changers, though I had to make a couple of tweaks for my IBM for instance. Bryn -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] Dell powerVault 124T tape library
On Dec 4, 2014 5:58 PM, Dan Langille d...@langille.org wrote: Bacula talks to the SCSCI interface, not to the tape library itself. If it talks SCSI to FreeBSD, it should just work. Same in Linux. Also iSCSI libraries work. -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] update slots reports Autochanger has 0 slots
Merhaba Can, Maybe the Device directive in bacula-sd.conf, where the drives are defined, is missing AutoChanger = yes line. Regards, - Orijinal Mesaj - Kimden: Can Şirin sirin...@itu.edu.tr Kime: bacula-users@lists.sourceforge.net Gönderilenler: 4 Aralık Perşembe 2014 17:01:37 Konu: Re: [Bacula-users] update slots reports Autochanger has 0 slots Hi, Check this posts: http://www.freebsddiary.org/tape-library.php http://www.freebsddiary.org/tape-library-integration.php Same issue were discussed before. (http://sourceforge.net/p/bacula/mailman/bacula-users/thread/20130306100525.gd22...@nionex.net/) Quoting Rainer Hackel rainer.hac...@degnerpartner.com : Hello Bacula users, Have some problems with a Quantum SuperLoader 3 LTO-6, and try to break them down in small pieces… here is one: “update slots“ command in bconsole says: Automatically selected Catalog: MyCatalog Using Catalog MyCatalog Automatically selected Storage: Autochanger Connecting to Storage daemon Autochanger at 192.168.1.15:9103 ... 3306 Issuing autochanger slots command. Device Autochanger has 0 slots. No slots in changer to scan. But: “/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16 Of course the Autochanger has 16 slots. Someone has an idea? Best regards Rainer -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] spool disk filesystem, checksums
On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error on the spool disk, will it be noticed before going onto tape or would it only be noticed in future when a file is taken off the tape? Unless you are running ZFS for the spool disk, the error will only be noticed when the data is read from the tape. In that case, it sounds like a good idea to use ZFS or Btrfs with checksums enabled -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
[Bacula-users] Prevent jobs to run or limit bandwidth in certain hours/days
A good idea is to have a dedicated network only for servers. For example, i've two networks in my work: one for users and other only for servers, then i can run a full backup between servers using about 500Mbits of bandwidth, and users don't notice anything. All full backups are in the same day?, because another option is distribute full backups along week days (or month days), and the rest of backups Differentials and Incrementals. (sorry for my english) Greetings!! --- --- John, yes, most of the jobs start at the same time. But they join the queue because of max concurrent jobs setting. So they are not running at the same time. My bandwidth issue is not related to this, i think i explained it wrong. My bacula storage is in my office so in workhours it shouldn't consume my bandwidth. On Thu, Dec 4, 2014 at 6:07 PM, John Lockard jlockard at umich.edu (jlockard at umich.edu) wrote: Are you starting all your jobs at the same time? Wondering if your having issues with all of your jobs competing for bandwidth and slowing down. Thinking a staggered start might help you. On Thu, Dec 4, 2014 at 9:27 AM, Rai Blue raiblue at gmail.com (raiblue at gmail.com) wrote: Hi everyone, I'm using Bacula 7.0 to backup a pack of servers. My schedules are all starts in evening time. My problem is: some days jobs take longer so some of them arent finished by morning and workhours bandwidth is a problem for me. I searched max bandwidth but it doesnt fit because i don't want to limit bandwidth in evenings, just in workhours, but i cant seperate it in job definition. Then I came across Max Start Delay and Max Run Sched Time and they don't fit either because i want to let the jobs run for example in weekends. Is there a way to define a jobs behaviour according to its time? Or what would you suggest doing in such situation? Thanks, Begum Tuncer +-- |This was sent by danielmadri...@gmail.com via Backup Central. |Forward SPAM to ab...@backupcentral.com. +-- -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
[Bacula-users] Help pruning expired records using bconsole prune command
Hi all,
(running bacula 7.0.5)
We currently, backup to disk and use 'Autoprune = True' in our Pool and
Client resources to remove expired records from the catalog. This works
great, but as our clients are growing I'm wanting to move away from having
the pruning done during the backup period.
My plan is to use 'prune expired' console command as a RunScript in the
catalog backup job. Something like this [1]:
Job {
Name = CatalogBackup
...
RunScript {
Console = prune expired volume yes
RunsWhen = Before
}
}
My question though, is, since we rotate through our disk volumes, like so:
Pool {
Name = aim01
Storage = aim01
Pool Type = Backup
Recycle = True
Recycle Oldest Volume = True
AutoPrune = True
Volume Retention = 29 days
Maximum Volumes = 30
Volume Use Duration = 23h
Label Format = ${Client}-${JobId}-vol
}
will we ever have any volumes that are expired, and need to be pruned? In
my case should I change those Console commands to:
'prune expired files yes'
'prune expired jobs yes'
?
Thank you for any clarification.
[1]: Taken from the Bacula community disk backup whitepaper:
http://blog.bacula.org/whitepapers/CommunityDiskBackup.pdf
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Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hi Süleyman,
this is the current definition:
Autochanger {
Name = Autochanger
Device = LTO-5
Changer Command = /usr/libexec/bacula/mtx-changer %c %o %S %a %d
Changer Device = /dev/changer
}
Device {
Name = LTO-5
Drive Index = 0
Media Type = LTO-5
Archive Device = /dev/nst0
AutomaticMount = yes;
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Alert Command = sh -c 'tapeinfo -f %c |grep TapeAlert|cat'
Spool Directory = /data/bacula-spool
Maximum File Size = 12GB
Maximum Spool Size = 3200G
# Maximum Block Size = 200
}
Do you have an other idea?
Rainer
Von: Süleyman Kuran [mailto:sku...@ayk.gov.tr]
Gesendet: Donnerstag, 4. Dezember 2014 19:23
An: Can Şirin
Cc: bacula-users@lists.sourceforge.net
Betreff: Re: [Bacula-users] update slots reports Autochanger has 0 slots
Merhaba Can,
Maybe the Device directive in bacula-sd.conf, where the drives are defined, is
missing AutoChanger = yes line.
Regards,
Kimden: Can Şirin sirin...@itu.edu.trmailto:sirin...@itu.edu.tr
Kime:
bacula-users@lists.sourceforge.netmailto:bacula-users@lists.sourceforge.net
Gönderilenler: 4 Aralık Perşembe 2014 17:01:37
Konu: Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hi,
Check this posts:
http://www.freebsddiary.org/tape-library.php
http://www.freebsddiary.org/tape-library-integration.php
Same issue were discussed before.
(http://sourceforge.net/p/bacula/mailman/bacula-users/thread/20130306100525.gd22...@nionex.net/)
Quoting Rainer Hackel
rainer.hac...@degnerpartner.commailto:rainer.hac...@degnerpartner.com:
Hello Bacula users,
Have some problems with a Quantum SuperLoader 3 LTO-6, and try to break them
down in small pieces… here is one:
“update slots“ command in bconsole says:
Automatically selected Catalog: MyCatalog
Using Catalog MyCatalog
Automatically selected Storage: Autochanger
Connecting to Storage daemon Autochanger at 192.168.1.15:9103 ...
3306 Issuing autochanger slots command.
Device Autochanger has 0 slots.
No slots in changer to scan.
But:
“/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16
Of course the Autochanger has 16 slots.
Someone has an idea?
Best regards
Rainer
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Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hello Rainer,
Can you try changing Device Name? You have Name and Media Type using the
same LTO-5. Bacula doesn´t work fine when you use the same name for
different things. If you could, I recommend you setting name with Drive-0
or something like this:
Autochanger {
Name = Autochanger
Device = Drive-0
Device {
Name = Drive-0
Drive Index = 0
Media Type = LTO-5
...
}
Best regards,
Ana
On Thu, Dec 4, 2014 at 6:16 PM, Rainer Hackel
rainer.hac...@degnerpartner.com wrote:
Hi Süleyman,
this is the current definition:
Autochanger {
Name = Autochanger
Device = LTO-5
Changer Command = /usr/libexec/bacula/mtx-changer %c %o %S %a %d
Changer Device = /dev/changer
}
Device {
Name = LTO-5
Drive Index = 0
Media Type = LTO-5
Archive Device = /dev/nst0
AutomaticMount = yes;
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Alert Command = sh -c 'tapeinfo -f %c |grep TapeAlert|cat'
Spool Directory = /data/bacula-spool
Maximum File Size = 12GB
Maximum Spool Size = 3200G
# Maximum Block Size = 200
}
Do you have an other idea?
Rainer
*Von:* Süleyman Kuran [mailto:sku...@ayk.gov.tr]
*Gesendet:* Donnerstag, 4. Dezember 2014 19:23
*An:* Can Şirin
*Cc:* bacula-users@lists.sourceforge.net
*Betreff:* Re: [Bacula-users] update slots reports Autochanger has 0 slots
Merhaba Can,
Maybe the Device directive in bacula-sd.conf, where the drives are
defined, is missing AutoChanger = yes line.
Regards,
--
*Kimden: *Can Şirin sirin...@itu.edu.tr
*Kime: *bacula-users@lists.sourceforge.net
*Gönderilenler: *4 Aralık Perşembe 2014 17:01:37
*Konu: *Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hi,
Check this posts:
http://www.freebsddiary.org/tape-library.php
http://www.freebsddiary.org/tape-library-integration.php
Same issue were discussed before. (
http://sourceforge.net/p/bacula/mailman/bacula-users/thread/20130306100525.gd22...@nionex.net/
)
Quoting Rainer Hackel rainer.hac...@degnerpartner.com:
Hello Bacula users,
Have some problems with a Quantum SuperLoader 3 LTO-6, and try to break
them down in small pieces… here is one:
“update slots“ command in bconsole says:
Automatically selected Catalog: MyCatalog
Using Catalog MyCatalog
Automatically selected Storage: Autochanger
Connecting to Storage daemon Autochanger at 192.168.1.15:9103 ...
3306 Issuing autochanger slots command.
Device Autochanger has 0 slots.
No slots in changer to scan.
But:
“/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16
Of course the Autochanger has 16 slots.
Someone has an idea?
Best regards
Rainer
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Re: [Bacula-users] update slots reports Autochanger has 0 slots
All Problems seem to come from SELINUX (CentOS 6.6)
The following modification in file /etc/sysconfig/selinux looks like a solution
for the problems.
changed SELINUX=enforcing
to SELINUX=permissive
There must have come any changes in SELINUX during the last yum update.
Unfortunately I dont understand the SELINUX thing, so I can't refine the
problem, but somehow it prevented the Bacula-Director to connect to the
database as well as getting the slot information of the autochanger.
THX @ Ana, Süleyman, Can and John
Rainer
Von: Ana Emília M. Arruda [mailto:emiliaarr...@gmail.com]
Gesendet: Donnerstag, 4. Dezember 2014 22:36
An: Rainer Hackel
Cc: Süleyman Kuran; Can Şirin; bacula-users@lists.sourceforge.net
Betreff: Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hello Rainer,
Can you try changing Device Name? You have Name and Media Type using the same
LTO-5. Bacula doesn´t work fine when you use the same name for different
things. If you could, I recommend you setting name with Drive-0 or something
like this:
Autochanger {
Name = Autochanger
Device = Drive-0
Device {
Name = Drive-0
Drive Index = 0
Media Type = LTO-5
...
}
Best regards,
Ana
On Thu, Dec 4, 2014 at 6:16 PM, Rainer Hackel
rainer.hac...@degnerpartner.commailto:rainer.hac...@degnerpartner.com wrote:
Hi Süleyman,
this is the current definition:
Autochanger {
Name = Autochanger
Device = LTO-5
Changer Command = /usr/libexec/bacula/mtx-changer %c %o %S %a %d
Changer Device = /dev/changer
}
Device {
Name = LTO-5
Drive Index = 0
Media Type = LTO-5
Archive Device = /dev/nst0
AutomaticMount = yes;
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Alert Command = sh -c 'tapeinfo -f %c |grep TapeAlert|cat'
Spool Directory = /data/bacula-spool
Maximum File Size = 12GB
Maximum Spool Size = 3200G
# Maximum Block Size = 200
}
Do you have an other idea?
Rainer
Von: Süleyman Kuran [mailto:sku...@ayk.gov.trmailto:sku...@ayk.gov.tr]
Gesendet: Donnerstag, 4. Dezember 2014 19:23
An: Can Şirin
Cc:
bacula-users@lists.sourceforge.netmailto:bacula-users@lists.sourceforge.net
Betreff: Re: [Bacula-users] update slots reports Autochanger has 0 slots
Merhaba Can,
Maybe the Device directive in bacula-sd.conf, where the drives are defined, is
missing AutoChanger = yes line.
Regards,
Kimden: Can Şirin sirin...@itu.edu.trmailto:sirin...@itu.edu.tr
Kime:
bacula-users@lists.sourceforge.netmailto:bacula-users@lists.sourceforge.net
Gönderilenler: 4 Aralık Perşembe 2014 17:01:37
Konu: Re: [Bacula-users] update slots reports Autochanger has 0 slots
Hi,
Check this posts:
http://www.freebsddiary.org/tape-library.php
http://www.freebsddiary.org/tape-library-integration.php
Same issue were discussed before.
(http://sourceforge.net/p/bacula/mailman/bacula-users/thread/20130306100525.gd22...@nionex.net/)
Quoting Rainer Hackel
rainer.hac...@degnerpartner.commailto:rainer.hac...@degnerpartner.com:
Hello Bacula users,
Have some problems with a Quantum SuperLoader 3 LTO-6, and try to break them
down in small pieces… here is one:
“update slots“ command in bconsole says:
Automatically selected Catalog: MyCatalog
Using Catalog MyCatalog
Automatically selected Storage: Autochanger
Connecting to Storage daemon Autochanger at
192.168.1.15:9103http://192.168.1.15:9103 ...
3306 Issuing autochanger slots command.
Device Autochanger has 0 slots.
No slots in changer to scan.
But:
“/usr/libexec/bacula/mtx-changer /dev/changer slots” reports 16
Of course the Autochanger has 16 slots.
Someone has an idea?
Best regards
Rainer
--
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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6
All Problems seem to come from SELINUX (CentOS 6.6)
The following modification in file /etc/sysconfig/selinux looks like a solution
for the problems.
changed SELINUX=enforcing
to SELINUX=permissive
There must have come any changes in SELINUX during the last yum update.
Unfortunately I dont understand the SELINUX thing, so I can't refine the
problem, but somehow it prevented the Bacula-Director to connect to the
database as well as getting the slot information of the autochanger.
THX @ Ana, Heitor and Ben
Rainer
Von: Ana Emília M. Arruda [mailto:emiliaarr...@gmail.com]
Gesendet: Mittwoch, 3. Dezember 2014 13:12
An: Rainer Hackel
Cc: bacula-users@lists.sourceforge.net
Betreff: Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6
Hello Rainer,
Could you tell us which version are you using? Have you upgraded?
Could you post the results of the /usr/libexec/bacula/mtx-changer /dev/sg1
listall command?
Best regards,
Ana
On Wed, Dec 3, 2014 at 7:45 AM, Rainer Hackel
rainer.hac...@degnerpartner.commailto:rainer.hac...@degnerpartner.com wrote:
Hello Bacula users,
we run bacula backup for a while now. We had to replace our Tandberg
Tape-Library (StorageLoader LTO-5) by a Quantum device (Superloader LTO-6) and
have some problems now. Maybe someone can help.
First problem:
Starting Bacula this way doesn’t work anymore:
cd /etc/init.d
./bacula-dir start
Starting this way works fine:
cd /etc/init.d
bacula-dir /etc/bacula/bacula-dir.conf
I could live with that, but I wonder why this happened…
Next problem:
bconsole
update slots
Result:
…
3306 Issuing autochanger slots command.
Device Autochanger has 0 slots.
No slots in changer to scan.
But:
/usr/libexec/bacula/mtx-changer /dev/sg1 list 0 /dev/nst0 0
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 slots
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 load 3 /dev/nst0 0
All works fine, shows amount of slots and also the labels of stored tapes.
Entry in bacula-sd.conf:
Autochanger {
Name = Autochanger
Device = LTO-5
Changer Command = /usr/libexec/bacula/mtx-changer %c %o %S %a %d
Changer Device = /dev/changer
}
Rights on /dev:
lrwxrwxrwx. 1 root root 3 Dec 2 09:38 changer - sg1
crwxrwxrwx. 1 root tape 21, 1 Dec 2 09:38 sg1
It would be great if someone could help.
Rainer
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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6
In the message dated: Wed, 03 Dec 2014 10:45:51 +, The pithy ruminations from Rainer Hackel on [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6 were: = Hello Bacula users, we run bacula backup for a while now. We had to = replace our Tandberg Tape-Library (StorageLoader LTO-5) by a Quantum = device (Superloader LTO-6) and have some problems now. Maybe someone can = help. = = First problem: Starting Bacula this way doesn't work anymore: = cd /etc/init.d = ./bacula-dir start What's the error message? Does the init script (/etc/init.d/bacula-dir) run, but fail to find the proper configuration file? Does the init script point to a different config file (/opt/bacula/etc/bacula-dir.conf, for example)? You don't give many details about your environment, but it's possible that, over time: there was a working install of bacula, with /etc/init.d/bacula-dir pointing to a config file outside of /etc/bacula. the init script was modified at some point the bacula package was later updated the updater recognized that /etc/init.d/bacula-dir had been modified, and [rightly] refused to overwrite the init script (often creating an alternative, such as 'bacula-dir.rpmnew') this would leave you with an init script that doesn't correspond to the paths used for the config file of the current version of bacula. = = Starting this way works fine: = cd /etc/init.d = bacula-dir /etc/bacula/bacula-dir.conf = = I could live with that, but I wonder why this happened... Um, if the commands shown above are accurate, you shouldn't 'live with' that. If you are running bacula as root (the most common method), then the above commands imply that: 1. The PATH variable for root contains . (the current dir), which is a seriously insecure misconfiguration. Can you start the bacula director from any directory with bacula-dir /etc/bacula/bacula-dir.conf, or only when you are in /etc/init.d? -or- 2. The bacula-dir executable that's being run is not in /etc/init.d What's the result of the command: which bacula-dir = = [SNIP!] = = It would be great if someone could help. Rainer -- Mark Bergman voice: 215-662-7310 mark.berg...@uphs.upenn.edu fax: 215-614-0266 http://www.cbica.upenn.edu/ IT Technical Director, Center for Biomedical Image Computing and Analytics Department of Radiology University of Pennsylvania PGP Key: http://www.cbica.upenn.edu/sbia/bergman -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] spool disk filesystem, checksums
Daniel Pocock wrote (2014/12/04): On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error on the spool disk, will it be noticed before going onto tape or would it only be noticed in future when a file is taken off the tape? Unless you are running ZFS for the spool disk, the error will only be noticed when the data is read from the tape. In that case, it sounds like a good idea to use ZFS or Btrfs with checksums enabled Hard drives use error correction/detection codes, so single bit error without any error indication is unlikely. Especially in case of spool disks, where datas are read shortly after write. -- Rudolf Cejka cejkar at fit.vutbr.cz http://www.fit.vutbr.cz/~cejkar Brno University of Technology, Faculty of Information Technology Bozetechova 2, 612 66 Brno, Czech Republic -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
Re: [Bacula-users] spool disk filesystem, checksums
On 05/12/14 00:43, Cejka Rudolf wrote: Daniel Pocock wrote (2014/12/04): On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error on the spool disk, will it be noticed before going onto tape or would it only be noticed in future when a file is taken off the tape? Unless you are running ZFS for the spool disk, the error will only be noticed when the data is read from the tape. In that case, it sounds like a good idea to use ZFS or Btrfs with checksums enabled Hard drives use error correction/detection codes, so single bit error without any error indication is unlikely. Especially in case of spool disks, where datas are read shortly after write. Unfortunately, that is completely untrue. Disks and IO subsystems do not provide any guarantees that they will return the exact data that was written. That is why modern filesystems have checksums. The actual corruption of data often occurs in the writing phase, so whether you read back the sector in 5 minutes or 5 weeks, it will always come back with some bit changed. I've seen this more than once unfortunately. This looks at some of the issues; https://blogs.oracle.com/bonwick/entry/zfs_end_to_end_data -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
