Re: [CentOS] Graphical net install-OT

2008-09-29 Thread Ross S. W. Walker
John, All the kickstart options are in the online RedHat docs either at redhat.com or CentOS.org. -Ross On Sep 29, 2008, at 1:38 AM, John [EMAIL PROTECTED] wrote: JohnStanley Writes: Ross, Not to sound stupid or anything but where did you find all the options for building your

RE: [CentOS] Graphical net install

2008-09-28 Thread Ross S. W. Walker
Test wrote: Is it at all possible to do a graphical netinstall ? I am using centos 5.2, and i have been doing net installs (pxe) for a while in console mode... The pxeboot initrd and vmlinuz are in the boot directory on CD 1. Copy those to the tftpboot directory, along with your

RE: [CentOS] Treason uncloaked!

2008-09-25 Thread Ross S. W. Walker
John R Pierce wrote: got a centos5.2 web/database server thats on a public coloc, its dmesg fills up with TCP: Treason uncloaked! Peer 82.135.195.32:64905/8032 shrinks window 354477433:354478918. Repaired. TCP: Treason uncloaked! Peer 82.135.195.32:64905/8032 shrinks window

RE: [CentOS] A new blog on the block for Linux newbies

2008-09-04 Thread Ross S. W. Walker
MHR wrote: IMVMHO, having been brand new to CentOS but a long time Linux user and sometimes administrator, delving into the depths of the kernel, returning to the Linux email list world (as an idiot AND a newbie) and now charged in part with porting a major real-life real-time app from FC1

RE: [CentOS] A new blog on the block for Linux newbies

2008-09-04 Thread Ross S. W. Walker
Mike McCarty wrote: Ross S. W. Walker wrote: [snip good advice] Oh and don't forget virtualization is your friend in learning! VMware workstation, Parallels, Virtual Box, Xen, Hyper-V, they're all good for learning! Create a VM per-distro, see how each distro installs, see how

RE: [CentOS] Control IO related to a process

2008-09-02 Thread Ross S. W. Walker
Peter Kjellstrom wrote: On Tuesday 02 September 2008, Joseph L. Casale wrote: Is there a way to nice the IO on a process such as dd? If not, what could be a way to control the IO level of such a process from bogging down a server to severely. There is ionice (assuming CentOS-5) in the

RE: [CentOS-virt] xen+drbd Question

2008-08-27 Thread Ross S. W. Walker
Jerry Amundson wrote: yes. i replied to myself. Talking to yourself is the first sign of insanity! The second being, disagreeing with the first. On Tue, Aug 26, 2008 at 10:56 PM, Jerry Amundson [EMAIL PROTECTED] wrote: On Tue, Aug 26, 2008 at 11:25 AM, Ross S. W. Walker [EMAIL PROTECTED

RE: [CentOS-virt] xen+drbd Question

2008-08-26 Thread Ross S. W. Walker
Alexandre Biancalana wrote: Hi list, I installed two new servers to be our virtualization HA. This servers have CentOS 5.2, Xen 3.0.3, Drbd 8.2.6. The setup is ok, lvm drbd resources sincronizing, Guest VM running without any problem. My only doubt is that I can only use drbd resources

RE: [CentOS] apache

2008-08-26 Thread Ross S. W. Walker
Jeff wrote: On Tue, Aug 26, 2008 at 10:11 AM, Mad Unix [EMAIL PROTECTED] wrote: Can I do the following vi /etc/sysconfig/httpd # Configuration file for the httpd service. # # The default processing model (MPM) is the process-based # 'prefork' model. A thread-based model,

RE: [CentOS] establish a 128 bit encrypted tunnel between centos 5.2boxes

2008-08-26 Thread Ross S. W. Walker
Jerry Geis wrote: Is there an easy way or anyway to establish a 128 bit encrypted tunnel between a handful of centos 5.2 boxes? I am not familiar with this at all. If it's just shell access, then ssh of course! If it's HTTP use HTTPS! If it's SMTP use TLS. And so on... If it's for all

Re: [CentOS] Yum corrupting RPMs

2008-08-25 Thread Ross S. W. Walker
On Aug 24, 2008, at 9:25 PM, Tom Lanyon [EMAIL PROTECTED] wrote: Hi list, Trying to upgrade someone's workstation here to 5.2 (was installed from a 5.0 DVD I think). The RPMs on our internal mirror are in-tact and pass a 'rpm -- checksig' test, yet when I run a 'yum upgrade' a large

RE: [CentOS] Growing RAID5 on CentOS 4.6

2008-08-22 Thread Ross S. W. Walker
Stephen Harris wrote: On Fri, Aug 22, 2008 at 08:41:25PM +0300, Jussi Hirvi wrote: How about simply % mdadm --grow /dev/md3 % mdadm --grow /dev/md3 mdadm: no changes to --grow What do you get with % mdadm --detail /dev/md3 /dev/md3: snip Number Major Minor

RE: [CentOS] Growing RAID5 on CentOS 4.6

2008-08-22 Thread Ross S. W. Walker
John R Pierce wrote: Stephen Harris wrote: A RAID-5 set can be expanded by adding extra drives. This requires restriping the array which means (almost) every block must be written to a different place. This option allows such restriping to be done

RE: [CentOS] Growing RAID5 on CentOS 4.6

2008-08-22 Thread Ross S. W. Walker
Stephen Harris wrote: On Fri, Aug 22, 2008 at 02:50:29PM -0400, Ross S. W. Walker wrote: It would probably be faster to backup, rebuild and restore too... The whole reason I need to extend like this is because I don't have any easy way of backing up 1.3Tbytes of data. While the rebuild

RE: [CentOS] Growing RAID5 on CentOS 4.6

2008-08-22 Thread Ross S. W. Walker
Stephen Harris wrote: On Fri, Aug 22, 2008 at 03:05:30PM -0400, Ross S. W. Walker wrote: Stephen Harris wrote: Or you could just boot from a LiveCD of a distro that was this and run a conversion there, it would make it unavailable during the conversion though. *grin* My first email

RE: [CentOS] Growing RAID5 on CentOS 4.6

2008-08-22 Thread Ross S. W. Walker
Stephen Harris wrote: On Fri, Aug 22, 2008 at 03:31:31PM -0400, Ross S. W. Walker wrote: I wouldn't use Ubuntu or any Debian based distro cause it's EVMS just might bugger up the LVM config... Huh. Dunno what EVMS is, but thanks for the warning! EVMS is like a storage management

RE: [CentOS] iscsi and the last mile...

2008-08-20 Thread Ross S. W. Walker
Scott R. Ehrlich wrote: I have a new Dell PowerEdge 2950 running CentOS 5.0 out-of-box and a Dell MD3000i. I am new to iscsi and, with google and included documentation, am having a heck of a time trying to get the RAID volumes I have created on the 3000i to be seen by the OS as usuable

RE: [CentOS] gcc editor for newbie (Emacs or vim or ?)

2008-08-11 Thread Ross S. W. Walker
Lanny Marcus wrote: On Sun, Aug 10, 2008 at 6:19 PM, Nifty Cluster Mitch [EMAIL PROTECTED] wrote: On Sun, Aug 10, 2008 at 05:04:16PM -0500, Lanny Marcus wrote: I downloaded the .pdf version of Thinking in C++ and I've begun to read that and I did yum groupinstall 'Development Tools'

RE: [CentOS] Port Closing Question..

2008-07-31 Thread Ross S. W. Walker
Ryan Nichols wrote: Is there a software avail or a process that will monitor two ports and if there is no traffic close them so the program that is using them can reuse them? I talked to the vendor and they told me I needed to do this on the NAT/Firewall , but I dont see anything like

Re: [CentOS] slow NFS speed

2008-07-30 Thread Ross S. W. Walker
70-80MB/s is good for NFS/CIFS networking given the 4k block size and network latency. It's not the MB/s driven by your storage system that get you it's the IOPS throttled by the network latency and two-way communication over it. -Ross - Original Message - From: [EMAIL PROTECTED]

RE: [CentOS] Will CentOS 6's upstream be based on Fedora 10?

2008-07-30 Thread Ross S. W. Walker
Kanwar Ranbir Sandhu wrote: Hi All, The subject says it all. I'm asking because I've found Fedora 9 to be buggy as hell - it is one of the worst Fedora releases I've ever used (and I've been using it since Fedora Core 1). I'm putting up with it for my work laptop, but it's not fun. :(

RE: [CentOS] Will CentOS 6's upstream be based on Fedora 10?

2008-07-30 Thread Ross S. W. Walker
Kanwar Ranbir Sandhu wrote: On Wed, 2008-07-30 at 10:58 -0400, Ross S. W. Walker wrote: Try Fedora 8, I know it doesn't have much life in it for updates, but it is the most solid Fedora out there right now, and it still is getting updates until Christmas. I personnally could be very

RE: [CentOS] slow NFS speed

2008-07-30 Thread Ross S. W. Walker
Marc Grimme wrote: On Wednesday 30 July 2008 20:52:07 John R Pierce wrote: Mag Gam wrote: 70-80Mb/sec. MB, sorry :-) thats on the order of 700-800Mbit/sec, which is quite good for a single session on GigE. as others have said, the sort of bonding you're doing doesn't speed up

Re: [CentOS] Will CentOS 6's upstream be based on Fedora 10?

2008-07-30 Thread Ross S. W. Walker
I have always wanted a distro in-between long term support and cutting edge. Say one that uses the kernel/command line part of a long term distro and the gui and gui apps of a cutting edge distro (maybe 1 back from the cutting edge). An kernel upgrade cycle of say 3 years, but a GUI that stays

RE: [CentOS] preferred software RAID 10?

2008-07-28 Thread Ross S. W. Walker
Rudi Ahlers wrote: Ross S. W. Walker wrote: Rudi Ahlers wrote: Ross S. W. Walker wrote: Rudi Ahlers wrote: Hi all I'm looking at setting up software RAID 10, using CentOS 5.1 x64 - what is the best way todo this? I'm reading some sources on the internet, and get a lot

RE: [CentOS] preferred software RAID 10?

2008-07-28 Thread Ross S. W. Walker
Rudi Ahlers wrote: Ross S. W. Walker wrote: Kai Schaetzl wrote: Rudi Ahlers wrote on Thu, 17 Jul 2008 23:10:48 +0200: /boot shouldn't be mirrored, as the BIOS won't know how to boot it. leave /dev/sdb1 the same size as /dev/sda1 and call it /boot2 and try to remember to copy

RE: [CentOS] Re: preferred software RAID 10?

2008-07-28 Thread Ross S. W. Walker
Scott Silva wrote: snip Does swap need to be part of the RAID set? Is there actually a performance boost? Not a performance boost, but if the drive that swap is on fails while the OS has data there the system can choke horribly or even die. Swap on raid can sometimes be slightly

RE: [CentOS] Duplicate PV on HW RAID?

2008-07-28 Thread Ross S. W. Walker
Eduardo Grosclaude wrote: Hello, My hardware (?) RAID system seems to work but says duplicate PV while booting, I don't think I was reading them before. Any clues will be appreciated. From what I recall: 1) RAID 1 was setup (using firmware setup program) on a machine with Intel S3200

RE: [CentOS] Duplicate PV on HW RAID?

2008-07-28 Thread Ross S. W. Walker
Toby Bluhm wrote: Toby Bluhm wrote: Ross S. W. Walker wrote: Eduardo Grosclaude wrote: Hello, My hardware (?) RAID system seems to work but says Never mind, mdadm don't apply with HW raid. Ah, but it would if a hardware RAID1 mirror were broken, a new disk stuck in, then later

RE: [CentOS] Hardware serial number access from (a) command(s)

2008-07-28 Thread Ross S. W. Walker
MHR wrote: Over the weekend, I had to make a technical support call on one of my DVD burners, and at one point the recorded message mentioned I should have my serial number handy. I thought there was a way to read that from at least one piece of software on the system, but I couldn't

RE: [CentOS] Duplicate PV on HW RAID?

2008-07-28 Thread Ross S. W. Walker
Eduardo Grosclaude wrote: On Mon, Jul 28, 2008 at 3:36 PM, Toby Bluhm [EMAIL PROTECTED] wrote: Eduardo Grosclaude wrote: Ross, Nate, Tony, thanks for your promptly response Toby Ouch! Excuse me plz If it were me I

RE: [CentOS] Duplicate PV on HW RAID?

2008-07-28 Thread Ross S. W. Walker
D Steward wrote: Re-install with software RAID1. RAID1 is cheap as far as CPU/IO time is concerned so it works well software wise, and you get email alerts if it gets degraded! I agree with you re. CPU load, but what about hot-swap and auto rebuilding of arrays? Does software RAID

RE: [CentOS] Re: Duplicate PV on HW RAID?

2008-07-28 Thread Ross S. W. Walker
Scott Silva wrote: on 7-28-2008 2:30 PM D Steward spake the following: Re-install with software RAID1. RAID1 is cheap as far as CPU/IO time is concerned so it works well software wise, and you get email alerts if it gets degraded! I agree with you re. CPU load, but what about

Re: [CentOS] Re: 6TB SCSI RAID vs. Centos

2008-07-25 Thread Ross S. W. Walker
There is another way too, make the disk a raw PV (no partition table) and use LVM. LVM can handle PVs up to 2^64 in size. Then when creating LVs you only have to worry about what the max file system size is. -Ross - Original Message - From: [EMAIL PROTECTED] [EMAIL PROTECTED] To:

RE: [CentOS] preferred software RAID 10?

2008-07-17 Thread Ross S. W. Walker
Rudi Ahlers wrote: John R Pierce wrote: Rudi Ahlers wrote: And then, how do I setup the partitioning? Do I setup /boot on a separate RAID partition? If so, what happens if I want to replace the 1st 2 HDD's with bigger ones? each partition is raided seperately with mdadm you

RE: [CentOS] preferred software RAID 10?

2008-07-17 Thread Ross S. W. Walker
Kai Schaetzl wrote: Rudi Ahlers wrote on Thu, 17 Jul 2008 23:10:48 +0200: /boot shouldn't be mirrored, as the BIOS won't know how to boot it. leave /dev/sdb1 the same size as /dev/sda1 and call it /boot2 and try to remember to copy /boot to /boot2 each time you update the kernel. I

RE: [CentOS] lvm errors after replacing drive in raid 10 array

2008-07-17 Thread Ross S. W. Walker
Mike wrote: I thought I'd test replacing a failed drive in a 4 drive raid 10 array on a CentOS 5.2 box before it goes online and before a drive really fails. I 'mdadm failed, removed', powered off, replaced drive, partitioned with sfdisk -d /dev/sda | sfdisk /dev/sdb, and finally 'mdadm

RE: [CentOS] preferred software RAID 10?

2008-07-17 Thread Ross S. W. Walker
Rudi Ahlers wrote: Ross S. W. Walker wrote: Rudi Ahlers wrote: John R Pierce wrote: Rudi Ahlers wrote: And then, how do I setup the partitioning? Do I setup /boot on a separate RAID partition? If so, what happens if I want to replace the 1st 2 HDD's with bigger

RE: [CentOS] Need help with awk one-liner

2008-07-09 Thread Ross S. W. Walker
Sean Carolan wrote: This awk command pulls URLs from an apache config file, where $x is the config filename. awk '/:8008\/root/ {printf $3 \t}' $x The URL that is output by the script looks something like this: ajpv12://hostname.network.company.com:8008/root Is there a way to alter

RE: [CentOS] Need help with awk one-liner

2008-07-09 Thread Ross S. W. Walker
Sean Carolan wrote: those are supposed to be tab-separated urls, all on one line. If 'ajpv12://' and ':8008/root' are always going to be the same: awk '/:8008\/root/ {printf $3 \t}' $x | sed 's/ajpv12:\/\///g' | sed 's/:8008\/root//g' If these change then your going to need either a more

RE: [CentOS] Re: is CentOS an LSB certified product?

2008-07-01 Thread Ross S. W. Walker
Rudi Ahlers wrote: Sorry to ask this, but what exactly is the LSB? What will CentOS (and probably) the community gain from it? I mean, apart from RedHat Enterprise, Suse Enterpise and the other commercial Linux's, most other linuxes are not certified AFAIK. I know CentOS stands out

RE: [CentOS] Rebuild of kernel 2.6.9-67.0.20.EL failure

2008-07-01 Thread Ross S. W. Walker
Akemi Yagi wrote: On Tue, Jul 1, 2008 at 9:59 AM, Sorin Srbu [EMAIL PROTECTED] wrote: And who might this revered Jim Perrin be? Obviously he seems to be some kind of big cheese, but what does he do etc? He certainly is. Jim sweeps the floors for CentOS. Known as le nettoyeur on

[CentOS] Yogunluk

2008-06-27 Thread Ross S. W. Walker
Somebody needs to remove this guy from the list. There is some dumb auto-reply rule either him or one of his sophomoric co-workers setup on his mail client. -Ross -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Friday,

RE: Yogunluk: Re: [CentOS] 5.1 to 5.2 upgrade - perfectly smoothe

2008-06-27 Thread Ross S. W. Walker
Craig White wrote: Turkish vacation message It looks like somebody randomly typed some words on a keyboard. -Ross __ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and

RE: [CentOS] how to downgrade from CentOS 5.2 to CentOS 5.1?

2008-06-25 Thread Ross S. W. Walker
Rudi Ahlers wrote: Johnny Hughes wrote: Rudi Ahlers wrote: Johnny Hughes wrote: Rudi Ahlers wrote: I've run into some trouble with a new cPanel VPS, and noticed that it's running CentOS by default, installed via the CentOS http server. My question is, how do I downgrade CentOS to

RE: [CentOS] preferred software RAID 10?

2008-06-25 Thread Ross S. W. Walker
Rudi Ahlers wrote: Hi all I'm looking at setting up software RAID 10, using CentOS 5.1 x64 - what is the best way todo this? I'm reading some sources on the internet, and get a lot of different suggestions 1 suggestion says to boot up with a Live CD like Knoppix or SystemRescueCD,

RE: [CentOS] preferred software RAID 10?

2008-06-25 Thread Ross S. W. Walker
Rudi Ahlers wrote: Ross S. W. Walker wrote: Rudi Ahlers wrote: Hi all I'm looking at setting up software RAID 10, using CentOS 5.1 x64 - what is the best way todo this? I'm reading some sources on the internet, and get a lot of different suggestions 1 suggestion says

RE: [CentOS] preferred software RAID 10?

2008-06-25 Thread Ross S. W. Walker
Florin Andrei wrote: John R Pierce wrote: /boot shouldn't be mirrored, as the BIOS won't know how to boot it. Wait. I thought mirror RAID is the same on-disk format like a plain partition, so therefore a mirrored /boot will always boot. At least, it always did for me. Yes, default

RE: [CentOS] centos 5.2 for real this time

2008-06-24 Thread Ross S. W. Walker
Donald Buchan wrote: I did a yum update last night at about 23h15 EDT (-4). No upgrade. I just did a yum update this morning at about 08h45 (-4). for my system there's about 348 megs of updates. Now all I have to do is figure out how to remove OO.o 2.0.whatever which is being upgraded

RE: [CentOS] centos 5.2 for real this time

2008-06-24 Thread Ross S. W. Walker
Donald Buchan wrote: Just reread your message. I was still having problems with the 2.0 centos version coming back even though I'd removed it. I tried Ross' suggesting, it removed things successfully (for both 2.0.whatever and 2.4.1.) But the new 2.4.1 won't install because package

Re: [CentOS] lvm with iscsi devices on boot

2008-06-23 Thread Ross S. W. Walker
Excellent! Glad it's working for you. -Ross - Original Message - From: [EMAIL PROTECTED] [EMAIL PROTECTED] To: CentOS mailing list centos@centos.org Sent: Sun Jun 22 04:09:59 2008 Subject: Re: [CentOS] lvm with iscsi devices on boot On Fri, Jun 20, 2008 at 1:04 AM, Ross S. W. Walker

RE: [CentOS] 3ware performance in CentOS

2008-06-20 Thread Ross S. W. Walker
Florin Andrei wrote: John R Pierce wrote: of course, XFS can also fail spectacularly.ext3fs fully journals all metadata updates. I'm sure this is a major portion of the performance differences on writes. Actually, I've used XFS since the days it was released as a port to

RE: [CentOS] lvm with iscsi devices on boot

2008-06-19 Thread Ross S. W. Walker
Raja Subramanian wrote: Hi All, My CentOS 5.1 server is using iSCSI attached disks connecting to a dual controller storage array. I have also configured multipathd to manage the multiple paths. Everything works well, and on boot the dev nodes are automatically created in /dev/mapper. On

RE: [CentOS] need advise on protect base and priorities plugin

2008-06-19 Thread Ross S. W. Walker
D Steward wrote: Just for the record, basically protectbase is priorities with only 2 settings (0 and 1) Thanks for this. I was wondering if you could tell me the default priority for the 'priorities' plugin? I've made a point of ensuring that *every* repo gets a priority even if

RE: [CentOS] rpmfusion status?

2008-06-18 Thread Ross S. W. Walker
Frank Cox wrote: Unless I've missed something (which is possible) there hasn't been any public progress announcements regarding rpmfusion in the past several weeks. Is there anything new to report? My ulterior motive is that I would love to have the convenience of a one-stop rpm shop for

RE: [CentOS] rpmfusion status?

2008-06-18 Thread Ross S. W. Walker
Karanbir Singh wrote: Ross S. W. Walker wrote: Not to start a repo flame war, but for CentOS/RHEL, the repo that aims to be a one-stop rpm shop is EPEL. Of course it needs more contributors, but it has already ported a significant amount of FC6's old 'extras' repo over (FC6 - EL5

RE: [CentOS] RE: rpmfusion status?

2008-06-18 Thread Ross S. W. Walker
Ralph Angenendt wrote: Rex Dieter wrote: Ross S. W. Walker wrote: Not to start a repo flame war, nice try. Nice catch =:D I had to preface it with that, so I wouldn't seem like a total troll! Now if you excuse me, since my work is done here, I have a bridge to crawl under

RE: [CentOS] rpmfusion status?

2008-06-18 Thread Ross S. W. Walker
Karanbir Singh wrote: Ross S. W. Walker wrote: If they manage to port all the Fedora extras over for EL then I would say that is pretty darn close to one-stop shop for RPMs. Of course no repo can have it all. There are always the questionable items like closed source drivers and codecs

RE: [CentOS] rpmfusion status?

2008-06-18 Thread Ross S. W. Walker
Karanbir Singh wrote: Ross S. W. Walker wrote: You need to go back and workout what a real resourceful repo should / could / would have. If EPEL gives you all that, your' done. For a vast majority of the rest of us, it doesnt and the way their mandate works, it wont

RE: [CentOS] rpmfusion status?

2008-06-18 Thread Ross S. W. Walker
Bent Terp wrote: On Wed, Jun 18, 2008 at 6:27 PM, Ross S. W. Walker [EMAIL PROTECTED] wrote: If they manage to port all the Fedora extras over for EL then I would say that is pretty darn close to one-stop shop for RPMs. Assuming that all software ever needed by anybody exists in Fedora

RE: [CentOS] need advise on protect base and priorities plugin

2008-06-18 Thread Ross S. W. Walker
ceejay cervantes wrote: Is it not ok to use both plugins at the same time? No it isn't. Use priorities (newer) as it allows more flexible control over protectbase (older). Other then that your configs look fine. -Ross __

RE: [CentOS] need advise on protect base and priorities plugin

2008-06-18 Thread Ross S. W. Walker
MHR wrote: On Wed, Jun 18, 2008 at 12:18 PM, Ross S. W. Walker [EMAIL PROTECTED] wrote: Use priorities (newer) as it allows more flexible control over protectbase (older). Should we then uninstall the protectbase plugin once we are using the priorities plugin? Probably a dumb

RE: [CentOS] Re: raid1 disk format?

2008-06-12 Thread Ross S. W. Walker
Les Mikesell wrote: You can't beat dd for getting everything exactly the same regardless of what you changed - or just splitting the mirrors and letting each sync to new partners but then you have to reinstall grub. I prefer clonezilla for non-raid configurations but most of the machines

RE: [Fwd: Re: [CentOS] School Server Setup]

2008-06-11 Thread Ross S. W. Walker
Sorin Srbu wrote: Everything was orangy, yellow or weird green in the 70s... ;-) God, and that included my kitchen floor! -Ross __ This e-mail, and any attachments thereto, is intended only for use by the addressee(s)

RE: [CentOS] Re: raid1 disk format?

2008-06-11 Thread Ross S. W. Walker
Les Mikesell wrote: snip 'mdadm' writes a listing of the devices in the array to the md superblock and orders them by number,major,minor. You cannot add another device to the array with the same tuple. Isn't this updated at detect time so the device minor's should always be

RE: [CentOS] raid1 disk format?

2008-06-10 Thread Ross S. W. Walker
Les Mikesell wrote: If you have a disk with several partitions set up as members of a raid1 md devices, can you make a dd image of that disk to replace its matching drive with identical partitions or are there differences between the mirrored partitions? you can 'dd' the MBR and then

RE: [CentOS] Re: raid1 disk format?

2008-06-10 Thread Ross S. W. Walker
Les Mikesell wrote: Scott Silva wrote: If you have a disk with several partitions set up as members of a raid1 md devices, can you make a dd image of that disk to replace its matching drive with identical partitions or are there differences between the mirrored partitions? you

RE: [CentOS] kernels and irc

2008-06-05 Thread Ross S. W. Walker
James Bunnell wrote: i do pay for rhel. i made the mistake of converting to centos. damage is done. on the next major upgrade, i will return to rhel and will not professionally recommend centos either privately,personally, or in the realm of a business. thanks for seeing my side of the

RE: [CentOS] kernels and irc

2008-06-05 Thread Ross S. W. Walker
Johnny Hughes wrote: 2. You can not be a ass on our IRC channels, or on our mailing lists. I object to your language on the list! You MUST use the word an as a preposition to a noun beginning with a vowel! What is this world coming to! -Ross

RE: [CentOS] Re: kernels and irc

2008-06-05 Thread Ross S. W. Walker
Scott Silva wrote: on 6-5-2008 8:30 AM James Bunnell spake the following: i do pay for rhel. i made the mistake of converting to centos. damage is done. on the next major upgrade, i will return to rhel and will not professionally recommend centos either privately,personally, or in the

RE: [CentOS] Re: isolinux on a pendrive from disk 1

2008-06-05 Thread Ross S. W. Walker
Jerry Geis wrote: Jerry Geis wrote: Jerry Geis wrote: Jerry Geis wrote: Hi I just grabbed an 8gig thumb drive, took disk 1 centos 4 i386, copied the isolinux

RE: [CentOS] Live CD?

2008-06-04 Thread Ross S. W. Walker
MHR wrote: I just used a Live CD for the first time today, in part to show what CentOS can do for a co-worker who is looking at using it at work and home, but I got the strangest result. We booted the CD and let the centos user log in. It took a really long time to load the desktop and

RE: [CentOS] Blocking external usb storage

2008-06-04 Thread Ross S. W. Walker
Kevin Faulkner wrote: Fajar Priyanto wrote: On Friday 23 May 2008 14:16:45 whoami i wrote: This is my first mail to this mailing list.I want to block external usb storage completly on my server running on centos 5 having confidiential data. 1. unplug any usb storage 2. rmmod

RE: [CentOS] Largish filesystems [was Re: XFS install issue]

2008-06-02 Thread Ross S. W. Walker
Bent Terp wrote: On Mon, Jun 2, 2008 at 2:03 PM, Johnny Hughes [EMAIL PROTECTED] wrote: I would also not use XFS in production ... but that is just me. Interesting, I thought that XFS was fairly safe for use. What would you recommend for filesystems in the 50-500 terabyte range? (And

RE: [CentOS] RE: Largish filesystems [was Re: XFS install issue]

2008-06-02 Thread Ross S. W. Walker
[EMAIL PROTECTED] wrote: If there was a way to create a Linux (Centos) 100TB - 500TB or larger clustered file system with the nodes connected via infiniband that was easily manageable with throughput that can support multiple 10Gbps Ethernet connections I would be very interested. Check

RE: [CentOS] RE: Largish filesystems [was Re: XFS install issue]

2008-06-02 Thread Ross S. W. Walker
Bent Terp wrote: On Mon, Jun 2, 2008 at 7:48 PM, Ross S. W. Walker [EMAIL PROTECTED] wrote: As for file systems there is only really one for that scenario, GFS, as OCFSv1 only goes up to 8TB and OCFSv2 is still a technology preview. Besides GFS is included in the distro! Lustre? Can

RE: [CentOS] CentOS 5.2 ?

2008-05-29 Thread Ross S. W. Walker
Johnny Hughes wrote: Stephen John Smoogen wrote: On Fri, May 23, 2008 at 9:11 AM, MHR [EMAIL PROTECTED] wrote: On Fri, May 23, 2008 at 2:41 AM, Ralph Angenendt [EMAIL PROTECTED] wrote: Answer: When it's ready. Suits me - I have a different question (and it's probably up somewhere I

RE: [CentOS] Re: memorial day kernel panic

2008-05-27 Thread Ross S. W. Walker
sbeam wrote: On Tuesday 27 May 2008 11:39, Scott Silva wrote: Running memtest for 24 hours should be enough to test the ram. A 3ware 7006 is a fairly old card. Does it have the latest bios available from 3ware? You could always eliminate the 3ware controller by installing a drive on

[CentOS] Re: memorial day kernel panic {Scanned}

2008-05-27 Thread Ross S. W. Walker
Scott Silva wrote: on 5-27-2008 10:16 AM Ross S. W. Walker spake the following: sbeam wrote: On Tuesday 27 May 2008 11:39, Scott Silva wrote: Running memtest for 24 hours should be enough to test the ram. A 3ware 7006 is a fairly old card. Does it have the latest bios

RE: [CentOS] Re: RAID5 or RAID50 for database?

2008-05-25 Thread Ross S. W. Walker
Christopher Chan wrote: William Warren wrote: I'm not a fan of RAID 5 at all since it can only tolerate one failure at all. Go with raid 10 or something like that which is able to handle more than one failure. Intermittent, uncorrectable sector failures during rebuilds are becoming

RE: [CentOS] Re: RAID5 or RAID50 for database?

2008-05-25 Thread Ross S. W. Walker
Hugh E Cruickshank wrote: From: Ross S. W. Walker Sent: May 25, 2008 08:56 Typically most vendors recommend a two-prong approach, keep the database data files on a RAID5/RAID6 type array and keep the log files on a RAID10 array. I can not comment on most vendors

RE: [CentOS] COBOL

2008-05-22 Thread Ross S. W. Walker
James B. Byrne wrote: On : Wed, 21 May 2008 16:57:37 -0400, Ross S. W. Walker [EMAIL PROTECTED] wrote: I would just buy the RH licenses for the project. CentOS may work well for development and testing platform, but the production code should be on fully supported RHEL. Having been

RE: [CentOS] COBOL

2008-05-21 Thread Ross S. W. Walker
Michael wrote: Just curious, maybe some old timers could help me out. I am working with a company that is migrating 20 years of Mainframe Software Development to Unix, HPUX. How much harder would it be to go to Linux, Centos Linux? Also, anyone have any experience with Fujitsu Cobol on

Re: [CentOS] Somewhat OT:

2008-05-14 Thread Ross S. W. Walker
] [EMAIL PROTECTED] To: centos@centos.org centos@centos.org Sent: Wed May 14 06:48:50 2008 Subject: Re: [CentOS] Somewhat OT: Ross S. W. Walker wrote: Sorry for the top post. Your mailer breaking references and thus destroying threading for others is worse than top posting :) Cheers, Ralph

Re: [CentOS] Somewhat OT:

2008-05-13 Thread Ross S. W. Walker
Sorry for the top post. Nagios can start very simple, but has the ability to end up very complex. It's configs take a modular approach, you have monitors, monitors belong in groups, groups have operators/administrators, etc. My big problem with nagios is when I used it last it didn't keep

RE: [CentOS] GFS + quotas

2008-05-13 Thread Ross S. W. Walker
What you need is a GFS version of rquotad. Don't know if it exists or not, but that's what you need. -Ross -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Doug Tucker Sent: Tuesday, May 13, 2008 11:25 AM To: CentOS mailing list Subject: Re:

RE: [CentOS] yum update did not update kernel on one box

2008-05-12 Thread Ross S. W. Walker
[EMAIL PROTECTED] wrote: On 5/8/08, Kai Schaetzl maillists AT conactive DOT com wrote: snip hda3 and hda9 are your Linux LVM partitions, maybe they belong to one volume group, I don't know (your fstab would tell more, there's also a graphical frontend for LVM in your desktop). From

RE: [CentOS] Is it possible to lvrename the current root partition?

2008-05-08 Thread Ross S. W. Walker
Alfred von Campe wrote: On May 2, 2008, at 17:24, Ross S. W. Walker wrote: Sure you can do all this from rescue mode off the first CD. Boot the cd type in 'linux rescue' and continue to the command prompt. First, thanks for the detailed list, Ross. It was very helpful. I was able

RE: [CentOS] cups causing segfault

2008-05-08 Thread Ross S. W. Walker
Gregory P. Ennis wrote: On Thu, 2008-05-08 at 10:46 -0400, Ross S. W. Walker wrote: Gregory P. Ennis wrote: On Wed, 2008-05-07 at 12:00 -0500, Gregory P. Ennis wrote: Everyone, I have a new installation of Centos 5.1 that I am using on a gateway server that also has dhcp

RE: [CentOS] Port forwarding File ?

2008-05-06 Thread Ross S. W. Walker
Andrew @ ATM Logic wrote: Can someone tell me what, and where the file that contains the port forwarding info is on a standard install? I had a server fail, I have mounted the drive and need to get this info back. /etc/sysconfig/iptables and /etc/sysconfig/ip6tables -Ross

RE: [CentOS] I need storage server advice

2008-05-06 Thread Ross S. W. Walker
Ed Morrison wrote: Hi: I need advice on implementing a storage server. I really do not have the $ to spend for a Dell iSCSI storage divice and I am thinking trunning CentOS 5.x with ftp or FreeNAS. Here is what I am looking at and concerned about. Situation: My current storage

Re: [CentOS] I need storage server advice

2008-05-06 Thread Ross S. W. Walker
Take these benchmarks with a grain of salt. We don't know how these hardware controllers were setup and by the numbers posted, not very well, or they are not very good. A SATA and a SAS drive will have roughly the same sequential io performance. Where SAS shines is in random io. So if it's

Re: [CentOS] I need storage server advice

2008-05-06 Thread Ross S. W. Walker
was, acceptable performance can be had without purchasing a hardware controller. And for archival purposes on a tight budget $500 bucks means one controller for 3 more drives. On Tue, May 6, 2008 at 6:17 PM, John R Pierce [EMAIL PROTECTED] wrote: Ross S. W. Walker wrote

RE: [CentOS] ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
Monty Shinn wrote: Ross, We basically store video image sequences (edited and source) and audio/video files on our servers. We are an editing and broadcast design facility, doing mostly HD work. The files are relatively large, and there are a lot of them. I am trying to max out

RE: [CentOS] ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
Florin Andrei wrote: Ross S. W. Walker wrote: jfs is supposedly excellent if you have a lot of small files like a mail/news server Hm, last time I tested ReiseFS turned out to be the best FS for that situation. But it's been a while, perhaps things have changed a bit. Yeah

RE: [CentOS] Re: ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
Scott Silva wrote: on 5-5-2008 11:41 AM Ross S. W. Walker spake the following: Florin Andrei wrote: Ross S. W. Walker wrote: jfs is supposedly excellent if you have a lot of small files like a mail/news server Hm, last time I tested ReiseFS turned out to be the best FS

RE: [CentOS] Re: ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
Ross S. W. Walker wrote: Scott Silva wrote: on 5-5-2008 11:41 AM Ross S. W. Walker spake the following: Florin Andrei wrote: Ross S. W. Walker wrote: jfs is supposedly excellent if you have a lot of small files like a mail/news server Hm, last time I tested ReiseFS turned out

RE: [CentOS] Re: ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
Scott Silva wrote: on 5-5-2008 11:41 AM Ross S. W. Walker spake the following: Florin Andrei wrote: Ross S. W. Walker wrote: jfs is supposedly excellent if you have a lot of small files like a mail/news server Hm, last time I tested ReiseFS turned out to be the best FS

RE: [CentOS] OT- Re: ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
Scott Silva wrote: on 5-5-2008 2:31 PM Ross S. W. Walker spake the following: Scott Silva wrote: on 5-5-2008 11:41 AM Ross S. W. Walker spake the following: Florin Andrei wrote: Ross S. W. Walker wrote: jfs is supposedly excellent if you have a lot of small files like a mail/news

Re: [CentOS] OT- Re: ext3 filesystems larger than 8TB

2008-05-05 Thread Ross S. W. Walker
8TB Ross S. W. Walker wrote: No doubt! The worse part is I don't believe it was premeditated. I think she came over to drop off the kids and told him oh by the way I'm taking the children to live with me in Russia, at that point he went into a fit of anger and threw here against the pillar

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