very much appreciated,
How have you configured it to back up and restore localhost? If it
isn't using the stock commands over ssh, you may have gotten something
wrong in the layers of shell quote escaping and the restore command is
being interpreted incorrectly.
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not be a good thing.
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thought this was an effect of a restore gone wrong, not a cause.
Was it broken before the restore?
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This white
/home.
I was running backuppc with defaults, just enter paths and backup
scheme.
Which backup scheme?
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questions as I am learning this system.
If the target has a static IP, uncheck the dhcp box. If your DNS
won't resolve the name, in the per-host config under Backup_Settings,
put the IP address in ClientNameAlias.
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on the WAN side,
which is all BPC sees), all with the same FQDN in BPC's host list, but with
different rsynd client ports.
In the per-host configs, set ClientAliasName to the router IP for
each target behind it. And set RsyncdClientPort to the port
forwarded to that target.
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approach is to
mount your archive in the expected location or symlink it so it
appears there. A less likely cause is that you have used a filesystem
that doesn't support hardlinks (like vfat).
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partition as
/var/lib/backuppc or put a symlink there before installing the
package. That way doesn't require any program changes.
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substituting paths into the code so
it wasn't a runtime evaluation everywhere.
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unless the file is new/changed. The tool
here might do it:
http://sourceforge.net/apps/mediawiki/backuppc/index.php?title=BackupPC_FixLinks
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what it
has blocked?
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server.
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returned first in the list from nmblookup
before the group name. I don't know if that is confusing backuppc or
not (or how you would change it...), but if you always have the same
IP you should be able to uncheck the dhcp option and use DNS or add
the IP in ClientNameAlias.
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.
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.
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bytes
Got fatal error during xfer (Child exited prematurely)
Backup aborted (Child exited prematurely)
If SELinux is enabled, look in /var/log/audit/audit.log to see if it
is blocking access.
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options I modified, e.g., --one-file-system, seem to be as expected.
What's the point? If you are running rsync over ssh and only want
one directory, just specify that as the RsyncShareName.
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by the initiating instance to
start the corresponding version on the other system.
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duplication across machines, or directories where only
a few files change per run.
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for that user, or
following an alias or forwarding directive for that user if he prefers
it to be delivered elsewhere.
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storage
I'll have that's big enough to take anything.
Big disks are cheap these days. Or use one part of the NFS share for
backuppc, another for what you send to tape.
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of
failure of the whole set.
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___
BackupPC
it instead of fighting with ssh issues.
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openvpn over UDP there's not much overhead.
In fact if you enable lzo compression it is probably an overall win.
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http
the location of TopDir. Versions earlier than 3.2 can't change
this after initial installation (which has already been done in the
.deb or .rpm versions packaged for distributions). You need to mount
the replacement partition in the old location or symlink it there.
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if the ssh connection attempt actually fails.
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the issue. But perhaps that's not what you meant.
No, see $conf{PingPath} in the docs. If you use something that always
succeeds like /bin/echo, it won't matter if a ping works or not.
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over 2 TB of hard drive space.
Yes, you are out of RAM (and swap), but perhaps other processes are
using it. Run 'top' and look for big numbers in the virt, res, and
%mem columns.
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happens if you run that command manually as the backuppc user?
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large number of files, because
the complete directory listing is sent first and held in memory as the
files are checked. You might want to set $Conf{MaxBackups} to 1 if
it isn't already to limit concurrent runs.
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On Wed, Nov 2, 2011 at 9:55 AM, Joe Konecny jkone...@rmtohio.com wrote:
On 11/2/2011 10:47 AM, Les Mikesell wrote:
On Wed, Nov 2, 2011 at 9:21 AM, Joe Konecnyjkone...@rmtohio.com wrote:
On 11/2/2011 10:07 AM, Steve wrote:
I've accidentally changed universal backup settings instead
. Looks
like /root is writable by someone else.
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... for some reason...
dr-xr-xr-x 5 400 401 4096 2011-11-02 11:25 root
Should be root root, not 400 401.Unless you can find out why that
happened, it might be a good idea to not trust anything on that
machine...
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netbios
name - or was it when you booted the VM? Netbios doesn't allow
duplicate names on the network.
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this works with the same packages on Centos 6.x but not
RHEL? Or why the RHEL yum wasn't resolving the dependencies itself in
the first place? If it is just a yum issue, downloading the rpm and
installing with rpm -i or -U should work now that the dependent
packages are there.
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manage the subsequent
rsync runs.
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allow external kernel modules.
Does anyone consider Fedora usable over the lifespan that you would
want for backup data?
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run will
transfer all the changes separately for each host even though they end
up pooled after the copy.
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might attempt it.
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Take
the RHEL yum setup is different. Can you 'yum
install' each of those required packages (enclose the names in single
quotes, or change the style to look like perl-File-RsyncP)?
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to do something else to get it back
out again.
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for disk backup.
You can use the 'archive host' configuration to set up tape output
that you can control from the web interface or just use the command
line backuppc_tarCreate tool to generate a tar archive of the backup
you want to send to tape.
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or the
command line it is probably easier to just use the backuppc_tarCreate
program directly.
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All the data continuously generated in your IT infrastructure contains
it compresses data and uses hardlinks to
pool all files with matching content so it might not be particularly
expensive to just let it store a history of everything for a fixed
amount of time.
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including their web
content directory and forgot to mention the 40Gb of log files that happened
to be there.
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.
With compressible data you increase both capacity and reliability by
compressing before storage. There's no magical difference between the
reliability of 'cat' vs 'zcat'. Either one could fail.
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, but throw in the fact that it may take some unpredictable amount
of time after the 'trouble' (which could have been accidentally
deleting a rarely used file) before anyone notices and you see why you
need some history available to restore from the version just before
the trouble.
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is pretty hard to do anyway, but most other file types
won't have much chance of working.
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through the live one in the unlikely scenario that the filesystem fails.
Plus, it covers the case of a building disaster with one of the copies
offsite.
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All of the data
I've always just done a full install of Cygwin where I needed it, but
now I'm looking for an installer package that would be easier for
others to use. Is there anything like cwrsync that also includes
sshd?
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the relink
step - and probably still have some things that aren't pooled across
those hosts.
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already exist on multiple drives
before you notice them. For software raid, I thought a cron job was
supposed to be testing them periodically, but the notification may not
reach you - and hardware raid may not to the tests.
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need to traverse
them, which you usually don't. Having related directories/inodes/file
blocks near each other would help speed-wise but it's not clear how a
different de-dup method would improve that.
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posted to the mail list.
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the information for this host doesn't get updated.
is there a possibility to update the info for the archive_host, so that you
can see if the last archive backup was successful for all hosts?
Not sure what you need to do to avoid contention on that kind of change.
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script? I think the
'archive host' concept just exists to give a web link you can click.
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All the data continuously generated in your IT infrastructure contains a
definitive
summary page and glance down the 'Last Backup' column to know how
things are working. If you normally read email from a client with
network access to the server that knows how to follow links, just mail
yourself a link to the action=summary page daily as a reminder.
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Does anyone have a good estimate of the performance hit from running
backuppc in a VM under VMware ESXi with nothing else sharing the
physical disks for the archive? And are there any tuning tricks to
optimize the partition alignment, etc.?
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, the space
won't be released. Your status page should have a line showing
Nightly cleanup removed with the time of the last run.
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, this
is not the same problem that unison solves.
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services like Iron Mountain that will physically transport tapes to
offsite storage.
Are these ideas way off track? Do they fit into the perspective of BackupPC?
They don't mesh very well with the pooling concepts and you end up
with a complex scheme with lots of potential failure points.
--
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is still around, but it is at least as much of a toolkit
that needs programming to match local needs as you would have
connecting a few different applications yourself.
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Why
to keep a history.
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the following the kernal logs:
Sep 7 03:14:13 backup kernel: [57960.076042] INFO: task kjournald:384
blocked for more than 120 seconds.
What's the underlying physical disk look like? Could you have
fragmented the VM image in the upgrade process?
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change as part of the upgrade? If the
partitions are mapped straight from the host, I wouldn't expect them
to, but something seems to have made writing very slow. Or perhaps
you have concurrent activity on a different VM or application that
competes with the physical disk head location.
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are in the package management
tools and administration style and it doesn't make sense to learn/test
the wrong one.
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--list backuppc # to see where all the files go
rpm -q --scripts # view the install scripts
rpm -V backuppc # see what has changed since install
etc. I'm sure debian/ubuntu has the equivalent or better, but I
don't know them.
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as owned by user backuppc and group www-data.
The ubuntu package should have set everything up correctly. You
didn't change TOPDIR or mount something underneath it after the
install, did you?
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you can't do backups while the new member is syncing because the disk
is too busy. Others are doing something similar with LVM snapshots.
If you have good network bandwidth you can also simply run another
independent instance elsewhere hitting the same targets.
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is already done in the
deb and rpm packaged versions. Usually if you get these wrong, you
get an error when starting the service about not being able to make a
hard link so I'm not quite sure what is happening.
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mount the partition as /var/lib/backuppc and if
you want it to be self-contained, symlink other stuff there?
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.
Does the drive in question have a filesystem that handles hard links?
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Finally, a world-class log management solution
on debian/ubuntu) needs read access to some of it.
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problem, but I still don't know why. If you get that far it should
work or tell you why in the logs.
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On Fri, Sep 2, 2011 at 5:57 PM, Timothy Murphy gayle...@eircom.net wrote:
Can one sensibly back up / with BackupPC?
Sure, but if you don't use --one-file-system in the options, be sure
to exclude the pseudo mounts like /proc, /sys (and maybe /dev,
depending on the version).
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with it.
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it.
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the output of a BackupPC_tarCreate to the input of a tar extract, and
you can use ssh to make it happen on a different host, but I don't see
the pipe setup in your shell command.
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login shell and ssh-agent is subsequently supplying it when you test manually.
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as shown in the logs with the
--server and --sender args removed (interrupt if it starts, but maybe you will
see a better error message).
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for you - and the ssh keys must be correct for it.
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interface, but with tar I would put it before the --totals in TarClientCmd.
Don't forget to add every mounted filesystem's mount point as a separate
TarShareName if you do this. And remember to keep it up to date if you
change things.
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, which almost
always
means that your ssh keys aren't right for passwordless access. Another common
issue is having something that prints text before the program starts but that
usually causes a different error.
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argument was passed.
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On 8/12/2011 1:18 PM, Joe Konecny wrote:
On 8/12/2011 2:11 PM, Les Mikesell wrote:
On 8/12/2011 12:56 PM, Joe Konecny wrote:
Joe Konecny wrote on 2011-08-12 12:33:54 -0400 [[BackupPC-users] Tar
exited with error 512 () status]:
I am having trouble making my backup work. I have been running
On 8/12/2011 1:36 PM, Joe Konecny wrote:
On 8/12/2011 2:31 PM, Les Mikesell wrote:
Posting the BackupFilesExclude setting for the host in question would
be a good starting point... The usual place to go
wrong is not having the share name or '*' on the left side of the '='.
$Conf
On 8/12/2011 1:55 PM, Joe Konecny wrote:
On 8/12/2011 2:44 PM, Les Mikesell wrote:
On 8/12/2011 1:36 PM, Joe Konecny wrote:
On 8/12/2011 2:31 PM, Les Mikesell wrote:
Posting the BackupFilesExclude setting for the host in question would
be a good starting point... The usual place to go
wrong
On 8/12/2011 2:30 PM, Joe Konecny wrote:
On 8/12/2011 3:13 PM, Les Mikesell wrote:
Well I'm confused. I'm looking at the docs. It shows...
$Conf{BackupFilesExclude} = '/temp';
...for an example. So I assume I need...
$Conf{BackupFilesExclude} = '/mnt/usb';
Do I need to manually edit
are reasonably small you
might be able to do it with a virtual machine running one or both.
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sure you are running as the same user as backuppc on the server side
and
connecting as root on the target?
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to backuppc itself, but deals with a sort of filesystems incompatibility.
[Idea]
[Question] And finally, the only question that lasts is : how can i increase
the number of subdirectories tolerated by ext3 ? [Question]
I don't think it is possible to change in ext3.
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On 8/8/11 1:41 AM, jiahwei wrote:
I tried setting up the rsync. But I didn't see that /etc/services/init.d has
the rsync services.
The rsync method runs over ssh. Rsyncd expects a standalone rsync in daemon
mode at the other end.
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and not really necessary
for backup functionality. You could probably just disable it in the
code somewhere.
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backuppc
htpasswd: cannot create file /var/lib/backuppc/passwd/htpasswd
seems i can`t set a password for the backuppc user to allow me to log in to
the GUI
Any Comments ?
Does that directory exist?
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it was just supposed add an
entry like a hash collision and go on.
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On 8/8/2011 5:33 PM, Jeffrey J. Kosowsky wrote:
Les Mikesell wrote at about 16:59:45 -0500 on Monday, August 8, 2011:
On 8/8/2011 3:28 PM, Jeffrey J. Kosowsky wrote:
FYI, On 32-bit Fedora 12/Linux 2.6.32:
Ext2/3: MAX=32000
Ext4: MAX=65000
.
I also did configure the flag as '1' under the file hosts for dhcp
If dns works, set the dhcp flag to 0. Nmblookup will only work on a linux
target if you are running samba and have the appropriate ports open in the
firewall.
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