Yes, I did move the directories, but it was immediately after install and
before I had performed any of the other setup steps.
I guess from the question that that was a mistake.
So how do I fix it?
On Wed, 11 Mar 2009 19:55:24 +0000
backuppc-users-request AT lists.sourceforge DOT net wrote:
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> Today's Topics:
>
> 1. Re: Resuming backup after losing connection to client
> (Adam Goryachev)
> 2. Re: Resuming backup after losing connection to client
> (Christian G. von Busse)
> 3. Re: Resuming backup after losing connection to client
> (Adam Goryachev)
> 4. My cpool and pool dirs are empty (Wayne L Andersen)
> 5. Re: My cpool and pool dirs are empty (Les Mikesell)
> 6. Re: Backup faiures, how to troublehoot (Andrew Libby)
> 7. Re: Backup faiures, how to troublehoot (Les Mikesell)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 11 Mar 2009 17:08:04 +1100
>From: Adam Goryachev <mailinglists AT websitemanagers.com DOT au>
> Subject: Re: [BackupPC-users] Resuming backup after losing
>connection
> to client
> To: "General list for user discussion, questions and support"
> <backuppc-users AT lists.sourceforge DOT net>
> Message-ID: <49B75544.1020002 AT websitemanagers.com DOT au>
> Content-Type: text/plain; charset=ISO-8859-1
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Christian G. von Busse wrote:
>>> Just go to the home page for that computer and hit "start full
>>> backup" and off it should go...
>>
>> But there is no way to have backuppc do this automatically if the
>> backup terminated because the network connection was lost? I had
>> hoped that backuppc could run unattended.
>>
>> The log looks like this:
>>
>> [full backup running] [here the network connection was lost:]
>> 2009-03-10 03:05:23 Backup failed on server1 (Child exited
>> prematurely) 2009-03-10 03:05:23 Running BackupPC_link server1
>> (pid=13284) 2009-03-10 03:06:03 Finished server1 (BackupPC_link
>> server1) 2009-03-10 04:00:00 Next wakeup is 2009-03-10 05:00:00
>> 2009-03-10 04:00:02 Started full backup on server1 (pid=14953,
>> share=Backup) 2009-03-10 04:08:09 Backup failed on server1 (Child
>> exited prematurely) 2009-03-10 05:00:00 Next wakeup is 2009-03-10
>> 06:00:00 2009-03-10 05:00:02 Started full backup on server1
>> (pid=17309, share=Backup) 2009-03-10 05:08:52 Backup failed on
>> server1 (Child exited prematurely) 2009-03-10 06:00:00 Next wakeup
>> is 2009-03-10 07:00:00 2009-03-10 06:00:03 Started full backup on
>> server1 (pid=28117, share=Backup) 2009-03-10 06:08:22 Backup failed
>> on server1 (Child exited prematurely) 2009-03-10 07:00:00 Next
>> wakeup is 2009-03-10 08:00:00 2009-03-10 07:00:02 Started full
>> backup on server1 (pid=29979, share=Backup) 2009-03-10 07:08:33
>> Backup failed on server1 (Child exited prematurely)
>>
>> As you can see, after the network connection was lost, full backup
>> was not resumed automatically with the error "Child exited
>> prematurely".
> Actually, you can see that backuppc has restarted the backup
> automatically every hour which is the default wakeupschedule.
> You could set the schedule to run every 10 minutes, which means
>within
> 10mins of the failure backuppc will retry. Of course, if backuppc
> isn't actually making any progress, then it will never complete a
> successful backup....
>
> Regards,
> Adam
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> =m2le
> -----END PGP SIGNATURE-----
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>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 11 Mar 2009 07:19:44 +0100 (CET)
>From: "Christian G. von Busse" <CvB AT kruemel DOT org>
> Subject: Re: [BackupPC-users] Resuming backup after losing
>connection
> to client
> To: "General list for user discussion, questions and support"
> <backuppc-users AT lists.sourceforge DOT net>
> Message-ID: <3877.192.168.1.150.1236752384.squirrel AT www.kruemel DOT org>
> Content-Type: text/plain;charset=iso-8859-1
>
>
>>> That's good to know, thanks. So the question is (only), how do I
>>>tell
>>> backuppc to immediately start a new/queue (full or partial) backup,
>>>if
>>> the prior one was terminated accidentally/abnormally.
>>> Backkuppc did not start the full backup here again, yet - although
>>>there
>>> was no blackout period and wake up points..
>> Check your wakeupschedule, backuppc will only re-start or consider
>> trying to do a needed backup once at each wakeupschedule.
>
> If I understand the log correctly which I just posted to this list,
> backuppc did wake up again, but always terminated with some kind of
>error
> Backup failed on server1 (Child exited prematurely)...
>
> Christian
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Wed, 11 Mar 2009 22:52:08 +1100
>From: Adam Goryachev <mailinglists AT websitemanagers.com DOT au>
> Subject: Re: [BackupPC-users] Resuming backup after losing
>connection
> to client
> To: "General list for user discussion, questions and support"
> <backuppc-users AT lists.sourceforge DOT net>
> Message-ID: <49B7A5E8.4060502 AT websitemanagers.com DOT au>
> Content-Type: text/plain; charset=ISO-8859-1
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Christian G. von Busse wrote:
>>>> That's good to know, thanks. So the question is (only), how do I
>>>>tell
>>>> backuppc to immediately start a new/queue (full or partial) backup,
>>>>if
>>>> the prior one was terminated accidentally/abnormally.
>>>> Backkuppc did not start the full backup here again, yet - although
>>>>there
>>>> was no blackout period and wake up points..
>>> Check your wakeupschedule, backuppc will only re-start or consider
>>> trying to do a needed backup once at each wakeupschedule.
>>
>> If I understand the log correctly which I just posted to this list,
>> backuppc did wake up again, but always terminated with some kind of
>>error
>> Backup failed on server1 (Child exited prematurely)...
>
> Correct, the backup process was terminated due to "Child exited
> prematurely" every time backuppc attempted to do the backup. You
>should
> look at the host Log file for details of what happened during each
> backup attempt. Possibly none of the backups even started due to
>some
> error, possibly each backup ran for some period of time and
>transferred
> some data before failing. We don't know from the limited information
>you
> have provided.
>
> Perhaps you should try the following:
> 1) login to the backuppc server
> 2) su - backuppc (or whatever your backuppc user is)
> 3) /path/to/backuppc/bin/BackupPC_dump -v -f server1 (or whatever
>the
> name of your server is)
>
> This will show you exactly what is happening when backuppc attempts
>to
> do a backup.
>
> You should probably tell the backuppc web interface to not run any
> backups for this host for a couple of hours before you do the above,
>as
> I've noticed (at least on the older 2.1 version) that backuppc will
> launch a new backup while the command line backup is running, and
>they
> will "step on each others toes" as far as both writing to the same
> filenames etc...
>
> Regards,
> Adam
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> =yHES
> -----END PGP SIGNATURE-----
>
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 11 Mar 2009 11:33:50 -0600
>From: "Wayne L Andersen" <waynea AT clima-tech DOT com>
> Subject: [BackupPC-users] My cpool and pool dirs are empty
> To: backuppc-users AT lists.sourceforge DOT net
> Message-ID: <ximss-3949748 AT clima-tech DOT com>
> Content-Type: text/plain;charset="utf-8"; format="flowed"
>
> There must be something wrong with my installation, I am assuming
>the
> required hard links did not get created correctly.
>
> My backups and restores work great but the pooling is not
>functioning, my
> status page has these lines in the summary at the top.
>
> Pool is 0.00GB comprising 0 files and 1 directories (as of 3/11
>01:00),
> Pool hashing gives 0 repeated files with longest chain 0,
> Nightly cleanup removed 0 files of size 0.00GB (around 3/11 01:00),
> Pool file system was recently at 46% (3/11 11:21), today's max is
>46% (3/11
> 01:00) and yesterday's max was 46%.
>
>
>
> ------------------------------
>
> Message: 5
> Date: Wed, 11 Mar 2009 13:45:10 -0500
>From: Les Mikesell <les AT futuresource DOT com>
> Subject: Re: [BackupPC-users] My cpool and pool dirs are empty
> To: "General list for user discussion, questions and support"
> <backuppc-users AT lists.sourceforge DOT net>
> Message-ID: <49B806B6.1000807 AT futuresource DOT com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Wayne L Andersen wrote:
>> There must be something wrong with my installation, I am assuming
>>the
>> required hard links did not get created correctly.
>>
>> My backups and restores work great but the pooling is not
>>functioning, my
>> status page has these lines in the summary at the top.
>>
>> Pool is 0.00GB comprising 0 files and 1 directories (as of 3/11
>>01:00),
>> Pool hashing gives 0 repeated files with longest chain 0,
>> Nightly cleanup removed 0 files of size 0.00GB (around 3/11 01:00),
>> Pool file system was recently at 46% (3/11 11:21), today's max is
>>46% (3/11
>> 01:00) and yesterday's max was 46%.
>
> Did you change the archive location after installing? Is everything
>on
> the same filesystem? Does the backuppc user have write access to
> pool/cpool?
>
> --
> Les Mikesell
> lesmikesell AT gmail DOT com
>
>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Wed, 11 Mar 2009 15:15:01 -0400
>From: Andrew Libby <alibby AT xforty DOT com>
> Subject: Re: [BackupPC-users] Backup faiures, how to troublehoot
> To: "General list for user discussion, questions and support"
> <backuppc-users AT lists.sourceforge DOT net>
> Message-ID: <49B80DB5.2020803 AT xforty DOT com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Andrew Libby wrote:
>> Les Mikesell wrote:
>>> Andrew Libby wrote:
>>>>> There are a lot of files on the system, and backups take
>>>> quite a while so I upped the timeout to 40 hrs, but
>>>> backups seem to be failing now in under 20 hrs when they
>>>> were failing at the 20 hr mark.
>>>>
>>>> Any hints or suggestions are greatly apprecaiated. Other
>>>> info that might be helpful:
>>>>
>>>> Both client and server are ubuntu 8.04.
>>>> Transport is rsync. Client has about 6.5 million files.
>>> One possibility is a corrupted file system. Have you done an fsck
>>> recently? That's also a lot of files to process in one run. Rsync
>>> loads the whole directory tree in RAM and becomes extremely slow if
>>>you
>>> go into swap.
>>>
>>
>> Hi Les,
>>
>> So we calculated it and the ram comes to under a gig. We've
>> got 4G of ram. The system does not seem to swap when
>> processing a backup. fsck also seems to be in good standing.
>>
>> Thanks for the suggestions,
>>
>> Andy
>
> Okay, so I've got some more information. Seems that the
> log in /var/lib/backuppc/log called LOG has
>
> 2009-03-11 10:12:23 shyamalan: Out of memory!
> 2009-03-11 10:12:35 Backup failed on shyamalan (Child exited
> prematurely)
>
>
> I thought out of memory errors were to happen on the client,
> rather than the server. I don't know why I would think that
> though.
>
> The server here has 4G, and as I said, the ram required for
> the 6M files should be under a gig 6512257 * 100 == 621M
> unless my math stinks (and it frequently does).
>
> My sar stats clearly show the backuppc server running out
> of memory, but swap utilization remains low.
>
> Thanks for any further insight.
>
> Andy
>
>
>
> ------------------------------
>
> Message: 7
> Date: Wed, 11 Mar 2009 14:55:07 -0500
>From: Les Mikesell <lesmikesell AT gmail DOT com>
> Subject: Re: [BackupPC-users] Backup faiures, how to troublehoot
> To: "General list for user discussion, questions and support"
> <backuppc-users AT lists.sourceforge DOT net>
> Message-ID: <49B8171B.2000501 AT gmail DOT com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Andrew Libby wrote:
>>
>>>
>>> So we calculated it and the ram comes to under a gig. We've
>>> got 4G of ram. The system does not seem to swap when
>>> processing a backup. fsck also seems to be in good standing.
>>>
>>> Thanks for the suggestions,
>>>
>>> Andy
>>
>> Okay, so I've got some more information. Seems that the
>> log in /var/lib/backuppc/log called LOG has
>>
>> 2009-03-11 10:12:23 shyamalan: Out of memory!
>> 2009-03-11 10:12:35 Backup failed on shyamalan (Child exited
>> prematurely)
>>
>>
>> I thought out of memory errors were to happen on the client,
>> rather than the server. I don't know why I would think that
>> though.
>
> The client sends the directory list to the server, then the server
>walks
> though it comparing against the previous full.
>
>> The server here has 4G, and as I said, the ram required for
>> the 6M files should be under a gig 6512257 * 100 == 621M
>> unless my math stinks (and it frequently does).
>
> Where did you find the '100' factor? I'd have guessed bigger - and
>I
> think some versions of 64 bit perl have bugs that make it consume
>more
> memory. It might work better to stay 32-bit on a 4 gig machine - or
>add
> more RAM if you are 64-bit.
>
>> My sar stats clearly show the backuppc server running out
>> of memory, but swap utilization remains low.
>
> Sar takes snapshots at 10 minute intervals - you might easily miss
> peaks. If you are running more than one backup concurrently it
>might
> help to cut back.
>
> --
> Les Mikesell
> lesmikesell AT gmail DOT com
>
>
>
>
>
> ------------------------------
>
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> End of BackupPC-users Digest, Vol 35, Issue 13
> **********************************************
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System Administrator
Clima-Tech Corporation
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