Networker

Re: [Networker] Corrupt compressed (.bz2) file restores.

2008-01-27 09:46:31
Subject: Re: [Networker] Corrupt compressed (.bz2) file restores.
From: Vincent Lin <vlinx AT YAHOO DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Sun, 27 Jan 2008 06:34:08 -0800
Looks like it is more a storage sub-system problem with RHEL4 than a Networker 
problem.

----- Original Message ----
From: Adrian Saul <asaul AT HOME-BOX.ODS DOT ORG>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Sent: Friday, January 18, 2008 1:49:06 AM
Subject: Re: [Networker] Corrupt compressed (.bz2) file restores.


Are you sure its not what you are restoring to that is the problem?

Does it make a difference if you say restore them to /tmp or a non-CX
 disk?

Randy Doering wrote:
> Greetings, Have an interesting (if somewhat rather bizarre) issue.
> 
> Environment: RHEL 4.*, Networker Server 7.3.3. File system sets on a 
> Celerra/Clariion (CX700) combo.
> 
> User lets me know that he accidently partially deleted a subdirectly 
> containing many files. Not all of the files were deleted but that's
 not 
> relevent to this. I copied his old directory to a directoryname.orig.
 And 
> just restored the whole thing again, rather than trying to figure out
 what 
> had actually been deleted.
> 
> The user came back a day (or so) later and gave me a list of 
> 553 "blast.bz2" files that were corrupted after my restore. In
 digging 
> into this and using bunzip2, I saw where some were indeed corrupt.
 And, I 
> could do some selective restores of a few and saw where they were not
 
> corrupt.
> 
> How this has to do with Network, is that say I have a list of 100 of
 these 
> blast.bz2 files. I would put those in a file and have Networker do
 the 
> restore. When the restore finished, I would then do bunzip2 on each
 one, 
> and maybe 40-50 of 100 would be fine, while 50-60 would be corrupt. I
 then 
> would take the remaining that were corrupt, but them through recover 
> again, and then time maybe another 20-30 would be fine, etc. I would
 do 
> this until I got down to a single corrupted blast.bz2 file and then I
 
> would be fine after another recover.
> 
> All of the data is being restored from the same exact SSID.
> 
> So why wouldn't the good files be restored the first time I tried it?
> 
> We've check for errors in the file system, and haven't found anything
 yet.
> 
> Thanks,
> 
> Randy
> 
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