[kwlug-disc] backups capped at 2 gigs

Bill Traynor wmat at naoi.ca
Mon Jul 12 21:50:59 EDT 2010


On 10-07-12 09:34 PM, Insurance Squared Inc. wrote:
> tar -czf $(date +%Y%m%d)webserver.tgz /backup2/webserver/
> mv $(date +%Y%m%d)webserver.tgz /backup3
> tar -czf $(date +%Y%m%d)glenn.tgz /backup2/desktop-glenn/
> mv $(date +%Y%m%d)glenn.tgz /backup3
> tar -czf $(date +%Y%m%d)barb.tgz /backup2/desktop-barb/
> mv $(date +%Y%m%d)barb.tgz /backup3
>
>
> That's run as root every night.  The end result should be about 35 
> gigs for deskstop-glenn, but it's ending up as about 2gigs, give or take.

Can you check the output of:
$crontab -l

as well as:
$sudo crontab -l

Also, shouldn't that script have a #!/bin/bash in it at the top?

>
> I think tonite I'll comment out the mv command, see what I get.
>
>
>
>
> On 12/07/10 09:08 PM, Bill Traynor wrote:
>> On 10-07-12 08:55 PM, Insurance Squared Inc. wrote:
>>> OK, now that's weird.  I just cut and pasted the commands from the 
>>> batch file to the command line and ran them directly.  Everything 
>>> worked.  I've got a 35gig file  on the destination drive, as 
>>> expected and hoped for.  Running it via the cron limits the file 
>>> size to about 2gigs.
>>
>> Can you post your script?  And is the script run as root or your user?
>>
>>>
>>> What the heck difference does it make going via cron vs. manual?  A 
>>> 2 gig limit there doesn't make any sense.  I must be missing something.
>>>
>>>
>>>
>>> On 12/07/10 07:30 PM, Khalid Baheyeldin wrote:
>>>> On Mon, Jul 12, 2010 at 7:24 PM, Insurance Squared Inc. 
>>>> <gcooke at insurancesquared.com <mailto:gcooke at insurancesquared.com>> 
>>>> wrote:
>>>>
>>>>     That command worked with no error.  (I didn't see the error
>>>>     message generated by tar because it's happening late at night.) 
>>>>
>>>>
>>>> Capture the output of tar to a file
>>>>
>>>> tar .... > /logfile.txt 2>&1
>>>>
>>>> This way you can see the error.
>>>>
>>>>     But I'm doing it manually right now - and it's already at
>>>>     15gigs.  So it's clearly NOT tar that's the problem.  It must
>>>>     be truncating after the tar happens.
>>>>
>>>>
>>>> Or it could be the user, or shell that does the backup that is limited.
>>>>
>>>> Or cron runs under another user ID or shell?
>>>>
>>>>     So that's narrowing it down to the mv command or the
>>>>     destination drive (once the files are zipped, I move them to
>>>>     another physical drive. 
>>>>
>>>>
>>>> It would be odd for a mv to just truncate.
>>>>
>>>> Again, capture the output from that command and see if there are 
>>>> errors.
>>>>
>>>>     That gives me archives by date).  I'm guessing that the
>>>>     filesystem type (linux native) is going to be the ultimate
>>>>     problem here.  I'm not sure why that drive is mounted as type
>>>>     linux native.  Something auto-generated I expect.  We'll see
>>>>     soon if that's the problem. 
>>>>
>>>>
>>>> Yeah, that is an odd file system type to have.
>>>>
>>>> We know it is ext2 or ext3, because the tune2fs command worked on it.
>>>>
>>>>     (sometimes the solutions just require a second set of eyes
>>>>     prodding at it).
>>>>
>>>>
>>>> Agreed.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>     On 12/07/10 07:06 PM, Khalid Baheyeldin wrote:
>>>>
>>>>         dd if=/dev/zero of=/somedir/somefile bs=1048576 count=2049
>>>>
>>>>     g
>>>>
>>>>
>>>>     _______________________________________________
>>>>     kwlug-disc_kwlug.org <http://kwlug-disc_kwlug.org> mailing list
>>>>     kwlug-disc_kwlug.org <http://kwlug-disc_kwlug.org>@kwlug.org
>>>>     <http://kwlug.org>
>>>>     http://astoria.ccjclearline.com/mailman/listinfo/kwlug-disc_kwlug.org
>>>>
>>>>
>>>>
>>>>
>>>> -- 
>>>> Khalid M. Baheyeldin
>>>> 2bits.com <http://2bits.com>, Inc.
>>>> http://2bits.com
>>>> Drupal optimization, development, customization and consulting.
>>>> Simplicity is prerequisite for reliability. --  Edsger W.Dijkstra
>>>> Simplicity is the ultimate sophistication. --   Leonardo da Vinci
>>>>
>>>>
>>>> _______________________________________________
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>>>>    
>>>
>>> -- 
>>> Glenn Cooke
>>> Insurance Squared Inc.
>>> (866) 779-1499
>>> www.insurancesquared.com
>>>
>>> Insurance Agent Discussion Forum:
>>> www.americaninsurancebroker.com
>>>
>>>    
>>>
>>>
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>>>    
>>
>>
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>>    
>
> -- 
> Glenn Cooke
> Insurance Squared Inc.
> (866) 779-1499
> www.insurancesquared.com
>
> Insurance Agent Discussion Forum:
> www.americaninsurancebroker.com
>
>    
>
>
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