[kwlug-disc] backups capped at 2 gigs

Bill Traynor wmat at naoi.ca
Mon Jul 12 21:08:00 EDT 2010


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
>>
>>
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>>
>>
>>
>>
>> -- 
>> Khalid M. Baheyeldin
>> 2bits.com <http://2bits.com>, Inc.
>> http://2bits.com
>> Drupal optimization, development, customization and consulting.
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>> 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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