Re: xfsdump INTERRUPT issue

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> Any reason for running a 32 bit kernel on this hardware and not a 64
> bit (x86_64) kernel?

Um... That was the .iso I downloaded.

> Other than that, I need to see the complete output of xfsdump up to
> the point it is apparently hanging. When you think it has hung, can
> you provide the output of `iostat -d -x -m 5` for a period of about
> a minute to see if there is disk IO taking place? it would also be
> handy to know if there is any cpu being used at the same time...
> 
> A snaphost of /proc/meminfo when you consider it hung would also be
> useful...

Ok, I'll give it a shot tomorrow :)

Best,
J.


on 12/18/12 4:44 PM, Dave Chinner at david@xxxxxxxxxxxxx wrote:

> On Tue, Dec 18, 2012 at 03:44:29PM -0500, J. Ellis wrote:
>> Since it's been a few days since my last post, I'm going to basically start
>> from scratch.
>> 
>> I'm running the following commands under Ubuntu 12.10:
>> 
>> mkdir /mnt/fp
>> mkdir /mnt/hr20
>> mount -t xfs -o rtdev=/dev/sda3 /dev/sda2 /mnt/fp
>> mount -t xfs -o rdev=/dev/sdb3 /dev/sdb2 /mnt/hr20
>> xfsdump -J - /mnt/hr20 | xfsrestore -J - /mnt/fp
>> 
>> When run, I get this as my output:
>> 
>> xfsdump: WARNING: write to stdio failed: 32 (Broken pipe)
>> xfsdump: ending media file
>> xfsdump: media file size 18874368 bytes
>> xfsdump: dump size (non-dir files) : 13698056 bytes
>> xfsdump: NOTE: dump interrupted: 16 seconds elapsed
>> xfsdump: Dump Status: INTERRUPT
>> 
>> This happens each time. In te forum where this copy procedure was
>> suggested, they've been reporting that the latest xfsprogs is creating these
>> errors, which didn't happen under at least somewhat earlier versions.
>> 
>> I tried dumping to a file and then restoring from the file to the fp volume
>> by using these commands:
>> 
>> mount -t xfs -o rtdev=/dev/sda3 /dev/sda2 /mnt/fp
>> mount -t xfs -o rtdev=/dev/sdb3 /dev/sdb2 /mnt/hr20
>> xfsdump -J -f /Desktop/xfsdump_hr20 /mnt/hr20
>> xfsrestore -J -f /Desktop/xfsdump_hr20 /mnt/p
>> 
>> When this is tried, the process starts, but never completes. After 4 hours
>> it reported 0.0% complete. So it was stopped.
> 
> What is the output?
> 
>> kernel version: Linux jeffrey 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19
>> 10:27:31 UTC 2012 i686 i686 i686 GNU/Linux
> 
> It's a 32 bit kernel. Interesting.
> 
>> xfsprogs version: xfs_repar version 3.1.8
>> 
>> number of CPU's: 8
> 
> SMP, and:
> 
>> contents of /proc/meminfo:
>> MemTotal:        6184324 kB
>> MemFree:         4986560 kB
> 
> PAE enabled, by the look of it.
> 
> Any reason for running a 32 bit kernel on this hardware and not a 64
> bit (x86_64) kernel?
> 
>> dmesg output
> ....
>> [  295.334213] SGI XFS with ACLs, security attributes, realtime, large
>> block/inode numbers, no debug enabled
>> [  295.389636] XFS (sda2): Mounting Filesystem
>> [  295.459074] XFS (sda2): Ending clean mount
>> [  299.575714] [Hardware Error]: Machine check events logged
> 
> There's something going wrong with your hardware, it appears. This
> may or may not be related to the xfsdump problem, but you should
> find out what these errors are.
> 
> Other than that, I need to see the complete output of xfsdump up to
> the point it is apparently hanging. When you think it has hung, can
> you provide the output of `iostat -d -x -m 5` for a period of about
> a minute to see if there is disk IO taking place? it would also be
> handy to know if there is any cpu being used at the same time...
> 
> A snaphost of /proc/meminfo when you consider it hung would also be
> useful...
> 
> Cheers,
> 
> Dave.


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