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Re: xfsrestore Does Only Only Partial Restore

To: xfs@xxxxxxxxxxx
Subject: Re: xfsrestore Does Only Only Partial Restore
From: Gim Leong Chin <chingimleong@xxxxxxxxxxxx>
Date: Sun, 28 Aug 2011 23:15:49 +0800 (SGT)
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Hi,

I just tried an older back up to test, and the restore is again partial, looks 
like I am screwed, only 44 GB of 113 GB got restored:

optimus:/mnt/rat # ll
total 345143448
-rw-r--r-- 1 root root         1085 Sep 19  2010 fstab
-rw-r--r-- 1 root root 103295383456 Jul 10 04:02 rat10July2011
-rw-r--r-- 1 root root 129677563808 Aug 18 14:41 rat18Aug2011
-rw-r--r-- 1 root root 120453920672 Jul 31 02:06 rat30July2011
optimus:/mnt/rat # xfsrestore -f ./rat30July2011  /tmp/mnt3
xfsrestore: using file dump (drive_simple) strategy
xfsrestore: version 3.0.1 (dump format 3.0) - Running single-threaded
xfsrestore: searching media for dump
xfsrestore: examining media file 0
xfsrestore: dump description: 
xfsrestore: hostname: rat
xfsrestore: mount point: /home
xfsrestore: volume: /dev/sdb3
xfsrestore: session time: Sun Jul 31 00:24:34 2011
xfsrestore: level: 0
xfsrestore: session label: "rat30July2011"
xfsrestore: media label: "rat30July2011"
xfsrestore: file system id: f3b08587-cf98-4b7b-99b0-dc9d4e77b631
xfsrestore: session id: 8c0a0114-dc68-4e10-a48f-106c4aceecc6
xfsrestore: media id: d8f1694a-b641-43bc-a7eb-5f86a2a84221
xfsrestore: searching media for directory dump
xfsrestore: reading directories
xfsrestore: 90681 directories and 539455 entries processed
xfsrestore: directory post-processing
xfsrestore: restoring non-directory files
xfsrestore: attempt to read 388926665 bytes failed: end of recorded data
xfsrestore: user quota information written to '/tmp/mnt3/xfsdump_quotas'
xfsrestore: group quota information written to '/tmp/mnt3/xfsdump_quotas_group'
xfsrestore: use 'xfs_quota' to restore quotas
xfsrestore: restore complete: 4235 seconds elapsed
xfsrestore: Restore Status: SUCCESS
optimus:/mnt/rat # df -h
Filesystem            Size  Used Avail Use% Mounted on
rootfs                101G   41G   60G  41% /
devtmpfs              998M  496K  997M   1% /dev
tmpfs                1004M  1.1M 1003M   1% /dev/shm
/dev/sda2             101G   41G   60G  41% /
/dev/sda3             824G  697G  127G  85% /home
/dev/sdb2              70G  5.8G   65G   9% /tmp/mnt2
/dev/sdb3             830G   44G  786G   6% /tmp/mnt3
/dev/sdc1             698G  504G  195G  73% /mnt
optimus:/mnt/rat # ll -h
total 330G
-rw-r--r-- 1 root root 1.1K Sep 19  2010 fstab
-rw-r--r-- 1 root root  97G Jul 10 04:02 rat10July2011
-rw-r--r-- 1 root root 121G Aug 18 14:41 rat18Aug2011
-rw-r--r-- 1 root root 113G Jul 31 02:06 rat30July2011
optimus:/mnt/rat #



--- On Sun, 28/8/11, Gim Leong Chin <chingimleong@xxxxxxxxxxxx> wrote:

> From: Gim Leong Chin <chingimleong@xxxxxxxxxxxx>
> Subject: xfsrestore Does Only Only Partial Restore
> To: xfs@xxxxxxxxxxx
> Date: Sunday, 28 August, 2011, 8:31 PM
> Hi,
> 
> This is the very first time I tried doing a xfsrestore of a
> back up and I hit some serious trouble.
> 
> I had openSUSE 11.1 (kernel 2.6.27) on my Acer
> notebook.  I did a xfsdump of /home to a WD My Passport
> external USB hard drive with XFS on it.
> 
> I installed openSUSE 11.4 (kernel 2.6.37), then tried to do
> xfsrestore from the WD USB drive.  The dump file is 121
> GB.
> 
> I tried two times on two different days, but each time the
> xfsrestore would stop writing at the exact same point, 49 GB
> and say success at the end.
> 
> I then copied the dump file to one hard drive on my desk
> top, and did a dump to another hard drive, to
> /tmp/mnt3.  I get back identical messages:
> 
> chingl@optimus:~> df
>   Filesystem       
>    1K-blocks      Used
> Available Use% Mounted on
>   rootfs           
>    104878048  42063828 
> 62814220  41% /
>   devtmpfs           
>    1021032   
>    480   1020552   1%
> /dev
>   tmpfs           
>       1027960     
> 1064   1026896   1% /dev/shm
>   /dev/sda2           
> 104878048  42063828  62814220  41% /
>   /dev/sda3           
> 863017248 730313100 132704148  85% /home
>   /dev/sdb2         
>    73363456   6071484 
> 67291972   9% /tmp/mnt2
>   /dev/sdb3           
> 869382652  50612736 818769916   6%
> /tmp/mnt3
>   chingl@optimus:~> df -h
>   Filesystem           
> Size  Used Avail Use% Mounted on
>   rootfs           
>    
> 101G   41G   60G  41% /
>   devtmpfs           
>   998M  480K  997M   1% /dev
>   tmpfs           
>     1004M  1.1M 1003M   1%
> /dev/shm
>   /dev/sda2         
>    101G   41G   60G 
> 41% /
>   /dev/sda3         
>    824G  697G  127G  85%
> /home
>   /dev/sdb2           
>   70G 
> 5.8G   65G   9% /tmp/mnt2
>   /dev/sdb3         
>    830G   49G 
> 781G   6% /tmp/mnt3
>   chingl@optimus:~> cd archive/rat
>   chingl@optimus:~/archive/rat> ll
>   total 126638256
>   -rw-r--r-- 1 chingl users 129677563808 Aug 18 14:41
> rat18Aug2011
>   chingl@optimus:~/archive/rat>
> {>
> (>optimus:~ # xfsrestore -f
> /home/chingl/archive/rat/rat18Aug2011 /tmp/mnt3
>   xfsrestore: using file dump (drive_simple) strategy
>   xfsrestore: version 3.0.1 (dump format 3.0) -
> Running single-threaded
>   xfsrestore: searching media for dump
>   xfsrestore: examining media file 0
>   xfsrestore: dump description:
>   xfsrestore: hostname: rat
>   xfsrestore: mount point: /home
>   xfsrestore: volume: /dev/sdb3
>   xfsrestore: session time: Thu Aug 18 12:57:36 2011
> 2>xfsrestore: level: 0
>   xfsrestore: session label: "rat_18Aug2011"
>   xfsrestore: media label: "rat18Aug2011"
>   xfsrestore: file system id:
> f3b08587-cf98-4b7b-99b0-dc9d4e77b631
>   xfsrestore: session id:
> d8069cd0-a092-4fb2-b378-0eda33474aae
>   xfsrestore: media id:
> 96370000-6e2c-40eb-9c3c-93ca42de7524
>   xfsrestore: searching media for directory dump
>   xfsrestore: reading directories
>   xfsrestore: 90820 directories and 539579 entries
> processed
>   xfsrestore: directory post-processing
> 1>xfsrestore: restoring non-directory files
> 9>xfsrestore: attempt to read 1008286921 bytes failed:
> end of recorded data
>   xfsrestore: user quota information written to
> '/tmp/mnt3/xfsdump_quotas'
> 7>xfsrestore: group quota information written to
> '/tmp/mnt3/xfsdump_quotas_group'
> 4>xfsrestore: use 'xfs_quota' to restore quotas
>   xfsrestore: restore complete: 2522 seconds elapsed
>   xfsrestore: Restore Status: SUCCESS
>   optimus:~ #
> 
> I downloaded xfsdump-3.0.5.tar.gz, did a build, and tried
> to do a restore using the newly built xfsrestore:
> 
> chingl@optimus:~/testdump> df -h
>   Filesystem           
> Size  Used Avail Use% Mounted on
>   rootfs           
>    
> 101G   41G   60G  41% /
>   devtmpfs           
>   998M  480K  997M   1% /dev
>   tmpfs           
>     1004M  1.1M 1003M   1%
> /dev/shm
>   /dev/sda2         
>    101G   41G   60G 
> 41% /
>   /dev/sda3         
>    824G  697G  127G  85%
> /home
>   /dev/sdb2           
>   70G 
> 5.8G   65G   9% /tmp/mnt2
>   /dev/sdb3         
>    830G   49G 
> 781G   6% /tmp/mnt3
>   chingl@optimus:~/testdump> df
>   Filesystem       
>    1K-blocks      Used
> Available Use% Mounted on
>   rootfs           
>    104878048  42063828 
> 62814220  41% /
>   devtmpfs           
>    1021032   
>    480   1020552   1%
> /dev
>   tmpfs           
>       1027960     
> 1064   1026896   1% /dev/shm
>   /dev/sda2           
> 104878048  42063828  62814220  41% /
>   /dev/sda3           
> 863017248 730313900 132703348  85% /home
>   /dev/sdb2         
>    73363456   6071484 
> 67291972   9% /tmp/mnt2
>   /dev/sdb3           
> 869382652  50612640 818770012   6%
> /tmp/mnt3
>   chingl@optimus:~/testdump>
>   
> {>
>   optimus:/home/chingl/archive/rat #
> /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore -f
> ./rat18Aug2011 /tmp/mnt3
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> using file dump (drive_simple) strategy
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> version 3.0.5 (dump format 3.0) - Running single-threaded
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> searching media for dump
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> examining media file 0
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> dump description:
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> hostname: rat
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> mount point: /home
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> volume: /dev/sdb3
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> session time: Thu Aug 18 12:57:36 2011
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> level: 0
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> session label: "rat_18Aug2011"
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> media label: "rat18Aug2011"
> 3>/home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> file system id: f3b08587-cf98-4b7b-99b0-dc9d4e77b631
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> session id: d8069cd0-a092-4fb2-b378-0eda33474aae
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> media id: 96370000-6e2c-40eb-9c3c-93ca42de7524
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> searching media for directory dump
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> reading directories
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> 90820 directories and 539579 entries processed
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> directory post-processing
>   /home/chingl/XFS/xfsdump-3.0.5/restore/xfsrestore:
> restoring non-directory files
>   xfsrestore: content.c:7510: restore_extent_group:
> Assertion `ehdr.eh_type == 4' failed.
> (>Aborted
> 2>optimus:/home/chingl/archive/rat #
> 
> 
> Could some one please assist to enlighten me what is going
> on, why does the restoration fail?  The xfsdump session
> looked OK.
> 
> Is there any way I can extract back my /home back up? 
> This is my only back up copy.  i have two other xfsdump
> dump files taken earlier, I have not tried those.
> 
> Is xfsdump and xfsrestore really robust for dump to regular
> file, or should I have done a tar instead?
> 
> Thank you.
> 
> GL
> 
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