[Gluster-users] Missing files after add new bricks and remove old ones - how to restore files

Marco Lorenzo Crociani marcoc at prismatelecomtesting.com
Fri Oct 30 16:51:28 UTC 2015


Hi Susant,
here the stats:

[root at s20 brick1]# stat .* *
   File: `.'
   Size: 78            Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 2481712637  Links: 7
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-30 15:26:57.565475699 +0100
Modify: 2015-08-04 12:30:56.604846056 +0200
Change: 2015-10-27 14:21:12.981420157 +0100
   File: `..'
   Size: 50            Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 495824      Links: 6
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-27 11:27:36.956230769 +0100
Modify: 2015-08-04 11:25:27.893410342 +0200
Change: 2015-08-04 11:25:27.893410342 +0200
   File: `.glusterfs'
   Size: 8192          Blocks: 24         IO Block: 4096 directory
Device: 811h/2065d    Inode: 2481712643  Links: 261
Access: (0600/drw-------)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-30 15:31:14.988775452 +0100
Modify: 2015-08-04 12:31:40.803715075 +0200
Change: 2015-08-04 12:31:40.803715075 +0200
   File: `.trashcan'
   Size: 24            Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 495865      Links: 3
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 18:32:17.369070847 +0100
Modify: 2015-08-04 11:36:11.357529000 +0200
Change: 2015-10-26 18:32:17.368070850 +0100
   File: `lost+found'
   Size: 6             Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 2481712624  Links: 2
Access: (0700/drwx------)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 18:55:08.274323554 +0100
Modify: 2014-01-18 21:48:37.000000000 +0100
Change: 2015-10-26 18:55:08.259323594 +0100
   File: `rh'
   Size: 6             Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 495961      Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 14:02:02.294771698 +0100
Modify: 2015-03-26 13:22:19.000000000 +0100
Change: 2015-10-26 18:32:17.384070805 +0100
   File: `zimbra'
   Size: 4096          Blocks: 8          IO Block: 4096 directory
Device: 811h/2065d    Inode: 495969      Links: 50
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-30 15:27:44.899346957 +0100
Modify: 2015-10-26 18:32:17.733069841 +0100
Change: 2015-10-26 18:32:17.733069841 +0100



[root at s21 brick2]#  stat .* *
   File: `.'
   Size: 78            Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 501309      Links: 7
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-30 17:45:23.983929018 +0100
Modify: 2015-08-04 12:30:56.602392330 +0200
Change: 2015-10-26 18:32:17.327779305 +0100
   File: `..'
   Size: 50            Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 2484780736  Links: 6
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-30 17:45:20.800922878 +0100
Modify: 2015-08-04 11:25:27.942732803 +0200
Change: 2015-08-04 11:25:27.942732803 +0200
   File: `.glusterfs'
   Size: 8192          Blocks: 24         IO Block: 4096 directory
Device: 811h/2065d    Inode: 501323      Links: 261
Access: (0600/drw-------)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-08-04 11:36:13.776967886 +0200
Modify: 2015-08-04 12:31:40.801477366 +0200
Change: 2015-08-04 12:31:40.801477366 +0200
   File: `.trashcan'
   Size: 24            Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 2484780773  Links: 3
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 18:32:17.324779299 +0100
Modify: 2015-08-04 11:36:11.357529000 +0200
Change: 2015-10-26 18:32:17.368779386 +0100
   File: `lost+found'
   Size: 6             Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 501268      Links: 2
Access: (0700/drwx------)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 18:32:17.371779392 +0100
Modify: 2014-01-18 21:48:37.000000000 +0100
Change: 2015-10-26 18:55:08.260516194 +0100
   File: `rh'
   Size: 6             Blocks: 0          IO Block: 4096 directory
Device: 811h/2065d    Inode: 2484780842  Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 18:32:17.386779422 +0100
Modify: 2015-03-26 13:22:19.000000000 +0100
Change: 2015-10-26 18:32:17.384779418 +0100
   File: `zimbra'
   Size: 4096          Blocks: 8          IO Block: 4096 directory
Device: 811h/2065d    Inode: 2484780856  Links: 50
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 18:34:10.300004939 +0100
Modify: 2015-10-26 18:32:17.733780116 +0100
Change: 2015-10-26 18:32:17.733780116 +0100






[root at s20 brick1]# stat zimbra/jdk-1.7.0_45/db/bin/*
   File: `zimbra/jdk-1.7.0_45/db/bin/dblook'
   Size: 5740          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509260      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.509803807 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.510803804 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/derby_common.bat'
   Size: 2426          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509263      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.510803804 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.511803801 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/ij'
   Size: 5876          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509264      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.512803798 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.512803798 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/NetworkServerControl'
   Size: 5801          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509257      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.507803811 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.508803809 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/setEmbeddedCP.bat'
   Size: 1278          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509269      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.513803795 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.514803792 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/setNetworkClientCP.bat'
   Size: 1284          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509272      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.514803792 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.515803790 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/setNetworkServerCP'
   Size: 1075          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509273      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.516803788 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.517803786 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/startNetworkServer'
   Size: 5807          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509276      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.517803786 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.518803783 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/startNetworkServer.bat'
   Size: 1397          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509278      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.519803780 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.520803777 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/sysinfo.bat'
   Size: 1389          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 509284      Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-30 17:47:26.048360639 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.521803774 +0100


[root at s21 brick2]# stat zimbra/jdk-1.7.0_45/db/bin/*
   File: `zimbra/jdk-1.7.0_45/db/bin/dblook'
   Size: 5740          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798182  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.508105065 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.509105067 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/derby_common.bat'
   Size: 2426          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798185  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.510105069 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.511105071 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/ij'
   Size: 5876          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798186  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.511105071 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.512105073 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/NetworkServerControl'
   Size: 5801          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798179  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.507105063 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.508105065 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/setEmbeddedCP.bat'
   Size: 1278          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798191  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.513105075 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.513105075 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/setNetworkClientCP.bat'
   Size: 1284          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798194  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.514105077 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.515105079 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/setNetworkServerCP'
   Size: 1075          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798195  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.515105079 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.516105081 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/startNetworkServer'
   Size: 5807          Blocks: 16         IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798198  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.517105083 +0100
Modify: 2012-11-02 12:23:32.000000000 +0100
Change: 2015-10-26 15:31:30.518105085 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/startNetworkServer.bat'
   Size: 1397          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798200  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.519105087 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.519105087 +0100
   File: `zimbra/jdk-1.7.0_45/db/bin/sysinfo.bat'
   Size: 1389          Blocks: 8          IO Block: 4096   regular file
Device: 811h/2065d    Inode: 2484798206  Links: 2
Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/ root)
Access: 2015-10-26 15:31:30.520105089 +0100
Modify: 2012-11-01 10:49:22.000000000 +0100
Change: 2015-10-26 15:31:30.521105091 +0100


Thanks,

Marco



On 30/10/2015 08:22, Susant Palai wrote:
> Hi Marco,
>      Can you send the stat of the files from the removed-brick?
>
> Susant
>
> ----- Original Message -----
> From: "Marco Lorenzo Crociani" <marcoc at prismatelecomtesting.com>
> To: gluster-users at gluster.org
> Sent: Tuesday, 27 October, 2015 6:58:51 PM
> Subject: [Gluster-users] Missing files after add new bricks and remove old ones - how to restore files
>
> Hi,
> we had a 2 node glusterfs cluster.
> we had a 2x2 Distributed-Replicate volume on it.
>
> It was:
> Brick1: s20gfs.ovirt:/gluster/VOL/brick1
> Brick2: s21gfs.ovirt:/gluster/VOL/brick2
> Brick3: s20gfs.ovirt:/gluster/VOL/brick3
> Brick4: s21gfs.ovirt:/gluster/VOL/brick4
>
> We added more nodes to the cluster. So I wanted to redistribute the
> bricks on the nodes.
> I added 2 new bricks to the volume.
>
> gluster volume add-brick VOL s22gfs.ovirt:/gluster/VOL/brick2
> x`s23gfs.ovirt:/gluster/VOL/brick3
>
> then I removed 2 old bricks
> gluster volume remove-brick VOL s20gfs.ovirt:/gluster/VOL/brick1
> s21gfs.ovirt:/gluster/VOL/brick2 start
>
> checked the status
> gluster volume remove-brick VOL s20gfs.ovirt:/gluster/VOL/brick1
> s21gfs.ovirt:/gluster/VOL/brick2 status
>
> when it was completed and I saw data on the new bricks I run:
> gluster volume remove-brick VOL s20gfs.ovirt:/gluster/VOL/brick1
> s21gfs.ovirt:/gluster/VOL/brick2 commit
>
> Result:
> some files missing from the volume. Those file are still on the removed
> bricks.
>
> First question. Have I followed a wrong procedure?
>
> Second question. How to restore those files? I can't re-add back those
> brick to the volume because it tolds me:
> volume add-brick: failed: /gluster/VOL/brick1 is already part of a volume
> If I use the force option I get the old files or they get erased?
> Should I rsync from the  "unmounted" brick to the "mounted" volume or to
> an "umounted" brick that is part of the volume?
>
> Regards,
>


-- 
Marco Crociani
Prisma Telecom Testing S.r.l.
via Petrocchi, 4  20127 MILANO  ITALY
Phone:  +39 02 26113507
Fax:  +39 02 26113597
e-mail:  marcoc at prismatelecomtesting.com
web:  http://www.prismatelecomtesting.com

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