[Gluster-users] [URGENT] Add-bricks to a volume corrupted the files

[David Gossage]

Sorry to resurrect an old email but did any resolution occur for this or a
cause found?  I just see this as a potential task I may need to also run
through some day and if their are pitfalls to watch for would be good to
know.

*David Gossage*
*Carousel Checks Inc. | System Administrator*
*Office* 708.613.2284

On Tue, Sep 6, 2016 at 5:38 AM, Kevin Lemonnier <lemonnierk at ulrar.net>
wrote:

> Hi,
>
> Here is the info :
>
> Volume Name: VMs
> Type: Replicate
> Volume ID: c5272382-d0c8-4aa4-aced-dd25a064e45c
> Status: Started
> Number of Bricks: 1 x 3 = 3
> Transport-type: tcp
> Bricks:
> Brick1: ips4adm.name:/mnt/storage/VMs
> Brick2: ips5adm.name:/mnt/storage/VMs
> Brick3: ips6adm.name:/mnt/storage/VMs
> Options Reconfigured:
> performance.readdir-ahead: on
> cluster.quorum-type: auto
> cluster.server-quorum-type: server
> network.remote-dio: enable
> cluster.eager-lock: enable
> performance.quick-read: off
> performance.read-ahead: off
> performance.io-cache: off
> performance.stat-prefetch: off
> features.shard: on
> features.shard-block-size: 64MB
> cluster.data-self-heal-algorithm: full
> network.ping-timeout: 15
>
>
> For the logs I'm sending that over to you in private.
>
>
> On Tue, Sep 06, 2016 at 09:48:07AM +0530, Krutika Dhananjay wrote:
> >    Could you please attach the glusterfs client and brick logs?
> >    Also provide output of `gluster volume info`.
> >    -Krutika
> >    On Tue, Sep 6, 2016 at 4:29 AM, Kevin Lemonnier <lemonnierk at ulrar.net
> >
> >    wrote:
> >
> >      >A  A  - What was the original (and current) geometry? (status and
> info)
> >
> >      It was a 1x3 that I was trying to bump to 2x3.
> >      >A  A  - what parameters did you use when adding the bricks?
> >      >
> >
> >      Just a simple add-brick node1:/path node2:/path node3:/path
> >      Then a fix-layout when everything started going wrong.
> >
> >      I was able to salvage some VMs by stopping them then starting them
> >      again,
> >      but most won't start for various reasons (disk corrupted, grub not
> found
> >      ...).
> >      For those we are deleting the disks then importing them from
> backups,
> >      that's
> >      a huge loss but everything has been down for so long, no choice ..
> >      >A  A  On 6/09/2016 8:00 AM, Kevin Lemonnier wrote:
> >      >
> >      >A  I tried a fix-layout, and since that didn't work I removed the
> brick
> >      (start then commit when it showed
> >      >A  completed). Not better, the volume is now running on the 3
> original
> >      bricks (replica 3) but the VMs
> >      >A  are still corrupted. I have 880 Mb of shards on the bricks I
> removed
> >      for some reason, thos shards do exist
> >      >A  (and are bigger) on the "live" volume. I don't understand why
> now
> >      that I have removed the new bricks
> >      >A  everything isn't working like before ..
> >      >
> >      >A  On Mon, Sep 05, 2016 at 11:06:16PM +0200, Kevin Lemonnier wrote:
> >      >
> >      >A  Hi,
> >      >
> >      >A  I just added 3 bricks to a volume and all the VMs are doing I/O
> >      errors now.
> >      >A  I rebooted a VM to see and it can't start again, am I missing
> >      something ? Is the reblance required
> >      >A  to make everything run ?
> >      >
> >      >A  That's urgent, thanks.
> >      >
> >      >A  --
> >      >A  Kevin Lemonnier
> >      >A  PGP Fingerprint : 89A5 2283 04A0 E6E9 0111
> >      >
> >      >
> >      >
> >      >
> >      >A  _______________________________________________
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> >      >A  Gluster-users at gluster.org
> >      >A  http://www.gluster.org/mailman/listinfo/gluster-users
> >      >
> >      >
> >      >
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> >      >A  http://www.gluster.org/mailman/listinfo/gluster-users
> >      >
> >      >A  --
> >      >A  Lindsay Mathieson
> >
> >      > _______________________________________________
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> >      > Gluster-users at gluster.org
> >      > http://www.gluster.org/mailman/listinfo/gluster-users
> >
> >      --
> >      Kevin Lemonnier
> >      PGP Fingerprint : 89A5 2283 04A0 E6E9 0111
> >      _______________________________________________
> >      Gluster-users mailing list
> >      Gluster-users at gluster.org
> >      http://www.gluster.org/mailman/listinfo/gluster-users
>
> --
> Kevin Lemonnier
> PGP Fingerprint : 89A5 2283 04A0 E6E9 0111
>
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