Re: mount_dir value seems clobbered in all /var/lib/glusterd/vols/<vol-name>/bricks/<node-name>:<brick-path> files

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The bricks are NOT lvm mounted.
The bricks are just directories on the root file-system.

Milind

On 08/05/2016 11:25 AM, Avra Sengupta wrote:
Hi Milind,

Are the bricks lvm mounterd bricks. This field is populated for lvm
mounted bricks, and used by them. For regular bricks, which don't have a
mount point this valus is ignored.

Regards,
Avra

On 08/04/2016 07:44 PM, Atin Mukherjee wrote:
glusterd_get_brick_mount_dir () does a brick_dir++  which seems to
cause this problem and removing this line fixes the problem. Commit
f846e54b introduced it.

Ccing Avra/Rajesh

mount_dir is used by snapshot, however I am just wondering how are we
surviving this case.

~Atin

On Thu, Aug 4, 2016 at 5:39 PM, Milind Changire <mchangir@xxxxxxxxxx
<mailto:mchangir@xxxxxxxxxx>> wrote:

    here's one of the brick definition files for a volume named "twoXtwo"

    [root@f24node0 bricks]# cat f24node1\:-glustervols-twoXtwo-dir
    hostname=f24node1
    path=/glustervols/twoXtwo/dir
    real_path=/glustervols/twoXtwo/dir
    listen-port=0
    rdma.listen-port=0
    decommissioned=0
    brick-id=twoXtwo-client-1
    mount_dir=/lustervols/twoXtwo/dir          <-- shouldn't the value be
                                                   /glustervols/...
                                                   there's a missing 'g'
                                                   after the first '/'
    snap-status=0


    This *should* happen for all volumes and for all such brick definition
    files or whatever they are called.
    BTW, I'm working with the upstream mainline sources, if that helps.

    I'm running a 2x2 distribute-replicate volume.
    4 nodes with 1 brick per node.
    1 brick for the hot tier for tiering.

    As far as I can tell, I haven't done anything fancy with the setup.
    And I have confirmed that there is no directory named '/lustervols'
    on any of my cluster nodes.

    --
    Milind
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--

--Atin

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