Re: Replica brick not working

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Please find attached the required files from storage2 server. The storage server has no /var/lib/glusterd/vols/<volname>/ files.

- Kindest regards,

Milos Cuculovic
IT Manager

---
MDPI AG
Postfach, CH-4020 Basel, Switzerland
Office: St. Alban-Anlage 66, 4052 Basel, Switzerland
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Email: cuculovic@xxxxxxxx
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On 08.12.2016 07:26, Atin Mukherjee wrote:


On Thu, Dec 8, 2016 at 11:11 AM, Ravishankar N <ravishankar@xxxxxxxxxx
<mailto:ravishankar@xxxxxxxxxx>> wrote:

    On 12/08/2016 10:43 AM, Atin Mukherjee wrote:

        >From the log snippet:

        [2016-12-07 09:15:35.677645] I [MSGID: 106482]
        [glusterd-brick-ops.c:442:__glusterd_handle_add_brick]
        0-management: Received add brick req
        [2016-12-07 09:15:35.677708] I [MSGID: 106062]
        [glusterd-brick-ops.c:494:__glusterd_handle_add_brick]
        0-management: replica-count is 2
        [2016-12-07 09:15:35.677735] E [MSGID: 106291]
        [glusterd-brick-ops.c:614:__glusterd_handle_add_brick] 0-management:

        The last log entry indicates that we hit the code path in
        gd_addbr_validate_replica_count ()

                        if (replica_count == volinfo->replica_count) {
                                if (!(total_bricks %
        volinfo->dist_leaf_count)) {
                                        ret = 1;
                                        goto out;
        }
                        }


    It seems unlikely that this snippet was hit because we print the E
    [MSGID: 106291] in the above message only if ret==-1.
    gd_addbr_validate_replica_count() returns -1 and yet not populates
    err_str only when in volinfo->type doesn't match any of the known
    volume types, so volinfo->type is corrupted perhaps?


You are right, I missed that ret is set to 1 here in the above snippet.

@Milos - Can you please provide us the volume info file from
/var/lib/glusterd/vols/<volname>/ from all the three nodes to continue
the analysis?



    -Ravi

        @Pranith, Ravi - Milos was trying to convert a dist (1 X 1)
        volume to a replicate (1 X 2) using add brick and hit this issue
        where add-brick failed. The cluster is operating with 3.7.6.
        Could you help on what scenario this code path can be hit? One
        straight forward issue I see here is missing err_str in this path.






--

~ Atin (atinm)

Attachment: storage
Description: application/http-index-format

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