[Gluster-users] How to replace a dead brick? (3.6.5)

Joe Julian
Thu, 08 Oct 2015 20:02:07 -0000

On 10/08/2015 11:46 AM, Pranith Kumar Karampuri wrote:
> On 3.7.4, all you need to do is execute "gluster volume replace-brick
> <volname> commit force" and rest will be taken care by afr. We
are in
> the process of coming up with new commands like "gluster volume
> reset-brick <volname> start/commit" for wiping/re-formatting of
the
> disk. So wait just a little longer :-).
>
> Pranith
>

Nope.

    Volume Name: test
    Type: Replicate
    Volume ID: 426a1719-7cc2-4dac-97b4-67491679e00e
    Status: Started
    Number of Bricks: 1 x 2 = 2
    Transport-type: tcp
    Bricks:
    Brick1: questor:/tmp/foo1.1
    Brick2: questor:/tmp/foo1.2


    Status of volume: test
    Gluster process                             TCP Port  RDMA Port
    Online  Pid

------------------------------------------------------------------------------
    Brick questor:/tmp/foo1.1                   49162     0 Y       20825
    Brick questor:/tmp/foo1.2                   49163     0 Y       20859
    NFS Server on localhost                     N/A       N/A N       N/A
    Self-heal Daemon on localhost               N/A       N/A Y       20887



[root at questor]# kill 20825
[root at questor]# rm -rf /tmp/foo1.1
[root at questor]# mkdir /tmp/foo1.1
[root at questor]# gluster volume replace-brick test commit force
Usage: volume replace-brick <VOLNAME> <SOURCE-BRICK>
<NEW-BRICK> {commit
force}
[root at questor]# gluster volume replace-brick test questor:/tmp/foo1.1
questor:/tmp/foo1.1 commit force
volume replace-brick: failed: Brick: questor:/tmp/foo1.1 not available.
Brick may be containing or be contained by an existing brick


> On 10/08/2015 11:26 AM, Lindsay Mathieson wrote:
>>
>> On 8 October 2015 at 07:19, Joe Julian <joe at julianfamily.org
>> <mailto:joe at julianfamily.org>> wrote:
>>
>>     I documented this on my blog at
>>     https://joejulian.name/blog/replacing-a-brick-on-glusterfs-340/
>>     which is still accurate for the latest version.
>>
>>     The bug report I filed for this was closed without resolution. I
>>     assume there's no plans for ever making this easy for
administrators.
>>     https://bugzilla.redhat.com/show_bug.cgi?id=991084
>>
>>
>>
>> Yes, its the sort of workaround one can never remember in an
>> emergency, you'd have to google it up ...
>>
>> In the case I was working with, probably easier and quicker to do a
>> remove-brick/add-brick.
>>
>> thanks,
>>
>>
>> --
>> Lindsay
>>
>>
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://www.gluster.org/mailman/listinfo/gluster-users
>

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