Hi,
I've got a distributed/replicated GlusterFS v3.1.2 (installed via RPM) setup
across two servers (web01 and web02) with the following vol config:
volume shared-application-data-client-0
type protocol/client
option remote-host web01
option remote-subvolume /var/glusterfs/bricks/shared
option transport-type tcp
option ping-timeout 5
end-volume
volume shared-application-data-client-1
type protocol/client
option remote-host web02
option remote-subvolume /var/glusterfs/bricks/shared
option transport-type tcp
option ping-timeout 5
end-volume
volume shared-application-data-replicate-0
type cluster/replicate
subvolumes shared-application-data-client-0
shared-application-data-client-1
end-volume
volume shared-application-data-write-behind
type performance/write-behind
subvolumes shared-application-data-replicate-0
end-volume
volume shared-application-data-read-ahead
type performance/read-ahead
subvolumes shared-application-data-write-behind
end-volume
volume shared-application-data-io-cache
type performance/io-cache
subvolumes shared-application-data-read-ahead
end-volume
volume shared-application-data-quick-read
type performance/quick-read
subvolumes shared-application-data-io-cache
end-volume
volume shared-application-data-stat-prefetch
type performance/stat-prefetch
subvolumes shared-application-data-quick-read
end-volume
volume shared-application-data
type debug/io-stats
subvolumes shared-application-data-stat-prefetch
end-volume
In total, four servers mount this via GlusterFS FUSE. For whatever reason
(I'm really not sure why), the GlusterFS filesystem has run into a bit of
split-brain nightmare (although to my knowledge an actual split brain
situation has never occurred in this environment), and I have been getting
solidly corrupted issues across the filesystem as well as complaints that
the filesystem cannot be self-healed.
What I would like to do is completely empty one of the two servers (here I
am trying to empty server web01), making the other one (in this case web02)
the authoritative source for the data; and then have web01 completely
rebuild it's mirror directly from web02.
What's the easiest/safest way to do this? Is there a command that I can run
that will force web01 to re-initialize it's mirror directly from web02 (and
thus completely eradicate all of the split-brain errors and data
inconsistencies)?
Thanks!
--
Remi Broemeling
System Administrator
Clio - Practice Management Simplified
1-888-858-2546 x(2^5) | remi at goclio.com
www.goclio.com | blog <http://www.goclio.com/blog> |
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