[Gluster-users] Add/remove new server volumes on the fly?
yferrety at gmail.com
Fri Aug 15 19:22:30 UTC 2008
>> 1. While learning GlusterFS, I'was wondering if it's possible to add
>> server volumes to increase space capacity of my cluster "on the FLY"?
>> I mean, a hot upgrade.
> I'd *think* could could add bricks to an existing unify volume. I'm not
> sure if you'd have to remount the clients or not. you'd have to restart the
> server--I'm not sure of a sighup will do the job or not. Someone more
> qualified will answer I'm sure, but I'd think just adding bricks will add
I'll try to see by myself.
>> 2. Second, when using "files replicating strategy" (scheduler), is it
>> possible to remove a server node without stopping the hole cluster
>> (ex. hardware maintaining reasons, add more disk/ram to the node ...)?
> if you have multiple servers AFR'ed, if one server is down, the rest will
> continue after the timeout period. when that servers back on line it will
> coninue AFRing to it.
> Remember, AFR does healing when files are accessed, so the server that's
> offline may be out of sync until any updated files are accessed again.
Hmmm. Could it be possible to force it to synchronize itself when it's back?
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