On Mon, Aug 8, 2016 at 4:23 PM, Joe Julian <[email protected]> wrote:
> > > On 08/08/2016 01:39 PM, David Gossage wrote: > > So now that I have my cluster on 3.7.14 and sharded and working I am of > course looking for what to break next. > > Currently each of 3 nodes is on a 6 disk (WD Red 1TB) raidz6 (zil on > mirrored ssd), which I am thinking is more protection than I may need with > a 3 way replica. I was going to one by one change them to basically raid10 > letting it heal in between. > > Is best way to do that a systemctl stop glusterd, should I just kill the > brick process to simulate a brick dying, or is their an actual brick > maintenance command? > > > Just kill (-15) the brick process. That'll close the TCP connections and > the clients will just go right on functioning off the remaining replica. > When you format and recreate your filesystem, it'll be missing the > volume-id extended attributes so to start it you'll need to force it: > > gluster volume start $volname start force > If I left volume started when brick process is killed and clients are still (in theory) connected to volume wouldn't that just give me an error that volume is already started? Likely I would shut down the volume and do downtime for this anyway though letting heals go on with VM's off. > > If /etc/glusterfs is unchanged and /var/lib/glusterd is unchanged will > doing a heal full after reboot or restarting glusterd take care of > everything if I recreate the expected brick path first? > > > Once started, perform a full heal to re-replicate. > > > Are the improvements in 3.8 for sharding significant enough I should first > look at updating to 3.8.2 when released in few days? > > > Yes. > > > > *David Gossage* > *Carousel Checks Inc. | System Administrator* > *Office* 708.613.2284 > > > _______________________________________________ > Gluster-users mailing > [email protected]http://www.gluster.org/mailman/listinfo/gluster-users > > > > _______________________________________________ > Gluster-users mailing list > [email protected] > http://www.gluster.org/mailman/listinfo/gluster-users >
_______________________________________________ Gluster-users mailing list [email protected] http://www.gluster.org/mailman/listinfo/gluster-users
