I have 60 nodes to use as OSS ，I have made an experiment : I use a
disk（iscsi） to be an OST ， if I do not define the failnodes when I use the
mkfs.luster command, I mount this ost and at the client node ,lfs df -h can see
this OST, but when I umount it and mount the ost to another OSS ，
lfs df -h can not see it again. But if I define the failnodes in the
mkfs.luster command, and do the operations above, we can see the OST at the
client node using lfs df -h command.
So my question is :if I want an OST to failover to any OSS (one of sixty
nodes),should I need to defined 60 failnodes when I format the disk?or can I
use pacemaker to select an oss and modify something to notify client that the
disk is on some OSS？_______________________________________________
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