Hi,
I'm using linux-ha to put MySQL in high availability.
I configured 2 nodes with MySQL in HA, with 3 resources in a group
colocated and ordered:
* the ip bound to the service
* the partition with data (on a shared storage), formatted with reiserfs
* the mysql service
The ha works well, I can migrate the service between the nodes without
problems.
But yesterday I had a big issue: the node that was running the resource
group went down for a power loss and left the data partition unclean.
After the default timeouts, the other node took over the resources and
restarted the service. BUT the partition was not clean. This wasn't
evident to me, so the server continued to work for about two hours and
then the filesystem started to give kernel ops on the fs and mysql
stopped responding.
I had to unmount the partition, make a fsck.reiserfs --rebuild-tree,
remount the partition and restore from backup some files that were lost
in the correction.
My question is if it's possible to make a check on the partition before
mounting it on the other node or if there's another way to configure the
partition to avoid such problems.
Regards
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