shared filesystem takeover
horms at vergenet.net
Sat Jul 15 16:31:41 MDT 2000
On Sat, Jul 15, 2000 at 02:41:23PM +0200, Stegbauer Thomas wrote:
> hi everyone,
> at http://www.linux-ha.org/HATodo.html is notified, that SharedFS takeover needs
> to be done.
> but if you have a multihost able raid-boxes on a shared scsi
> (i think this looks like this --
> scsi scsi scsi scsi
> the clusterenabler are small boxes which are connected between srv and raid.
> this boxes check if termination is correct and so on. so if srv2 fails the
> clusterenabler terminates the scsi bus!
> ok so my idea was:
> create for each service, which should be able to run as high available, a
> partition on the raidbox.
> in /etc/ha.d/resource.d/service the first is: mount the filesystem (prefer
> jreiserfs) and the last when correct stopping the service unmounting the
You need to be sure that when you mount the partition the host
doesn't have the partition mounted already. Ultimately this means
you need the ability to power down the other box.
One solution that addresses the problem of shared disks is
Kimberlite from MC Linux.
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