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Full Discussion: UFS filesystem mounted on 2 hosts question
Operating Systems Solaris UFS filesystem mounted on 2 hosts question Post 302245529 by beaker457 on Friday 10th of October 2008 09:59:34 AM
Old 10-10-2008
UFS filesystem mounted on 2 hosts question
I have two Unix (Solaris) hosts that are both attached to our SAN. They are both presented with the same luns.

What I want to do is have the same UFS filesystem mounted on both hosts at the same time. What I am trying to accomplish is creating a zone that will reside on both hosts but only ever be active on one host.

Also, the luns contain user home directories, but since the zone will only be active on one of the hosts we shouldn't have any need for file locking between the hosts.

I was wondering if it would be safe to have both UFS filesystems mounted at the same time on both hosts, only one host would be writing. The other host would be used as a hot spare.

I do understand that I could write a little shell script that could mount/unmount the partitions and then bring the zone up/down, but I was wondering if this particular scenario was possible.

Thanks for your time,
 

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LEARN ABOUT DEBIAN

mounted

mounted(7)						 Miscellaneous Information Manual						mounted(7)

NAME

       mounted - event signalling that a filesystem has been mounted

SYNOPSIS

       mounted DEVICE=DEVICE MOUNTPOINT=MOUNTPOINT TYPE=TYPE OPTIONS=OPTIONS [ENV]...

DESCRIPTION

       The mounted event is generated by the mountall(8) daemon after it has mounted a filesystem.  mountall(8) will wait for all services started
       by this event to be running, all tasks started by this event to have finished and all jobs stopped by this event to be stopped before emit-
       ting any other events related to this filesystem or continuing with other filesystems depending on this one.

       The DEVICE, MOUNTPOINT, TYPE and OPTIONS environment variables contain the values of the fstab(5) fields for this mountpoint.

EXAMPLE

       A tool that should be run after mounting the /tmp filesystem might use:

	      start on mounted MOUNTPOINT=/tmp
	      task

SEE ALSO

       mounting(7) virtual-filesystems(7) local-filesystems(7) remote-filesystems(7) all-swaps(7) filesystem(7)

mountall							    2009-12-21								mounted(7)
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