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Operating Systems Solaris One LUN, mounted on two servers - howto Post 302468902 by achenle on Thursday 4th of November 2010 06:07:40 AM
Old 11-04-2010
First, don't EVER mount the LUN on the second system as anything but read-only. In fact, it'd be best if you could export the LUN as read-only to that system from whatever it's on.

The easiest answer is NFS. If you need to read from a file system across some kind of network, use the ubiquitous protocol designed to do just that.

If performance is an issue and you need to use a direct fiber channel connection, you really need to use a shared file system. Or you'll just have to keep doing the umount/mount on the second host.
 

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UMOUNT.NFS(8)						      System Manager's Manual						     UMOUNT.NFS(8)

NAME
umount.nfs, umount.nfs4 - unmount a Network File System SYNOPSIS
umount.nfs dir [-fvnrlh ] DESCRIPTION
umount.nfs and umount.nfs4 are a part of nfs(5) utilities package, which provides NFS client functionality. umount.nfs4 and umount.nfs are meant to be used by the umount(8) command for unmounting NFS shares. This subcommand, however, can also be used as a standalone command with limited functionality. dir is the directory on which the file system is mounted. OPTIONS
-f Force unmount the file system in case of unreachable NFS system. -v Be verbose. -n Do not update /etc/mtab. By default, an entry is created in /etc/mtab for every mounted file system. Use this option to skip delet- ing an entry. -r In case unmounting fails, try to mount read-only. -l Lazy unmount. Detach the file system from the file system hierarchy now, and cleanup all references to the file system as soon as it is not busy anymore. -h Print help message. NOTE
For further information please refer nfs(5) and umount(8) manual pages. FILES
/etc/fstab file system table /etc/mtab table of mounted file systems SEE ALSO
nfs(5), umount(8), AUTHOR
Amit Gud <agud@redhat.com> 6 Jun 2006 UMOUNT.NFS(8)
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