Sharing LVM's via NFS on Redhat 8.0 (nice clarification)
Thanks Patrick...nice clarification and more than helpfull visual description :) Hey Sistina...wouldn't be such a bad idea to add that one to the sharing LV's/dangerous operations section on the HOWTO. :)
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Sharing over NFS is fine. What you are doing with NFS is sharing the
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filesystem.
The dangerous behaviour mentioned is when you are sharing the actual >block device that is the LV. A subtle but very important distinction.
This is safe:
+----+ NFS +---------+ | |---------| Box B | |boxA| | | +----+ +---------+ | SCSI/IDE/FC | ^^^^^^^ |disks| | | | | | | ^^^^^^^ This is dangerous:+----+ +----+ | | | | |boxA| |boxB| +----+ +----+ \ / ^^^^^^^ |disks| | | | | | | ^^^^^^^
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patrick
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