Messages in this thread | | | From | Ingo Oeser <> | Subject | Re: waiting for MNT_DETACH | Date | Tue, 4 Jul 2006 00:43:10 +0200 |
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Hi Ian,
On Sunday, 2. July 2006 20:51, Ian Turner wrote: > I administer a two-node high-availability cluster using DRBD and heartbeat. > > So, here's the question: Is there a way to check if a call to umount2(..., > MNT_DETACH) has completed or not?
Check the usage count (refcount) of the DRBD module. It should be as low as you would expect with a normal umount.
"cat /sys/module/drbd/refcnt" should be the right command.
Regards
Ingo Oeser - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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