kern/162342: FreeBSD hides gpt labels after mounting ZFS
partitions
Garrett Wollman
wollman at hergotha.csail.mit.edu
Mon Nov 7 05:30:17 UTC 2011
The following reply was made to PR kern/162342; it has been noted by GNATS.
From: Garrett Wollman <wollman at hergotha.csail.mit.edu>
To: jeff at bovine.net
Cc: freebsd-gnats-submit at freebsd.org
Subject: Re: kern/162342: FreeBSD hides gpt labels after mounting ZFS
partitions
Date: Mon, 7 Nov 2011 00:20:30 -0500 (EST)
In article <201111070510.pA75A7x2010669 at freefall.freebsd.org> you write:
> Regardless of whether ZFS is using gptid to access a disk, I don't see why
> the label should disappear. It should continue to be available as an alias
> if the user wants to reference it.
The label device node is just another client to the underlying disk
partition provider. As soon as you open the disk for write via one
path, all of the other paths that reference the same area of the disk
are automatically destroyed (since you wouldn't be allowed to open
them anyway).
-GAWollman
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