[Ocfs-users] problem with OCFS label

[Wu, Hai]

Thanks Joel. If I can't use OCFS label, then how can I make sure I am still mounting the same emcpower device if we need to add/remove powerpath LUNs? I know that devlabel would not work in this case. (And IBM this its own way of dealing with this problem, not sure about EMC in this case).

Thanks,
Hai

-----Original Message-----
From:	Joel Becker [mailto:Joel.Becker at oracle.com]
Sent:	Wed 8/31/2005 8:28 PM
To:	Wu, Hai
Cc:	ocfs-users at oss.oracle.com
Subject:	Re: [Ocfs-users] problem with OCFS label
On Wed, Aug 31, 2005 at 06:42:20PM -0500, Wu, Hai wrote:
> But when I tried to mount this ocfs filesystem by label, it gave me the following error.
> # mount -L data13 /oradata/data13
> mount: the label data13 occurs on both /dev/emcpowerp1 and /dev/sdad1 - not mounted

	This isn't a bug, this is a common problem with multipath.
mount(8) does not know that /dev/emcpowerp1 and /dev/sdad1 are the same
drive.  So it cannot decide which to use.  You must mount by device name
in this case.

Joel

-- 

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Joel Becker
Senior Member of Technical Staff
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127