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Re: xfs with LVM

To: "Nathan Scott" <nathans@xxxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: xfs with LVM
From: "Martin K. Petersen" <mkp@xxxxxxxxxxxxx>
Date: 02 Aug 2000 11:05:13 -0400
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: "Nathan Scott"'s message of "Wed, 2 Aug 2000 07:38:39 -0500"
Organization: Linuxcare, Inc.
References: <200008012002.PAA27963@jen.americas.sgi.com> <yq1g0oo3f1j.fsf@tyra.mkp.net> <10008020738.ZM18437@wobbly.melbourne.sgi.com>
Sender: owner-linux-xfs-announce@xxxxxxxxxxx
User-agent: Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.1 (Canyonlands)
>>>>> "Nathan" == Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxxx> writes:

Nathan> I'm guessing Martin may be working on a way to do the
Nathan> equivalent of this IRIX ioctl in Linux/LVM (?)... on IRIX the
Nathan> ioctl tells the sim_init which data/log/realtime subvolumes
Nathan> are associated with a given XLV/XVM device.

Ah, now I remember.  In my old xfs-tools tree I had simply ripped out
that code since Linux LVM doesn't support subvolumes at all.

If we have external realtime/log sections, the application using
libsim should require those to be specified on the command line (I did
implement that for mkfs).

Instead of fixing cmd/*, perhaps we should provide some generic sanity
checking in sim_init()?

-- 
Martin K. Petersen, Principal Linux Consultant, Linuxcare, Inc.
mkp@xxxxxxxxxxxxx, http://www.linuxcare.com/
Linuxcare. Support for the revolution.


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