From: Stefan Voelkel <Stefan.Voelkel@millenux.com>
To: linux-scsi@vger.kernel.org
Subject: LUN resizing
Date: Tue, 25 Nov 2003 10:34:19 +0100 [thread overview]
Message-ID: <1069708054.26088.127.camel@lt-sv> (raw)
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Hello,
a hypothetical question:
I have a Linux box connected to a Fibre SAN. Now I'd like to resize one
LUN and tell my Linux box what happened. In other words can I _live_
resize a SCSI disk?
[ let's not talk about which filesystems are capable of live
resizing :) ]
* Is this possible at all, eg does the SCSI Standard include
something to enable a device to tell the host about the changed
geometry (SENSE DATA, ...) ?
* Is it possible with Linux, eg does the block layer/scsi layer
support it? any problems with the partition code?
* If there are problems, are they solveable, any plans on working
on them or is already someone working on this?
Two options come to my mind:
* LVM, just define a new LUN, add it to the group, and resize
* echo remove-single-device ... > /proc/scsi/scsi (would not be
life)
regards
Stefan
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next reply other threads:[~2003-11-25 9:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-25 9:34 Stefan Voelkel [this message]
2003-11-25 15:43 ` LUN resizing James Bottomley
2003-11-25 16:11 ` James Bottomley
2003-11-26 9:45 ` Stefan Voelkel
2003-11-26 9:48 ` Christoph Hellwig
2003-11-28 10:08 ` Stefan Voelkel
2003-11-28 10:23 ` Christoph Hellwig
2003-11-28 16:18 ` James Bottomley
2003-11-25 19:34 ` Lincoln Dale
-- strict thread matches above, loose matches on Subject: below --
2003-11-28 22:29 christophe varoqui
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