From: Hannes Reinecke <hare@suse.de>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: online disk resizing
Date: Thu, 05 Jul 2007 09:33:44 +0200 [thread overview]
Message-ID: <468C9ED8.8040201@suse.de> (raw)
In-Reply-To: <7531FC6D348A2F4A9670BBC9BCB3250802B3E2D6@cm050024.europede.psinet.dc>
Roland Mieslinger wrote:
> I did the same with HP MSA in the past, but without dm involved.
>
> You can use "blockdev --rereadpt <blockdevice>" to make the the kernel
> recognise the new disk size (geometery). The nasty thing is that you
> have to stop all I/O to the blocdevice.
>
You've not only to stop all I/O, but also have to make sure that on-one
claims the device (ie no open files, not mounted, no device-mapper tables
etc.). Otherwise will the kernel reject any size updates.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)
next prev parent reply other threads:[~2007-07-05 7:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-04 17:16 online disk resizing Alexander Benaguev
2007-07-05 7:31 ` Roland Mieslinger
2007-07-05 7:33 ` Hannes Reinecke [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-07-05 9:54 Raayman, Sebastian
2007-07-05 12:43 ` Alexander Benaguev
2007-07-05 12:56 ` Kevin Foote
2007-07-05 13:15 ` Roland Mieslinger
2007-07-05 14:08 ` Alexander Benaguev
2007-07-05 14:15 ` Roland Mieslinger
2007-07-05 14:19 ` Alexander Benaguev
2007-07-05 14:22 ` Roland Mieslinger
2007-07-05 14:26 ` Kevin Foote
2007-07-06 6:19 ` Hannes Reinecke
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