From: KY Srinivasan <kys@microsoft.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
"ohering@suse.com" <ohering@suse.com>,
"hch@infradead.org" <hch@infradead.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: RE: Drivers: scsi
Date: Sun, 4 Nov 2012 15:26:31 +0000 [thread overview]
Message-ID: <426367E2313C2449837CD2DE46E7EAF930DF9113@SN2PRD0310MB382.namprd03.prod.outlook.com> (raw)
In-Reply-To: <1352021949.2427.19.camel@dabdike.int.hansenpartnership.com>
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> -----Original Message-----
> From: James Bottomley [mailto:James.Bottomley@HansenPartnership.com]
> Sent: Sunday, November 04, 2012 4:39 AM
> To: KY Srinivasan
> Cc: gregkh@linuxfoundation.org; linux-kernel@vger.kernel.org;
> devel@linuxdriverproject.org; ohering@suse.com; hch@infradead.org; linux-
> scsi@vger.kernel.org
> Subject: Re: Drivers: scsi
>
> On Sat, 2012-11-03 at 09:40 -0700, K. Y. Srinivasan wrote:
> > Do we currently support dynamic re-sizing of LUNs. Hyper-V can
> > notify capacity change via sense data and I was wondering if this
> > is handled in the generic scsi code.
>
> Depends what you mean by "dynamic". Experience shows that most users
> really don't want all this to happen without manual intervention
> (particularly on shrink). However, we have the mechanics in place.
> Just send ASC/Q 2A/09 and it can get vectored up to LVM which resizes
> the volume and can be scripted automatically to resize the filesystem.
>
> hypervisor people tend to have problems with scripting, so there are
> some hacks that do this outside of the normal event system ... see for
> example virtio_scsi.c
Thanks for the prompt response.
Regards,
K. Y
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next prev parent reply other threads:[~2012-11-04 15:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-03 16:40 Drivers: scsi K. Y. Srinivasan
2012-11-04 9:39 ` James Bottomley
2012-11-04 15:26 ` KY Srinivasan [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-10-24 16:25 K. Y. Srinivasan
2012-10-24 22:25 ` James Bottomley
2012-10-24 22:34 ` KY Srinivasan
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