> -----Original Message----- > From: James Bottomley [mailto:James.Bottomley@xxxxxxxxxxxxxxxxxxxxx] > Sent: Sunday, November 04, 2012 4:39 AM > To: KY Srinivasan > Cc: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > devel@xxxxxxxxxxxxxxxxxxxxxx; ohering@xxxxxxxx; hch@xxxxxxxxxxxxx; linux- > scsi@xxxxxxxxxxxxxxx > 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 ��.n��������+%������w��{.n�����{������ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
