From mboxrd@z Thu Jan 1 00:00:00 1970 From: christophe varoqui Subject: Re: device mapper and resizing devices Date: Tue, 01 Mar 2005 23:20:43 +0100 Message-ID: <1109715643.21776.1.camel@zezette> References: <20050301210307.GA28559@thumper2> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit In-Reply-To: <20050301210307.GA28559@thumper2> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids On Tue, 2005-03-01 at 15:03 -0600, Andy wrote: >I am using dm-multipath on non-partitioned (xfs) devices on a SAN. If I >resize the device, and rescan my path devices (i.e rescan /dev/sda, >/dev/sdb, /dev/sdc,/dev/sdd (all the same path)) the kernel sees the new >size of the individual devices, but the /sys/block/dm-0 device is still the >old size. I believe this is the reason why I cannot grow my xfs filesystem >without doing a reboot so that the dm device will have the new size. I'd >like to avoid unmounting and rebooting to resize the device. I haven't >played with lvm enough to feel comfortable using it. Is there any way to >get the dm device to be the proper size, or is this a bug, or a feature that >needs further discussion? > Runing "multipath" again, after rescans, should pick up the size change and adjust the device map. If not please report. Regards, -- christophe varoqui