From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Anderson Subject: Re: Online disk size change and Linux Date: Tue, 19 Jan 2010 08:13:13 -0800 Message-ID: <20100119161313.GA4273@linux.vnet.ibm.com> References: <2c46f67e1001190742l13ebdc1fs95aa6d545332bcc1@mail.gmail.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <2c46f67e1001190742l13ebdc1fs95aa6d545332bcc1@mail.gmail.com> 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 Daniel Olops wrote: > Sorry if this is off-topic... but if anyone could help, it'd be good. > > Is Linux (more specifically Red Hat EL 5.4) able to recognize _disk_ size > changes online? We have some HP servers with QLogic HBAs connected to an > EVA 4000 Storage, with multipathing properly set up. These disks can be > resized online, but only after a reboot that RHEL recognizes the change. > I've been trying to find any information about it, but to no avail. > The steps listed at the urls below are manual steps to resize. Do the steps listed at either of the urls below address your needs? http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.4/html/DM_Multipath/MPIO_admin-troubleshoot.html#online_device_resize http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/html/Online_Storage_Reconfiguration_Guide/index.html -andmike -- Michael Anderson andmike@linux.vnet.ibm.com