From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Dungan Subject: Re: FS directly on top of dm devices? Date: Fri, 17 Apr 2009 09:01:47 -0700 Message-ID: <49E8A7EB.9070605@gps.caltech.edu> References: <49E7C4A6.3080301@gps.caltech.edu> <16F7C86087BE0247B20562A9E6B07DC781D2BF95@excnysm95bagp.nysemail.nyenet> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <16F7C86087BE0247B20562A9E6B07DC781D2BF95@excnysm95bagp.nysemail.nyenet> 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 That is what we figured. Thanks for the reply. Romanowski, John (OFT) wrote: > Partitioning and LVM is optional, depends upon what you want to accomplish. > Sometimes I make the file system directly on the multipathed device, as in > mkfs /dev/mapper/mpatha > > Other than having more paths to the LUN it's no different then making a file system on an unpartitioned scsi device as in > mkfs /dev/sda > > >> -----Original Message----- >> From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com] >> On Behalf Of Scott Dungan >> Sent: Thursday, April 16, 2009 7:52 PM >> To: dm-devel@redhat.com >> Subject: [dm-devel] FS directly on top of dm devices? >> >> We recently had an engineer from a large storage vendor suggest that we >> make our file systems directly onto the multipathed devices without >> first creating underlying partitions or using LVM. Having not run with >> this method in production before, we would like to gather as much >> information as possible first. Initial searches for documentation on >> this method has produced few results, short of a Suse/Novell document >> from 2005 under section 4: >> >> http://support.novell.com/techcenter/sdb/en/2005/04/sles_multipathing.h >> tml >> >> Does anyone have any experience with this or can point us to more >> documentation. thoughts or recommendations? >> >> Thanks, >> >> -- >> >> Scott A Dungan >> >> >> -- >> dm-devel mailing list >> dm-devel@redhat.com >> https://www.redhat.com/mailman/listinfo/dm-devel >> > > > This e-mail, including any attachments, may be confidential, privileged or otherwise legally protected. It is intended only for the addressee. If you received this e-mail in error or from someone who was not authorized to send it to you, do not disseminate, copy or otherwise use this e-mail or its attachments. Please notify the sender immediately by reply e-mail and delete the e-mail from your system. > > > -- > dm-devel mailing list > dm-devel@redhat.com > https://www.redhat.com/mailman/listinfo/dm-devel > -- Scott A Dungan Systems Administrator GPS Division California Institute of Technology Phone: (626) 395-3170 Fax: (626) 585-1917