From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id j6SIEkV05923 for ; Thu, 28 Jul 2005 14:14:46 -0400 Received: from leviathan.ele.uri.edu (leviathan.ele.uri.edu [131.128.51.64]) by mx1.redhat.com (8.12.11/8.12.11) with ESMTP id j6SIEgRC029261 for ; Thu, 28 Jul 2005 14:14:42 -0400 Subject: Re: [linux-lvm] how to access the partition on LV? From: Ming Zhang In-Reply-To: <20050728180346.GI4954@null.msp.redhat.com> References: <1122563861.9888.1.camel@localhost.localdomain> <20050728164523.GF4954@null.msp.redhat.com> <1122570830.9888.10.camel@localhost.localdomain> <20050728173218.GH4954@null.msp.redhat.com> <1122572530.9888.26.camel@localhost.localdomain> <20050728180346.GI4954@null.msp.redhat.com> Date: Thu, 28 Jul 2005 14:14:38 -0400 Message-Id: <1122574478.9888.34.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Reply-To: mingz@ele.uri.edu, LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" To: LVM general discussion and development On Thu, 2005-07-28 at 13:03 -0500, AJ Lewis wrote: > On Thu, Jul 28, 2005 at 01:42:10PM -0400, Ming Zhang wrote: > > On Thu, 2005-07-28 at 12:32 -0500, AJ Lewis wrote: > > > On Thu, Jul 28, 2005 at 01:13:50PM -0400, Ming Zhang wrote: > > > > the problem is that we export a LV via iscsi to a remote box and become > > > > a scsi disk. so it is partitioned and utilized. then it does have > > > > partition on it. even it is exported to a linux box, u possibly will > > > > use /dev/sdx1 instead of directly use /dev/sdx, rite? > > > > > > Ahh - I see. Well, on the node exporting the LVs, you don't access it. I > > > dunno if kpartx or some other partitioning tool could do it - it might. But > > > as far as the standard partion handling code goes, LVs don't exist. I know > > > why you're doing it this way - I don't know why you want to access the > > > partitions on the exporting (target) node. Do you really need to? > > yes, i guess that is the only solution. we have end users want that > > feature. so i think a work around is to run a iscsi initiator at local > > site and access via iscsi again. > > Could play with loopback devices too if you need to do it on the target - that > might get nasty quickly though. can loopback support partition? might worthy a try. :P > > > > > i can not see this HOWTO, where u referenced it? > > > > > > It's at the bottom of all messages that go to the linux-lvm ML - > > > http://tldp.org/HOWTO/LVM-HOWTO/ > > > > i guess this is because i got the email from u directly. so lvm list > > will not send to me again. and only email via it will have that link. i > > checked my archival and all emails via lvm list has that. > > Heh - yep, that'd do it ;) > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ this time works. :P