Date: Fri, 12 Jun 2009 16:56:17 -0500 From: Barry Pederson <bp@barryp.org> To: Peter Jones <mlists@pmade.com> Cc: freebsd-fs@freebsd.org Subject: Re: Logical Disk to Physical Drive Mapping Message-ID: <4A32CF01.4010004@barryp.org> In-Reply-To: <86ljnxyy01.fsf@pmade.com> References: <86ljnxyy01.fsf@pmade.com>
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Peter Jones wrote: > Given the situation where you have several identical physical drives, > what is the best way to turn logical labels such as da5 into a physical > identifier like "the drive in slot 4"? > > It looks like I could use dmesg, some assumptions, and glabel to label > the logical disks. However, I plan to use ZFS and as far as I can tell > glabel doesn't support ZFS. > > What is the de facto way of doing this? I'll be using FreeBSD-CURRENT > for this, btw. I've glabeled disks and then added them to ZFS pools, seems to work fine. Here's a raidz2 setup of 8 identical glabeled drives on 7.2 -------- # zpool status pool: tank state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 raidz2 ONLINE 0 0 0 label/15_01 ONLINE 0 0 0 label/15_02 ONLINE 0 0 0 label/15_03 ONLINE 0 0 0 label/15_04 ONLINE 0 0 0 label/15_05 ONLINE 0 0 0 label/15_06 ONLINE 0 0 0 label/15_07a ONLINE 0 0 0 label/15_08 ONLINE 0 0 0 errors: No known data errors ------ Barry
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