Date: Wed, 30 Jul 2003 14:11:28 -0700 From: "Richard Johannesson" <rtjohan@syspres.com> To: <freebsd-questions@freebsd.org> Subject: RE: Mirroring Vinum Volumes - importance of subdisk sequence on mirrordevice Message-ID: <004a01c356df$252e6880$3d01a8c0@rjc800> In-Reply-To: <004301c356dc$76e9e620$3d01a8c0@rjc800>
next in thread | previous in thread | raw e-mail | index | archive | help
It seems dumpconfig provides absolute settings of the subdisks. Might as well use those offsets just in case it matters. > -----Original Message----- > From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd- > questions@freebsd.org] On Behalf Of Richard Johannesson > Sent: Wednesday, July 30, 2003 1:52 PM > To: freebsd-questions@freebsd.org > Subject: Mirroring Vinum Volumes - importance of subdisk sequence on > mirrordevice > > Question: > Is it important that the sequence plexes/sub-disks get created in for the > primary drive and the mirrored drive be the same? Any performance penalty? > > I'm guessing that a different sub-disk creation order will put the sub- > disks > in different places on a disk. > > Background - if needed: > Have 10 vinum volumes being mapped by 10 plexes to the root drive. > > To get mirroring, I created plexes/sub-disks for swap, root, and usr using > the specific offsets for each on the 2nd hdd device and map them back to > their specific volumes they should be mirroring. > > When I start creating the other plexes/sub-disks on the 2nd hdd and map > them > back to the volume already setup, I won't be using specific offsets. > > > Thanks, > Richard > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?004a01c356df$252e6880$3d01a8c0>