Date: Wed, 28 Nov 2007 16:33:24 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-fs@freebsd.org Subject: Re: Recommendated disk layout for ZFS Message-ID: <fik1o6$fr3$1@ger.gmane.org> In-Reply-To: <20071128091336.GA95214@gw.reifenberger.com>
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[-- Attachment #1 --] Michael Reifenberger wrote: > Has anyone allready done a throughput comparison of the different layouts? There are general well-known rules about behaviour of various RAID levels, which should also hold for ZFS. > What would be the preferred layout from an performance POV? What kind of performance? read / write, sequential, scattered? One or more heavy users (applications)? All users behave the same or some are sequential and some are scattered? As a rule of thumb, if you don't know the parameters of disk access, with this many drives you won't make a big mistake if you put them all in a single raidz (you should consider purchasing one more drive and using it as either spare drive or make a raidz2 out of all drives together). [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHTYpEldnAQVacBcgRApqpAJ0ZCQEJdoxTYz5EAeJBzvv/h8pwOwCg91dy Q930OxyL6BN4tlK3fp/rqpU= =vVxR -----END PGP SIGNATURE-----help
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