Date: Mon, 22 Jun 2009 06:52:17 +1000 From: Andrew Snow <andrew@modulus.org> To: =?UTF-8?B?xaBpbXVuIE1pa2VjaW4=?= <numisemis@yahoo.com>, freebsd-fs@freebsd.org Subject: Re: ufs2 / softupdates / ZFS / disk write cache Message-ID: <4A3E9D81.1060406@modulus.org> In-Reply-To: <570433.20373.qm@web37308.mail.mud.yahoo.com> References: <570433.20373.qm@web37308.mail.mud.yahoo.com>
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Šimun Mikecin wrote: > 21. lip. 2009., u 13:41, Andrew Snow <andrew@modulus.org> napisao: >> Folks who need to maximize safety and can't afford the performance >> hit of no write cache need to do what they always have had to do in >> the past - buy a controller card with battery-backed cached. > > Or: > B) use SCSI instead of ATA disks > C) use UFS+gjournal instead of UFS+SU > D) use ZFS instead of UFS+SU All of these solutions still involve disabling of write cache, with a performance hit of varying degrees. (I have tried all of those except gjournal!)
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