Date: Tue, 19 Jan 2010 09:16:41 +0100 From: Gerrit =?ISO-8859-1?Q?K=FChn?= <gerrit@pmp.uni-hannover.de> To: Garrett Moore <garrettmoore@gmail.com> Cc: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>, freebsd-stable@freebsd.org Subject: Re: immense delayed write to file system (ZFS and UFS2), performance issues Message-ID: <20100119091641.cc59f03f.gerrit@pmp.uni-hannover.de> In-Reply-To: <7346c5c61001181841j3653a7c3m32bc033c8c146a92@mail.gmail.com> References: <4B54C100.9080906@mail.zedat.fu-berlin.de> <4B54C5EE.5070305@pp.dyndns.biz> <201001191250.23625.doconnor@gsoft.com.au> <7346c5c61001181841j3653a7c3m32bc033c8c146a92@mail.gmail.com>
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On Mon, 18 Jan 2010 21:41:53 -0500 Garrett Moore <garrettmoore@gmail.com> wrote about Re: immense delayed write to file system (ZFS and UFS2), performance issues: GM> The drives being discussed in my related thread (regarding poor GM> performance) are all WD Green drives. I have used wdidle3 to set all GM> of my drive timeouts to 5 minutes. I'll see what sort of difference GM> this makes for performance. GM> Even if it makes no difference to performance, thank you for pointing GM> it out GM> -- my drives have less than 2,000 hours on them and were all over GM> 90,000 load cycles due to this moronic factory setting. Since changing GM> the timeout, they haven't parked (which is what I would expect). Thanks for bringing up this topic here. I have drives showing up close to 800000 load cycle counts here. Guess it's time for that fix... :-| cu Gerrit
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