Date: Thu, 14 Nov 2013 21:02:26 +0000 From: "Teske, Devin" <Devin.Teske@fisglobal.com> To: Mark Felder <feld@FreeBSD.org> Cc: freebsd-fs <freebsd-fs@freebsd.org>, Devin Teske <dteske@freebsd.org>, "Teske, Devin" <Devin.Teske@fisglobal.com>, Allan Jude <freebsd@allanjude.com> Subject: Re: Defaults in 10.0 ZFS through bsdinstall Message-ID: <55232624-3B76-4781-91E0-0C2A6260144D@fisglobal.com> In-Reply-To: <1384462198.13183.47596065.6F8E7BCD@webmail.messagingengine.com> References: <20131114173423.GA21761@blazingdot.com> <59A9B68B-4134-4217-83F3-B99759174EFE@fisglobal.com> <5285148E.6020903@allanjude.com> <3D3332FA-0ABF-4573-8E65-4E7FBB37100B@fisglobal.com> <1384462198.13183.47596065.6F8E7BCD@webmail.messagingengine.com>
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On Nov 14, 2013, at 12:49 PM, Mark Felder wrote: > On Thu, Nov 14, 2013, at 12:35, Teske, Devin wrote: >> Correction: Allan Jude said the following... NB: You replied to an e-mail that had bad quoting (which I fixed in a later reply) >> I have never heard a good argument for having atime on. The performance >> penalty on ZFS is quite large, and it also makes your snapshots grow >> constant. If you have a use for it, you can turn it on I guess. This >> would be solved by having the dataset editor we're planning for 10.1 >> > > POLA and POSIX, even though it was a bad decision to invent atime :-) > We've never turned atime off before and it would be a huge surprise to > me, so I'd avocate that we let the admins who know what they're doing > turn it off. I know many Linux distros install with noatime and/or > nodiratime, but I'm 99% sure tools don't create filesystems with atime > flagged to be off by default (tune2fs -O noatime). > Fair enough... I'll hold out for Allan's +1 since I didn't have anything to do with this. > We don't even do installs on UFS with atime disabled by default in fstab > so why should we so suddenly change course for ZFS? > You've made a good point. -- Devin _____________ The information contained in this message is proprietary and/or confidential. If you are not the intended recipient, please: (i) delete the message and all copies; (ii) do not disclose, distribute or use the message in any manner; and (iii) notify the sender immediately. In addition, please be aware that any message addressed to our domain is subject to archiving and review by persons other than the intended recipient. Thank you.
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