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>
next in thread | previous in thread | raw e-mail | index | archive | help
On Nov 14, 2013, at 12:49 PM, Mark Felder wrote: > On Thu, Nov 14, 2013, at 12:35, Teske, Devin wrote: >>=20 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 >>=20 >=20 > 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).=20 >=20 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? >=20 You've made a good point. --=20 Devin _____________ The information contained in this message is proprietary and/or confidentia= l. If you are not the intended recipient, please: (i) delete the message an= d all copies; (ii) do not disclose, distribute or use the message in any ma= nner; and (iii) notify the sender immediately. In addition, please be aware= that any message addressed to our domain is subject to archiving and revie= w by persons other than the intended recipient. Thank you.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?55232624-3B76-4781-91E0-0C2A6260144D>