Date: Tue, 29 Mar 2011 12:20:45 -0500 From: Adam Vande More <amvandemore@gmail.com> To: Claus Guttesen <kometen@gmail.com> Cc: Alexander Leidinger <Alexander@leidinger.net>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: zfs, nfs and zil Message-ID: <AANLkTim1HvyP3iLXLYDa_SsRSdG=JH6Annqhrg=PcFAa@mail.gmail.com> In-Reply-To: <BANLkTiknikVSS_aRRwFEVXAcWx=Aqk9WZg@mail.gmail.com> References: <BANLkTinZvLDkmUNHmDGQpQFRr31s=hyHuQ@mail.gmail.com> <20110328164113.70512us1tv7w5gcg@webmail.leidinger.net> <BANLkTiknikVSS_aRRwFEVXAcWx=Aqk9WZg@mail.gmail.com>
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On Mon, Mar 28, 2011 at 11:46 AM, Claus Guttesen <kometen@gmail.com> wrote: > I'm aware of that, but the only way the problem shows up is when a > windows machine performs an installation or a windows update (and has > alot of updates in the pipeline). When traffic (i/o) is low to > moderate it justs goes along without any issues. And if the same > virtual windows-installation is on an iscsi-partition (mounted by the > vmware-server) I can't reproduce the problem. So if disabling the zil > did make a difference I would install a dedicated zil-ssd-device. And > if that did alleviate my problem the issue could be related to windows > performing alot of small reads and writes. Hence why I wanted to > disable the zil. > What did someone say about shooting yourself on the foot? http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Disabling_the_ZIL_.28Don.27t.29 I don't think you can even disable it on newer versions of ZFS so it may be something of a moot point. -- Adam Vande More
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