Date: Wed, 24 Jul 2013 11:01:24 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: aurfalien <aurfalien@gmail.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: TRIM and changing mount options Message-ID: <20130724160124.GD82464@dan.emsphone.com> In-Reply-To: <437A347C-B4E8-4648-ABB4-F8378955F83F@gmail.com> References: <316706C7-F038-4110-BB36-8EDFF9DC6A6B@gmail.com> <20130724025547.GC82464@dan.emsphone.com> <437A347C-B4E8-4648-ABB4-F8378955F83F@gmail.com>
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In the last episode (Jul 23), aurfalien said: > On Jul 23, 2013, at 7:55 PM, Dan Nelson wrote: > > In the last episode (Jul 23), aurfalien said: > >> At any rate, could some one; > >> > >> a) Explain how I am loading my file system as I'm used to fstab? > >> b) How to run tunefs on my zroot > >> c) How to determine if I actually have the needed TRIM support in my > >> kernel > > > I'm not sure if there's a way to query TRIM status on arbitrary geom > > providers, but you can see whether zfs successfully sent any TRIM > > requests by watching the output of "sysctl kstat.zfs.misc.zio_trim". If > > .zio_trim.success increments and .unsupported (or .failed) doesn't, then > > you know that it's working. > > Looks like I don't have it. > > I keep reading that I must download the patch and make it which is not an > issue. > > But I can't seem to find it. > > I've dl'd the 9.2 beta in hopes to check its src and see if its there. > > Looks like all I really need is the current rel. ZFS TRIM support was MFC'd into the 9 branch in June, so it wasn't in 9.1 but will be available in 9.2: http://svnweb.freebsd.org/base?view=revision&revision=251419 -- Dan Nelson dnelson@allantgroup.com
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