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Date:      Fri, 29 Nov 2013 13:49:04 -0800 (PST)
From:      Beeblebrox <zaphod@berentweb.com>
To:        freebsd-fs@freebsd.org
Subject:   Re: ZFS Trim
Message-ID:  <1385761744784-5864851.post@n5.nabble.com>
In-Reply-To: <09C05F6302494B61A52C1C5065C719CE@multiplay.co.uk>
References:  <1385723204127-5864731.post@n5.nabble.com> <67B55680E8B7491D9ED6F36ED9E28A49@multiplay.co.uk> <1385753577419-5864830.post@n5.nabble.com> <09C05F6302494B61A52C1C5065C719CE@multiplay.co.uk>

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Code in /boot/loader.conf needs to be:
vfs.zfs.trim.enabled = *1*
"0" disables trim.

Very dumb question on my part, and windows related probably but, when
searching the issue answers like this come up: 
https://sort.symantec.com/public/documents/sfha/6.0.1/linux/productguides/html/virtualstore_admin/ch29s05.htm
ZFS is probably immune to this. My question is in context of
"trim.unsupported":

kstat.zfs.misc.zio_trim.bytes: 16388096
kstat.zfs.misc.zio_trim.success: 1668
kstat.zfs.misc.zio_trim.unsupported: 197
kstat.zfs.misc.zio_trim.failed: 0




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FreeBSD-11-current_amd64_root-on-zfs_RadeonKMS
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