Date: Fri, 08 May 2015 14:49:41 -0400 From: Mike Tancsa <mike@sentex.net> To: Warren Block <wblock@wonkity.com> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: enabling TRIM on an existing UFS file system ? Message-ID: <554D0545.6090806@sentex.net> In-Reply-To: <alpine.BSF.2.20.1505081236260.27229@wonkity.com> References: <554CCE55.9090307@sentex.net> <alpine.BSF.2.20.1505081236260.27229@wonkity.com>
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On 5/8/2015 2:39 PM, Warren Block wrote: >> >> But once I boot up, it seems to be disabled again ? > > Right. Don't 'exit' there after changing a setting. Instead, 'shutdown > -r now' and check it again. Once the setting has been changed, it will > stick. (Something about the filesystem details not being reread, but I > forget the exact details.) Ha, That did it! 0(mdt)# tunefs -p /dev/ada0p2 tunefs: POSIX.1e ACLs: (-a) disabled tunefs: NFSv4 ACLs: (-N) disabled tunefs: MAC multilabel: (-l) disabled tunefs: soft updates: (-n) enabled tunefs: soft update journaling: (-j) enabled tunefs: gjournal: (-J) disabled tunefs: trim: (-t) enabled tunefs: maximum blocks per file in a cylinder group: (-e) 4096 tunefs: average file size: (-f) 16384 tunefs: average number of files in a directory: (-s) 64 tunefs: minimum percentage of free space: (-m) 8% tunefs: space to hold for metadata blocks: (-k) 6408 tunefs: optimization preference: (-o) time tunefs: volume label: (-L) 0(mdt)# After I posted, I really did think to myself, "I bet wblock will know" ;-) Thanks! ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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