enabling TRIM on an existing UFS file system ?
Mike Tancsa
mike at sentex.net
Fri May 8 18:50:00 UTC 2015
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
--
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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada http://www.tancsa.com/
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