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On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: |
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> On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey <peter@××××××××××××.uk> |
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wrote: |
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> > Incidentally, what's the received wisdom on frequency of file-system |
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> > trimming on SSDs these days? I've seen values quoted between twice a day |
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> > and once a week. And how does trimming affect btrfs? |
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> |
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> I've been trimming mine daily, and I've yet to be able to distinguish |
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> it from a no-op. As far as I can tell fstrim -v always outputs 0 |
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> bytes trimmed. |
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|
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I've just run fstrim manually on my LAN server, which is installed on ext4: |
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# /sbin/fstrim -av |
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/usr/local: 0 B (0 bytes) trimmed |
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/usr/portage/packages: 71.4 MiB (74878976 bytes) trimmed |
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/usr/portage: 389.3 MiB (408174592 bytes) trimmed |
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/var/cache/http-replicator: 0 B (0 bytes) trimmed |
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/var/cache/squid: 41.5 MiB (43532288 bytes) trimmed |
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/home: 123.1 MiB (129081344 bytes) trimmed |
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/: 698.9 MiB (732839936 bytes) trimmed |
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It's supposed to have done that at 01:15 on Saturday, but my KMail system is |
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sick so I can't say what it actually did. Roll on new SSDs! |
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|
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-- |
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Rgds |
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Peter |
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