From: Rich Freeman <rich0@gentoo.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2
Date: Tue, 19 May 2015 11:15:12 -0400 [thread overview]
Message-ID: <CAGfcS_=_SO5MEpZHiWGNAcGWVHqgq1hbyEyT06VDDHUSZ9NrTA@mail.gmail.com> (raw)
In-Reply-To: <1974724.vrJ2Jfp0RF@wstn>
On Tue, May 19, 2015 at 11:00 AM, Peter Humphrey <peter@prh.myzen.co.uk> wrote:
> On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote:
>> On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey <peter@prh.myzen.co.uk>
> wrote:
>> > Incidentally, what's the received wisdom on frequency of file-system
>> > trimming on SSDs these days? I've seen values quoted between twice a day
>> > and once a week. And how does trimming affect btrfs?
>>
>> I've been trimming mine daily, and I've yet to be able to distinguish
>> it from a no-op. As far as I can tell fstrim -v always outputs 0
>> bytes trimmed.
>
> Ah, well that's quite different from my Atom box with its 64GB SSD; before I
> remove the -v a few weeks ago it was reporting many megabytes trimmed most
> times it ran. That's on ext4 and running Gentoo with http-replicator service.
>
So, I was inspired to look into this yet again. Looks like it is the
subject of this:
https://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg40618.html
It doesn't look like this is in 3.18 yet. So, I'm basically running
without trimming.
--
Rich
next prev parent reply other threads:[~2015-05-19 15:15 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-17 11:48 [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2 Nuno Magalhães
2015-05-17 13:24 ` Peter Humphrey
2015-05-17 14:09 ` Rich Freeman
2015-05-17 15:35 ` covici
2015-05-17 15:43 ` Canek Peláez Valdés
2015-05-17 16:05 ` Peter Humphrey
2015-05-17 19:36 ` Stefan G. Weichinger
2015-05-17 20:48 ` Nuno Magalhães
2015-05-17 22:08 ` Stefan G. Weichinger
2015-05-17 22:44 ` Nuno Magalhães
2015-05-18 1:08 ` Rich Freeman
2015-05-18 18:21 ` Nuno Magalhães
2015-05-18 19:27 ` Rich Freeman
2015-05-19 6:15 ` Alan McKinnon
2015-05-19 9:02 ` Peter Humphrey
2015-05-19 10:13 ` Neil Bothwick
2015-05-19 12:54 ` Rich Freeman
2015-05-19 14:44 ` Peter Humphrey
2015-05-19 14:53 ` Rich Freeman
2015-05-19 15:00 ` Peter Humphrey
2015-05-19 15:15 ` Rich Freeman [this message]
2015-05-19 15:11 ` Peter Humphrey
2015-05-19 15:22 ` gottlieb
2015-05-19 15:34 ` Rich Freeman
2015-05-19 15:38 ` gottlieb
2015-05-19 16:23 ` covici
2015-05-19 20:17 ` Rich Freeman
2015-05-19 21:30 ` Stefan G. Weichinger
2015-05-19 15:21 ` Marc Joliet
2015-05-19 19:39 ` Nuno Magalhães
2015-05-20 9:16 ` Peter Humphrey
2015-05-20 9:23 ` Neil Bothwick
2015-05-20 9:42 ` Peter Humphrey
2015-05-20 10:23 ` Neil Bothwick
2015-05-20 11:56 ` Peter Humphrey
2015-05-20 12:20 ` Alan Mackenzie
2015-05-25 1:24 ` Bruce Hill
2015-05-20 10:26 ` Rich Freeman
2015-05-20 10:51 ` covici
2015-05-20 12:06 ` Neil Bothwick
2015-05-20 12:21 ` covici
2015-05-20 12:55 ` Neil Bothwick
2015-05-20 13:24 ` covici
2015-05-20 13:49 ` Neil Bothwick
2015-05-20 13:29 ` Mick
2015-05-20 13:47 ` Neil Bothwick
2015-05-20 12:01 ` Peter Humphrey
2015-05-20 12:08 ` Neil Bothwick
2015-05-20 14:26 ` Peter Humphrey
2015-05-20 15:08 ` Peter Humphrey
2015-05-20 16:46 ` Bob Wya
2015-05-20 17:04 ` J. Roeleveld
2015-05-20 20:34 ` Neil Bothwick
2015-05-20 20:35 ` Neil Bothwick
2015-05-21 8:13 ` Peter Humphrey
2015-05-21 8:33 ` Neil Bothwick
2015-05-21 11:34 ` Rich Freeman
2015-05-21 11:44 ` Peter Humphrey
2015-05-21 12:10 ` Neil Bothwick
2015-05-21 12:14 ` Neil Bothwick
2015-05-21 13:19 ` Rich Freeman
2015-05-21 14:06 ` Neil Bothwick
2015-05-21 12:13 ` Neil Bothwick
2015-05-20 10:19 ` Alec Ten Harmsel
2015-05-20 10:22 ` Neil Bothwick
2015-05-17 23:24 ` Neil Bothwick
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