From: martin f krafft <madduck@madduck.net>
To: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: Speeding up reading with RAID1 and --write-mostly
Date: Sat, 13 Sep 2014 18:23:01 +0200 [thread overview]
Message-ID: <20140913162301.GB14969@fishbowl.rw.madduck.net> (raw)
In-Reply-To: <CAH3kUhGEaon77fpNm2mjRwPbNMZe9BLK3eA6LTB4xQeg0hMF-Q@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 600 bytes --]
also sprach Roberto Spadim <roberto@spadim.com.br> [2014-09-13 13:56 +0200]:
> Try a bcache or something like it
The problem with a cache is that the data have to be read once from
the slow disk anyway, whereas I am proposing to keep a shadow copy
on rotational disk, really, just in case the MMC may need to be
removed at some point.
--
@martinkrafft | http://madduck.net/ | http://two.sentenc.es/
"a fundamentalist is someone who hates sin more than he loves virtue."
-- john h. schaar
spamtraps: madduck.bogus@madduck.net
[-- Attachment #2: Digital signature (see http://martin-krafft.net/gpg/sig-policy/999bbcc4/current) --]
[-- Type: application/pgp-signature, Size: 1107 bytes --]
next prev parent reply other threads:[~2014-09-13 16:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-13 6:01 Speeding up reading with RAID1 and --write-mostly martin f krafft
2014-09-13 11:56 ` Ethan Wilson
[not found] ` <CAH3kUhGEaon77fpNm2mjRwPbNMZe9BLK3eA6LTB4xQeg0hMF-Q@mail.gmail.com>
2014-09-13 16:23 ` martin f krafft [this message]
2014-09-15 4:11 ` NeilBrown
2014-09-15 7:44 ` martin f krafft
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140913162301.GB14969@fishbowl.rw.madduck.net \
--to=madduck@madduck.net \
--cc=linux-raid@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.