From: Mike Snitzer <snitzer@redhat.com>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: [PATCH 0/4] fix snapshot flaws with 4k sectors
Date: Mon, 15 Mar 2010 10:08:03 -0400 [thread overview]
Message-ID: <20100315140803.GA6853@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.1003150145220.12526@hs20-bc2-1.build.redhat.com>
On Mon, Mar 15 2010 at 1:59am -0400,
Mikulas Patocka <mpatocka@redhat.com> wrote:
> BTW. if anyone wants to test his code with non-512-byte sector devices,
> you can use old Seagate U160 SCSI disks (Cheetah XL and before), they can
> be reformatted to 512-4096 byte sectors with sg_format command. They are
> no longer being manufactured, you can find them at internet auctions. The
> current U320 SCSI disks (Cheetah 10K.X or 15K.X) don't support large
> sectors, they only support 512-528 byte sector-size.
The scsi_debug modules can also be used to create 4K devices.
This is a software-only test-bed but it is bound by the amount of
available ram.
Mike
prev parent reply other threads:[~2010-03-15 14:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-15 5:59 [PATCH 0/4] fix snapshot flaws with 4k sectors Mikulas Patocka
2010-03-15 14:08 ` Mike Snitzer [this message]
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=20100315140803.GA6853@redhat.com \
--to=snitzer@redhat.com \
--cc=dm-devel@redhat.com \
/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.