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Re: [Qemu-devel] [RFC] Disk integrity in QEMU
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [RFC] Disk integrity in QEMU |
Date: |
Fri, 10 Oct 2008 10:11:57 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Thu, Oct 09, 2008 at 12:00:41PM -0500, Anthony Liguori wrote:
[snip]
> So to summarize, I think we should enable O_DSYNC by default to ensure
> that guest data integrity is not dependent on the host OS, and that
> practically speaking, cache=off is only useful for very specialized
> circumstances. Part of the patch I'll follow up with includes changes
> to the man page to document all of this for users.
>
> Thoughts?
>
While I agree O_DSYNC should be the defaults, I wonder if we should keep
the current behaviour available for those who want it. We can imagine
the following options:
cache=off O_DIRECT
cache=read O_DSYNC (default)
cache=on 0
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' address@hidden | address@hidden
`- people.debian.org/~aurel32 | www.aurel32.net
- [Qemu-devel] [RFC] Disk integrity in QEMU, Anthony Liguori, 2008/10/09
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU,
Aurelien Jarno <=
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Anthony Liguori, 2008/10/10
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Paul Brook, 2008/10/10
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Anthony Liguori, 2008/10/10
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Paul Brook, 2008/10/10
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Avi Kivity, 2008/10/10
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Jens Axboe, 2008/10/17
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Avi Kivity, 2008/10/19
- Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Aurelien Jarno, 2008/10/10
Re: [Qemu-devel] [RFC] Disk integrity in QEMU, Avi Kivity, 2008/10/10