- Original Message -
From: Paolo Bonzini pbonz...@redhat.com
To: Andrew Martin amar...@xes-inc.com, Stefan Hajnoczi
stefa...@gmail.com
Cc: qemu-devel qemu-devel@nongnu.org
Sent: Tuesday, August 26, 2014 2:03:18 AM
Subject: Re: Using cache=writeback safely on qemu 1.4.0 and later
- Original Message -
From: Stefan Hajnoczi stefa...@gmail.com
To: Andrew Martin amar...@xes-inc.com
Cc: qemu-devel qemu-devel@nongnu.org
Sent: Thursday, August 21, 2014 7:59:50 AM
Subject: Re: [Qemu-devel] Using cache=writeback safely on qemu 1.4.0 and later
When the disk is set
- Original Message -
From: Stefan Hajnoczi stefa...@gmail.com
To: Andrew Martin amar...@xes-inc.com
Cc: qemu-devel@nongnu.org
Sent: Tuesday, August 19, 2014 9:59:25 AM
Subject: Re: [Qemu-devel] Using cache=writeback safely on qemu 1.4.0 and later
If you strace -f the QEMU process
written to
the disks several hours before the crash was corrupted, which makes me think
that it was never fsync()-ed to the non-volatile storage.
Is it safe in this setup to use cache=writeback? Or, should I use
cache=writethrough instead?
Thanks,
Andrew Martin
