From: "Richard W.M. Jones" <rjones@redhat.com>
To: qemu-devel@nongnu.org
Cc: pbonzini@redhat.com
Subject: Re: [Qemu-devel] Trying to get fstrim / discard=unmap to work
Date: Mon, 10 Mar 2014 16:14:21 +0000 [thread overview]
Message-ID: <20140310161421.GB6744@redhat.com> (raw)
In-Reply-To: <20140310161119.GA6744@redhat.com>
On Mon, Mar 10, 2014 at 04:11:20PM +0000, Richard W.M. Jones wrote:
> Guest:
> - guest kernel: 3.13.4-200.fc20.x86_64
> - ext4 guest filesystem
> - fstrim from util-linux 2.24.1
> - cat /sys/block/sda/device/scsi_disk/*/provisioning_mode
> unmap
I noticed that I wasn't mounting the guest filesystem with '-o discard'.
However it still doesn't work even after adding this option.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine. Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/
next prev parent reply other threads:[~2014-03-10 16:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 16:11 [Qemu-devel] Trying to get fstrim / discard=unmap to work Richard W.M. Jones
2014-03-10 16:14 ` Richard W.M. Jones [this message]
2014-03-10 16:57 ` Paolo Bonzini
2014-03-10 17:15 ` Richard W.M. Jones
2014-03-11 20:00 ` Richard W.M. Jones
2014-03-12 17:55 ` Paolo Bonzini
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