From: Paolo Bonzini <pbonzini@redhat.com>
To: Libaiqing <libaiqing@huawei.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] trim in windows guest witch virtio
Date: Tue, 23 Jul 2013 08:34:49 +0200 [thread overview]
Message-ID: <51EE2409.7030501@redhat.com> (raw)
In-Reply-To: <5D9ACBBCF6B270468D615C4719A59BE363DFE97F@szxeml548-mbx.china.huawei.com>
Il 23/07/2013 03:05, Libaiqing ha scritto:
> Hi paolo,
> Recently I test trim function,and it works well in linux guest with ext4 fs.
>
> How to test it in windows guest? I got some info like this:
> 1 windows7 can send discard command when the storage device is ssd;
> 2 find a tool like 'fstrim', 'TRIM' the volume manually.
I think it only works with IDE and AHCI on Windows. You need a filter
driver to send it on SCSI disks.
Paolo
next prev parent reply other threads:[~2013-07-23 6:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 1:05 [Qemu-devel] trim in windows guest witch virtio Libaiqing
2013-07-23 6:34 ` Paolo Bonzini [this message]
2013-07-24 0:53 ` Libaiqing
2013-07-24 6:45 ` Paolo Bonzini
2013-07-24 7:52 ` Libaiqing
2013-07-24 7:57 ` Paolo Bonzini
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