From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexandre DERUMIER <aderumier@odiso.com>,
qemu-devel <qemu-devel@nongnu.org>, Fam Zheng <famz@redhat.com>
Subject: Re: [Qemu-devel] qmp block-mirror hang, lots of nfs op/s on nfs source disk
Date: Mon, 11 May 2015 13:46:54 +0200 [thread overview]
Message-ID: <555096AE.2070706@redhat.com> (raw)
In-Reply-To: <1050461611.181154015.1431344303354.JavaMail.zimbra@oxygem.tv>
On 11/05/2015 13:38, Alexandre DERUMIER wrote:
> Hi,
>
> I'm currently playing with drive-mirror, (qemu 2.2)
>
> and I have qmp hang when drive-mirror is starting.
>
> just after qmp "drive-mirror" exec, qmp socket or hmp are not
> responding.
>
> After some times it's working again, and I can see result of
> query-block-jobs.
>
>
> The source volume is on nfs (v4), and it seem that the bigger the
> volume is, the bigger I need to wait before the mirror begin.
That is because drive-mirror checks the whole disk for allocated areas.
We are aware of that and Fam (CCed) is working on it. Thanks for the
report nevertheless!
Paolo
next prev parent reply other threads:[~2015-05-11 11:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-11 11:38 [Qemu-devel] qmp block-mirror hang, lots of nfs op/s on nfs source disk Alexandre DERUMIER
2015-05-11 11:46 ` Paolo Bonzini [this message]
2015-05-11 12:03 ` Alexandre DERUMIER
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