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Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded se
From: |
Alexandre DERUMIER |
Subject: |
Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors |
Date: |
Fri, 26 Jun 2015 15:58:39 +0200 (CEST) |
>>With nfs as source storage, it's really slow currently (lseek slow + a lot of
>>nfs ops).
it's blocked around 30min for 300GB, with a raw file on a netapp san array
through nfs.
----- Mail original -----
De: "aderumier" <address@hidden>
À: "Fam Zheng" <address@hidden>
Cc: "Kevin Wolf" <address@hidden>, address@hidden, "Jeff Cody"
<address@hidden>, "qemu-devel" <address@hidden>, "qemu-stable"
<address@hidden>, "stefanha" <address@hidden>, "pbonzini" <address@hidden>,
address@hidden, address@hidden
Envoyé: Vendredi 26 Juin 2015 15:36:10
Objet: Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded
sectors
Hi,
>>There is no problem, the observasion by Andrey was just that qmp command
>>takes
>>a few minutes before returning, because he didn't apply
>>
>>https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg02511.html
Is this patch already apply on the block tree ?
With nfs as source storage, it's really slow currently (lseek slow + a lot of
nfs ops).
----- Mail original -----
De: "Fam Zheng" <address@hidden>
À: "pbonzini" <address@hidden>
Cc: "Kevin Wolf" <address@hidden>, address@hidden, "Jeff Cody"
<address@hidden>, "qemu-devel" <address@hidden>, "qemu-stable"
<address@hidden>, "stefanha" <address@hidden>, address@hidden, address@hidden
Envoyé: Jeudi 25 Juin 2015 12:45:38
Objet: Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded
sectors
On Thu, 06/25 09:02, Fam Zheng wrote:
> On Wed, 06/24 19:01, Paolo Bonzini wrote:
> >
> >
> > On 24/06/2015 11:08, Fam Zheng wrote:
> > >> Stefan,
> > >>
> > >> The only controversial patches are the qmp/drive-mirror ones (1-3),
> > >> while
> > >> patches 4-8 are still useful on their own: they fix the mentioned crash
> > >> and
> > >> improve iotests.
> > >>
> > >> Shall we merge the second half (of course none of them depend on 1-3)
> > >> now that
> > >> softfreeze is approaching?
> > >
> > > Stefan, would you consider applying patches 4-8?
> >
> > Actually why not apply all of them? Even if blockdev-mirror is a
> > superior interface in the long run, the current behavior of drive-mirror
> > can cause images to balloon up to the full size, which is bad.
> > Extending drive-mirror is okay IMHO for 2.4.
> >
>
> Before we do that, Andrey Korolyov has reported a hang issue with unmap=true,
> I'll take a look at it today.
There is no problem, the observasion by Andrey was just that qmp command takes
a few minutes before returning, because he didn't apply
https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg02511.html
Fam
- [Qemu-devel] [PATCH v7 6/8] qemu-iotests: Make block job methods common, (continued)
- [Qemu-devel] [PATCH v7 6/8] qemu-iotests: Make block job methods common, Fam Zheng, 2015/06/08
- [Qemu-devel] [PATCH v7 7/8] qemu-iotests: Add test case for mirror with unmap, Fam Zheng, 2015/06/08
- [Qemu-devel] [PATCH v7 8/8] iotests: Use event_wait in wait_ready, Fam Zheng, 2015/06/08
- Re: [Qemu-devel] [PATCH v7 0/8] block: Mirror discarded sectors, Stefan Hajnoczi, 2015/06/08
- Re: [Qemu-devel] [PATCH v7 0/8] block: Mirror discarded sectors, Fam Zheng, 2015/06/11
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors, Fam Zheng, 2015/06/24
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors, Paolo Bonzini, 2015/06/24
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors, Fam Zheng, 2015/06/24
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors, Fam Zheng, 2015/06/25
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors, Alexandre DERUMIER, 2015/06/26
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors,
Alexandre DERUMIER <=
- Re: [Qemu-devel] [Qemu-stable] [PATCH v7 0/8] block: Mirror discarded sectors, Fam Zheng, 2015/06/28
Re: [Qemu-devel] [PATCH v7 0/8] block: Mirror discarded sectors, Stefan Hajnoczi, 2015/06/26