From: Konrad Rzeszutek Wilk <konrad@kernel.org>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xensource.com, Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: LVM Checksum error when using persistent grants (#linux-next + stable/for-jens-3.8)
Date: Fri, 7 Dec 2012 09:22:23 -0500 [thread overview]
Message-ID: <20121207142222.GA3303@phenom.dumpdata.com> (raw)
In-Reply-To: <20121206031455.GA4408@phenom.dumpdata.com>
On Wed, Dec 05, 2012 at 10:14:55PM -0500, Konrad Rzeszutek Wilk wrote:
> Hey Roger,
>
> I am seeing this weird behavior when using #linux-next + stable/for-jens-3.8 tree.
To make it easier I just used v3.7-rc8 and merged stable/for-jens-3.8
tree.
>
> Basically I can do 'pvscan' on xvd* disk and quite often I get checksum errors:
>
> # pvscan /dev/xvdf
> PV /dev/xvdf2 VG VolGroup00 lvm2 [18.88 GiB / 0 free]
> PV /dev/dm-14 VG vg_x86_64-pvhvm lvm2 [4.00 GiB / 68.00 MiB free]
> PV /dev/dm-12 VG vg_i386-pvhvm lvm2 [4.00 GiB / 68.00 MiB free]
> PV /dev/dm-11 VG vg_i386 lvm2 [4.00 GiB / 68.00 MiB free]
> PV /dev/sda VG guests lvm2 [931.51 GiB / 220.51 GiB free]
> Total: 5 [962.38 GiB] / in use: 5 [962.38 GiB] / in no VG: 0 [0 ]
> # pvscan /dev/xvdf
> /dev/xvdf2: Checksum error
> Couldn't read volume group metadata.
> /dev/xvdf2: Checksum error
> Couldn't read volume group metadata.
> PV /dev/dm-14 VG vg_x86_64-pvhvm lvm2 [4.00 GiB / 68.00 MiB free]
> PV /dev/dm-12 VG vg_i386-pvhvm lvm2 [4.00 GiB / 68.00 MiB free]
> PV /dev/dm-11 VG vg_i386 lvm2 [4.00 GiB / 68.00 MiB free]
> PV /dev/sda VG guests lvm2 [931.51 GiB / 220.51 GiB free]
> Total: 4 [943.50 GiB] / in use: 4 [943.50 GiB] / in no VG: 0 [0 ]
>
> This is with a i386 dom0, 64-bit Xen 4.1.3 hypervisor, and with either
> 64-bit or 32-bit PV or PVHVM guest.
And it does not matter if dom0 is 64-bit.
>
> Have you seen something like this?
More interestingly is that the failure is the frontend. I ran the "new"
guests that do persistent grants with the old backends (so v3.7-rc8
virgin) and still got the same failure.
>
> Note, the other LV disks are over iSCSI and are working fine.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
>
next prev parent reply other threads:[~2012-12-07 14:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-24 16:58 [PATCH v2] Persistent grant maps for xen blk drivers Roger Pau Monne
2012-10-29 13:57 ` Konrad Rzeszutek Wilk
2012-10-29 13:57 ` Konrad Rzeszutek Wilk
2012-10-30 17:01 ` Konrad Rzeszutek Wilk
2012-10-30 17:01 ` Konrad Rzeszutek Wilk
2012-10-30 18:33 ` Roger Pau Monné
2012-10-30 18:33 ` Roger Pau Monné
2012-10-30 20:38 ` Konrad Rzeszutek Wilk
2012-10-30 20:38 ` Konrad Rzeszutek Wilk
2012-12-06 3:14 ` LVM Checksum error when using persistent grants (#linux-next + stable/for-jens-3.8) Konrad Rzeszutek Wilk
2012-12-07 10:08 ` Roger Pau Monné
2012-12-07 14:22 ` Konrad Rzeszutek Wilk [this message]
2012-12-07 17:05 ` Roger Pau Monné
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