Re: [Xen-API] problem accessing lvmoiscsi vhd : libvhd::vhd_validate_footer: invalid footer cookie:

[Julian Chesterfield <julian.chesterfield@xxxxxxxxxxxxx>]

Hi Denis,

This sounds possibly like a different sort of failure to the hotfix 
issue. Can you run an sr-scan on that SR and check the output. See if 
you get a failure and entries in the /var/log/SMlog file that indicate 
vhd-util scan was unable to read VHD headers.
Thanks,
Julian

On 16/05/11 15:31, Denis Cardon wrote:
> Hi everyone,
>
> this is my first post on this list, I hope I won't be off topic (Dave
> Scott's last post make me think that VDI issue are covered here).
>
> I think I have a VHD that has been victim of the bug covered in the
> Hotfix XS56EFP1006 (http://support.citrix.com/article/CTX129267). I've
> attached a /var/log/xensource output below.
>
> I'd like to know what are the option to get the data in that VDI? Is it
> possible to apply the fix on a XCP 1.0 pool? (2 servers, storage on
> lvmoicsi).
>
> Thanks for the help,
>
> Denis
>
>
> May 16 10:28:26 srvxen1 tapdisk[2893]: tapdisk-control: init, 10 x 4k
> buffers
> May 16 10:28:26 srvxen1 tapdisk[2893]: I/O queue driver: lio
> May 16 10:28:26 srvxen1 tapdisk[2893]: tapdisk-log: started, level 0
> May 16 10:28:26 srvxen1 tapdisk[2893]: Loading driver 'vhd' for vbd 10
> /dev/VG_XenStorage-f489b51d-7b20-62a7-d9f3-829a149cfb2e/VHD-847c6b12-de04-446d-9551-6b8ebc4e01d8
> 0x00000000
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_validate_footer:
> invalid footer cookie:
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_read_footer_at:
> /dev/VG_XenStorage-f489b51d-7b20-62a7-d9f3-829a149cfb2e/VHD-847c6b12-de04-446d-9551-6b8ebc4e01d8:
> reading footer at 0x2017ffe00 failed: -22
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_read:
> /dev/VG_XenStorage-f489b51d-7b20-62a7-d9f3-829a149cfb2e/VHD-847c6b12-de04-446d-9551-6b8ebc4e01d8:
> read of 512 returned 0, errno: -22
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_validate_footer:
> invalid footer cookie:
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_read_short_footer:
> /dev/VG_XenStorage-f489b51d-7b20-62a7-d9f3-829a149cfb2e/VHD-847c6b12-de04-446d-9551-6b8ebc4e01d8:
> failed reading short footer: -22
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_validate_footer:
> invalid footer cookie:
> May 16 10:28:26 srvxen1 tapdisk[2893]: libvhd::vhd_read_footer_at:
> /dev/VG_XenStorage-f489b51d-7b20-62a7-d9f3-829a149cfb2e/VHD-847c6b12-de04-446d-9551-6b8ebc4e01d8:
> reading footer at 0x00000000 failed: -22
> May 16 10:28:26 srvxen1 tapdisk[2893]: tap-err:__vhd_open: Unable to
> open
> [/dev/VG_XenStorage-f489b51d-7b20-62a7-d9f3-829a149cfb2e/VHD-847c6b12-de04-446d-9551-6b8ebc4e01d8]
> (-22)!
> May 16 10:28:26 srvxen1 tap-ctl: tap-err:tap_ctl_open: open failed, err -22
> May 16 10:28:26 srvxen1 tapdisk[2893]: tapdisk-log: closing after 0 errors
> May 16 10:28:26 srvxen1 tapdisk[2893]: tapdisk-syslog: 6 messages, 450
> bytes, xmits: 7, failed: 0, dropped: 0
> May 16 10:28:26 srvxen1 tapdisk[2893]: tapdisk-control: draining 1
> connections
> May 16 10:28:26 srvxen1 tapdisk[2893]: tapdisk-control: done
> May 16 10:28:26 srvxen1 fe: 2813 (/opt/xensource/sm/LVMoISCSISR
> <methodCall><methodName>vdi_activate</methodNam...) exitted with code 1
> May 16 10:28:26 srvxen1 xapi: [error|srvxen1.pnrvf.local|1080378
> unix-RPC|VM.start R:340b87ae50bc|xapi] Memory F 493288 KiB S 0 KiB T
> 12278 MiB
>    
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