[Xen-users] XCP - corrupted VDI footer ?

[Kristoffer Egefelt <kristoffer@xxxxxxx>]

Hi list,

I've seen corrupted footers on VDI's larger than 2TB, when physical machines 
crashed.

This time, the VDI is only 200GB, no physical machine has crashed and the 
virtual machine is functioning normally, but a SR rescan causes the following 
in the messages log (see below)

Any ideas how this happened, or what to do about it?

Thanks

Regards
Kristoffer


Dec 29 23:35:32 ad vhd-util: libvhd::vhd_read_footer_at: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 reading footer at 0x32197ffe00 failed: -22 
Dec 29 23:35:32 ad vhd-util: libvhd::vhd_read: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 read of 512 returned 0, errno: -22 
Dec 29 23:35:32 ad vhd-util: libvhd::vhd_read_short_footer: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 failed reading short footer: -22 
Dec 29 23:35:32 ad vhd-util: libvhd::vhd_read_footer_at: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 reading footer at 0x32197ffe00 failed: -22 
Dec 29 23:35:32 ad vhd-util: libvhd::vhd_read: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 read of 512 returned 0, errno: -22 
Dec 29 23:35:32 ad vhd-util: libvhd::vhd_read_short_footer: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 failed reading short footer: -22 
Dec 29 23:35:33 ad vhd-util: libvhd::vhd_read_footer_at: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 reading footer at 0x32197ffe00 failed: -22 
Dec 29 23:35:33 ad vhd-util: libvhd::vhd_read: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 read of 512 returned 0, errno: -22 
Dec 29 23:35:33 ad vhd-util: libvhd::vhd_read_short_footer: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 failed reading short footer: -22 
Dec 29 23:35:33 ad vhd-util: libvhd::vhd_read_footer_at: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 reading footer at 0x32197ffe00 failed: -22 
Dec 29 23:35:33 ad vhd-util: libvhd::vhd_read: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 read of 512 returned 0, errno: -22 
Dec 29 23:35:33 ad vhd-util: libvhd::vhd_read_short_footer: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 failed reading short footer: -22 
Dec 29 23:35:35 ad tapdisk[15898]: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 b: 102400, a: 3158, f: 987, n: 12968880 
Dec 29 23:35:35 ad tapdisk[15898]: closed image 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f
 (0 users, state: 0x00000000, type: 4) 
Dec 29 23:35:38 ad tapdisk[15898]: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f
 version: tap 0x00010003, b: 102400, a: 0, f: 0, n: 8455 
Dec 29 23:35:38 ad tapdisk[15898]: opened image 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f
 (1 users, state: 0x00000001, type: 4) 
Dec 29 23:35:38 ad tapdisk[15898]: 
/dev/VG_XenStorage-f60e4e9f-3b8a-0be7-07aa-59fdce05d4c3/VHD-35381293-f097-48e4-85cf-3382bc85446f:
 type:vhd(4) storage:lvm(3)
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