[PVE-User] issue in backup

[Muhammad Yousuf Khan]

while i am backing up a machine named 117 it is not backup up completely
some time it stops at 11gb and some time it stops at 8gb however there is
another VM about the same size and and named 119. it got backed up in 2
hours as the machine is a bit huge and i had limit the bandwidth anyways.
you can see the result of machine 119 and 117, also i am adding references
from the error that i received in different commands.

VM 117 (two attempts of backup)
--------------
-rw-rw-rw-+ 1  96 96  11G Aug 14 05:13
vzdump-qemu-117-2011_08_14-03_00_06.dat
drwxrwsrwx+ 2  96 96   29 Aug 14 03:00
vzdump-qemu-117-2011_08_14-03_00_06.tmp
-rw-rw-rw-+ 1  96 96 8.2G Aug 15 00:52
vzdump-qemu-117-2011_08_14-23_00_02.dat
drwxrwsrwx+ 2  96 96   29 Aug 14 23:00
vzdump-qemu-117-2011_08_14-23_00_02.tmp

VM 119 ( Successful backup )
-------------
-rw-r--r--+ 1  96 96 1.3K Aug 14 20:52
vzdump-qemu-119-2011_08_14-19_00_02.log
-rw-rw-rw-+ 1  96 96  13G Aug 14 20:52
vzdump-qemu-119-2011_08_14-19_00_02.tgz


PVSCAN
--------------
/dev/dm-2: read failed after 0 of 4096 at 884779974656: Input/output error
  /dev/dm-2: read failed after 0 of 4096 at 884780032000: Input/output error
  /dev/dm-2: read failed after 0 of 4096 at 0: Input/output error

var/log/messages
---------------------------
 rsyslogd: [origin software="rsyslogd" swVersion="3.18.6" x-pid="2019"
x-info="http://www.rsyslog.com"] restart
Aug 15 06:25:15 assuretyconsulting kernel: lost page write due to I/O error
on dm-2

assuretyconsulting:/mnt/pve/NFS-450# lvs
  /dev/dm-2: read failed after 0 of 4096 at 0: Input/output error
  Found duplicate PV lyqI85wdBafz7lKRcrHUfcVHyYIFpaQy: using /dev/sdc not
/dev/sdb
  LV                          VG        Attr   LSize   Origin Snap%  Move
Log Copy%  Convert
  data                        pve       owi-ao 824.02G
  root                        pve       -wi-ao  96.00G
  swap                        pve       -wi-ao   7.00G
  vzsnap-assuretyconsulting-0 pve       Swi-Io   1.00G data   100.00
  vm-251-disk-1               pve-of-lv -wi-a-  15.00G

dmsetup remove

lvremove -f pve/vzsnap-assuretyconsulting-0
  /dev/dm-2: read failed after 0 of 4096 at 0: Input/output error
  Found duplicate PV lyqI85wdBafz7lKRcrHUfcVHyYIFpaQy: using /dev/sdc not
/dev/sdb
  Can't remove open logical volume "vzsnap-assuretyconsulting-0"



Thank you,

MYK
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