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[dm-devel] Problem when creating snashots



Hi,

I'd like to create many snaphot of an image but I've got when I attemp to create the 32th snapshot :

root B03:/diplome# lvcreate -s -L150M -n 232 /dev/openvz/vps-core
  Rounding up size to full physical extent 152.00 MB
  device-mapper: reload ioctl failed: Ne peut allouer de la mémoire
  Failed to suspend origin vps-core

I don't understand the error..

This what I get when scaning the LVM :

root B03-PC:/diplome# lvscan
  ACTIVE   Original '/dev/openvz/vps-core' [200.00 MB] inherit
  ACTIVE            '/dev/openvz/232' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/201' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/202' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/203' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/204' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/205' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/206' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/207' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/208' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/209' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/210' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/211' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/212' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/213' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/214' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/215' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/216' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/217' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/218' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/219' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/220' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/221' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/222' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/223' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/224' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/225' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/226' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/227' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/228' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/229' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/230' [152.00 MB] inherit
  ACTIVE   Snapshot '/dev/openvz/231' [152.00 MB] inherit

What can I do? Is it some limitation when snapshoting?

Info :

root B03:/diplome# uname -r
2.6.16-026test014

Thank you




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