When this happens I'm also seeing the following output in /var/log/messages on my XenServer box:
Oct 3 09:08:48 dev3 vhd-util: libvhd::vhd_read: /var/run/sr-mount/934ab597-ff32-94f6-c1da-9213c7f02a65/49a735c9-00f9-437e-ba9c-2700b5e7ea63.vhd: read of 512 returned 0, errno: -22 Oct 3 09:08:48 dev3 vhd-util: libvhd::vhd_validate_footer: invalid footer cookie: Oct 3 09:08:48 dev3 vhd-util: libvhd::vhd_read_short_footer: /var/run/sr-mount/934ab597-ff32-94f6-c1da-9213c7f02a65/49a735c9-00f9-437e-ba9c-2700b5e7ea63.vhd: failed reading short footer: -22 Oct 3 09:08:48 dev3 vhd-util: libvhd::vhd_validate_footer: invalid footer cookie: Oct 3 09:08:48 dev3 vhd-util: libvhd::vhd_read_footer_at: /var/run/sr-mount/934ab597-ff32-94f6-c1da-9213c7f02a65/49a735c9-00f9-437e-ba9c-2700b5e7ea63.vhd: reading footer at 0x54aa7e00 failed: -22 Oct 3 09:08:48 dev3 fe: 4535 (/opt/xensource/sm/EXTSR <methodCall><methodName>vdi_resize_online</methodName...) exitted with code 0
When this happens I'm also seeing the following output in /var/log/messages on my XenServer box:
Oct 3 09:08:48 dev3 vhd-util: libvhd::vhd_read: /var/run/ sr-mount/ 934ab597- ff32-94f6- c1da-9213c7f02a 65/49a735c9- 00f9-437e- ba9c-2700b5e7ea 63.vhd: read of 512 returned 0, errno: -22 :vhd_validate_ footer: invalid footer cookie: :vhd_read_ short_footer: /var/run/ sr-mount/ 934ab597- ff32-94f6- c1da-9213c7f02a 65/49a735c9- 00f9-437e- ba9c-2700b5e7ea 63.vhd: failed reading short footer: -22 :vhd_validate_ footer: invalid footer cookie: :vhd_read_ footer_ at: /var/run/ sr-mount/ 934ab597- ff32-94f6- c1da-9213c7f02a 65/49a735c9- 00f9-437e- ba9c-2700b5e7ea 63.vhd: reading footer at 0x54aa7e00 failed: -22 /sm/EXTSR <methodCall> <methodName> vdi_resize_ online< /methodName. ..) exitted with code 0
Oct 3 09:08:48 dev3 vhd-util: libvhd:
Oct 3 09:08:48 dev3 vhd-util: libvhd:
Oct 3 09:08:48 dev3 vhd-util: libvhd:
Oct 3 09:08:48 dev3 vhd-util: libvhd:
Oct 3 09:08:48 dev3 fe: 4535 (/opt/xensource