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From: "Ricardo Sanchez" <sanchez.ricardo@gmail.com>
Date: Tue, 16 May 2006 18:39:36 -0400
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Subject: [linux-lvm] Problem doing basic LVM functions
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I created a basic volume group named "uservg" and added two PVs to it
successfully.

After doing this, I deleted the partitions to the disks...
Every time I try to do a vgscan or vgremove it gives the following output:

nbd0: Attempted send on closed socket
end_request: I/O Error, dev nbd0, sector 0
printk: 7 messages suppressed.
Buffer  I/O Error on device nbd0, logical block 0
Buffer  I/O Error on device nbd0, logical block 1
Buffer  I/O Error on device nbd0, logical block 2
nbd0: Attempted send on closed socket
/dev/nb0: read failed after 0 of 4096 at 0: Input/output error
 /dev/nb0: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb0: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb1: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb1: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb2: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb2: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb3: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb3: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb4: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb4: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb5: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb5: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb6: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb6: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb7: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb7: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb8: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb8: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb9: read failed after 0 of 4096 at 2199022141440: Input/output error
  /dev/nb9: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb10: read failed after 0 of 4096 at 2199022141440: Input/output
error
  /dev/nb10: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb11: read failed after 0 of 4096 at 2199022141440: Input/output
error
  /dev/nb11: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb12: read failed after 0 of 4096 at 2199022141440: Input/output
error
  /dev/nb12: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb13: read failed after 0 of 4096 at 2199022141440: Input/output
error
  /dev/nb13: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb14: read failed after 0 of 4096 at 2199022141440: Input/output
error
  /dev/nb14: read failed after 0 of 4096 at 0: Input/output error
  /dev/nb15: read failed after 0 of 4096 at 2199022141440: Input/output
error
  /dev/nb15: read failed after 0 of 4096 at 0: Input/output error


And it just hangs there. Can anyone help?

Thanks

Ricardo