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From "Funs Kessen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-1025) If an ISO is deleted there is no check if the ISO is actually attached to a guest or not.
Date Mon, 21 Jan 2013 13:26:13 GMT
Funs Kessen created CLOUDSTACK-1025:
---------------------------------------

             Summary: If an ISO is deleted there is no check if the ISO is actually attached
to a guest or not.
                 Key: CLOUDSTACK-1025
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1025
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: ISO
    Affects Versions: 4.0.0
            Reporter: Funs Kessen
            Priority: Minor


It's possible to remove ISO images that are still attached to VMs, this results in the hypervisor
having stale NFS handles and IO errors on the non existing attached ISO.

for example:
Jan 21 13:33:07 XXXXXX tapdisk[6360]: /var/run/sr-mount/f1c9b60b-516f-9f9d-9c1c-2021505f2c51/238-7-2e48e390-9f0d-31bb-92b2-71ca50d0e349.iso:
__tapdisk_vbd_complete_td_request: 185 messages suppressed
Jan 21 13:33:07 XXXXXX tapdisk[6360]: ERROR: errno -116 at __tapdisk_vbd_complete_td_request:
req tap-1.0: read 0x0008 secs @ 0x00000000 - Stale NFS file handle
Jan 21 13:33:07 XXXXXX last message repeated 14 times
Jan 21 13:33:07 XXXXXX tapdisk[6360]: ERROR: errno -116 at __tapdisk_vbd_complete_td_request:
req tap-1.0: read 0x0008 secs @ 0x00000010 - Stale NFS file handle
Jan 21 13:33:07 XXXXXX tapdisk[6360]: /var/run/sr-mount/f1c9b60b-516f-9f9d-9c1c-2021505f2c51/238-7-2e48e390-9f0d-31bb-92b2-71ca50d0e349.iso:
__tapdisk_vbd_complete_td_request: too many errors, dropped.
Jan 21 13:33:07 XXXXXX kernel: end_request: I/O error, dev tdb, sector 0
Jan 21 13:33:07 XXXXXX last message repeated 14 times


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