Funs Kessen created CLOUDSTACK-1025:
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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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