February 2010
Intermediate to advanced
460 pages
16h 22m
English
book
z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
by Paul Rogers, Robert Hering
Content preview from z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
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Chapter 4. Backup and recovery 179
Figure 4-31,
Systemnames is the list of system names.
Figure 4-31 Hang detection message IOEZ00547I
Finding a hanging thread
To find a hanging thread, the operator can use the F ZFS,QUERY,THREADS command to
determine if a thread is hanging, as shown in Figure 4-32.
Figure 4-32 Command to find a hanging thread
4.4.4 Command to break hangs
If hangs are detected or you suspect that users are hung in zFS, the operator can use the
following command to attempt to break the hang condition:
F ZFS,HANGBREAK
IOEZ00547I zFS has a potentially hanging XCF request on systems:
Systemnames
F ZFS,QUERY,THREADS
IOEZ00438I Starting Query ...
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