HP 4400 HP StorageWorks Fabric OS 6.4.0c Release Notes (5697-0703, September 2 - Page 72

emulation XRC or Tape Read/Write, Fixed in Fabric OS 6.4.0c.

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Closed defect summary FCIP tunnel bounces on workload start, causing traffic disruption. Solution Fixed in Fabric OS 6.4.0c. Workaround prior to upgrade: Enable some sort of FICON emulation (XRC or Tape Read/Write Pipelining). When Lossless DLS is enabled, HA failover caused newly active CP to Fixed in Fabric OS 6.4.0c. disable the switch or cause switch panic. If switch is disabled, the ports remain disabled and the user has to enable the switch manually. Haenable command is not auto rebooting the standby CP when the standby CP is removed and reseated or replaced. As a result, the active and backup CP end up out of synch. Fixed in Fabric OS 6.4.0c. Workaround prior to upgrade: Reboot the standby CP manually. During tape reads, dropping the first and middle data frames results in Fixed in Fabric OS 6.4.0c. a connection timeout error, while dropping the last frame results in a hung host. FICON block count mismatch in tape read emulation (FCIP link). Fixed in Fabric OS 6.4.0c. Workaround prior to upgrade: Disable or do not enable FICON emulation. Unable to form an ISL with a 2Gb multiprotocol router with a switch running Fabric OS 6.4.0 firmware. Fixed in Fabric OS 6.4.0c. Workaround prior to upgrade: Connect the multiprotocol router to a switch running a pre-6.4.0 release. Fabric Watch does not detect the condition properly and generates the correct warning messages for port thresholding events. User sees SNMP1008 messages indicating last device change happened at HH:MM:SS, but no thresholding event indicating the count is above the threshold. Fixed in Fabric OS 6.4.0c. Backup/restore job fails with invalid record ID with FICON tape read extension. Fixed in Fabric OS 6.4.0c. Workaround prior to upgrade: Disable or do not enable FICON emulation for tape jobs. Path not brought online after path deactivation/reactivation in a large heavily-loaded FICON tape emulation configuration. Fixed in Fabric OS 6.4.0c. Workaround prior to upgrade: When FICON path control blocks are stuck at invalid state, disable the tunnel. If issues are occurring with FICON emulation and ESCON devices, disable FICON emulation. In the case of the failed tape job, resubmit it. 72

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Solution
Closed defect summary
Fixed in Fabric OS 6.4.0c.
Workaround prior to upgrade:
Enable some sort of FICON
emulation (XRC or Tape Read/Write
Pipelining).
FCIP tunnel bounces on workload start, causing traffic disruption.
Fixed in Fabric OS 6.4.0c.
When Lossless DLS is enabled, HA failover caused newly active CP to
disable the switch or cause switch panic. If switch is disabled, the ports
remain disabled and the user has to enable the switch manually.
Fixed in Fabric OS 6.4.0c.
Workaround prior to upgrade:
Reboot the standby CP manually.
Haenable command is not auto rebooting the standby CP when the
standby CP is removed and reseated or replaced. As a result, the active
and backup CP end up out of synch.
Fixed in Fabric OS 6.4.0c.
During tape reads, dropping the first and middle data frames results in
a connection timeout error, while dropping the last frame results in a
hung host.
Fixed in Fabric OS 6.4.0c.
Workaround prior to upgrade:
Disable or do not enable FICON
emulation.
FICON block count mismatch in tape read emulation (FCIP link).
Fixed in Fabric OS 6.4.0c.
Workaround prior to upgrade:
Connect the multiprotocol router to
a switch running a pre-6.4.0 release.
Unable to form an ISL with a 2Gb multiprotocol router with a switch
running Fabric OS 6.4.0 firmware.
Fixed in Fabric OS 6.4.0c.
Fabric Watch does not detect the condition properly and generates the
correct warning messages for port thresholding events. User sees SNMP-
1008 messages indicating last device change happened at HH:MM:SS,
but no thresholding event indicating the count is above the threshold.
Fixed in Fabric OS 6.4.0c.
Workaround prior to upgrade:
Disable or do not enable FICON
emulation for tape jobs.
Backup/restore job fails with invalid record ID with FICON tape read
extension.
Fixed in Fabric OS 6.4.0c.
Workaround prior to upgrade:
When FICON path control blocks
are stuck at invalid state, disable the
tunnel. If issues are occurring with
FICON emulation and ESCON
devices, disable FICON emulation.
In the case of the failed tape job,
resubmit it.
Path not brought online after path deactivation/reactivation in a large
heavily-loaded FICON tape emulation configuration.
72