Installation guide

Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(6)

OL-27554-01

Caveats

Symptom: On an Cisco MDS 9513 switch, SCSI traffic sent from a LUN to a device configured for

IVR or FC Redirect gets dropped.

This symptom occurs when the LUN numbers end with 0x2x, 0x22, or 0x81.

Workaround: This issue is resolved.

• CSCua04249

Symptom: A FICON tape acceleration (FTA) control message that was received out of sequence

caused the MSM-18/4 module to fail. This symptom occurred when FTA was enabled for read

acceleration.

Workaround: This issue is resolved.

• CSCua15818

Symptom: Following an IVR zone set activation, a Cisco MDS 9148 switch loses connectivity

within a VSAN.

Workaround: This issue is resolved.

• CSCua47533

Symptom: When FTA is disabled, a module reloads due to a null device entry.

Workaround: This issue is resolved.

• CSCua61044

Symptom: A device that is attached to a Cisco MDS 9000 48-port 8-Gbps Advanced Fibre Channel

Switching Module (DS-X9248-256K9) or a Cisco MDS 9000 32-port 8-Gbps Advanced Fibre

Channel Switching Module (DS-X9232-256K9) is not able to communicate with other devices.

This symptom occurs only when a port on the DS-X9248-256K9 or DS-X9232-256K9 module is

zoned to more than 146 unique devices.

The following errors can be seen in the log of the DS-X9248-256K9 or DS-X9232-256K9 module:

switch# show process acltcam internal errors

1) Event:E_DEBUG, length:84, at 359632 usecs after Tue Jun 19 23:34:44 2012

[109] Program rqst sync failed. Fwd-eng:0(IN) ifIndex: 0x1104000, status:

0x404e0005

2) Event:E_DEBUG, length:65, at 359603 usecs after Tue Jun 19 23:34:44 2012

[112] Failed: tcamwrapv2_tcam_ssram_write, 155 entries, errno: 28

Workaround: This issue is resolved.

• CSCtr20364

Symptom: An RSCN is not sent to zone members in the IVR remote VSAN when the physical

interface goes down.

This symptom occurs when the devices are in an IVR zone. An RSCN is sent to local IVR VSAN

zone members, but not to remote IVR VSAN zone members.

Workaround: This issue is resolved.

• CSCtr41519

Symptom: An ISSU might fail with the following message:

%MODULE-2-LCM_UPGRADE_READY_GENERAL_FAIL:

Upgrade ready message fails SAP Zone server

This symptom occurs when suspended VSANs trigger it.

Workaround: This issue is resolved.