IJ45274: VSCSI CLIENT IO HANG MAY OCCUR WHEN VSCSI_PATH_TO IS SET. APPLIES TO AIX 7300-01

APAR status

• Closed as program error.

Error description

• ****************************************************************
  * USERS AFFECTED:
  * Systems running the 7300-01 Technology Level with
  * any of the following filesets at or between the given levels:
  * MIN          MAX          FILESET
  * 7.3.1.0      7.3.1.0      devices.vdevice.IBM.v-scsi.rte
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * IO hang may occur on vscsi client when vscsi_path_to attribute
  * is set on the vscsi adapter and the active VIOS serving the
  * client is halted immediately.
  ****************************************************************
  * RECOMMENDATION:
  * Update to AIX 7300-01-02-2320 or later.
  ****************************************************************
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:
  * Systems running the 7300-01 Technology Level with
  * any of the following filesets at or between the given levels:
  * MIN          MAX          FILESET
  * 7.3.1.0      7.3.1.0      devices.vdevice.IBM.v-scsi.rte
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * IO hang may occur on vscsi client when vscsi_path_to attribute
  * is set on the vscsi adapter and the active VIOS serving the
  * client is halted immediately.
  ****************************************************************
  * RECOMMENDATION:
  * Update to AIX 7300-01-02-2320 or later.
  ****************************************************************
  

Problem conclusion

• Indicate command failure to the caller (disk driver)
  irrespective of whether vscsi_path_to is set or not.
  

Temporary fix

Comments

• 7200-05 - use AIX APAR IJ45263
  7300-01 - use AIX APAR IJ45274
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

  IJ45262

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  AIX V7.3

• Fixed component ID

  5765CD300

Applicable component levels