Unable to Detect the Devices in Solaris

• If you have the QLOGIC Sun FC HBA with Sun drivers (qlgc driver by SUN), you may not be able to detect the devices from the Library and Drive Configuration window. Use one of the following procedures to attach the WA Driver to the Solaris MediaAgent in the above environment:
  • To attach the wa drivers when the library is attached to QLOGIC FC HBA by SUN
  • To attach the wa drivers when the library is attached to QLOGIC FC HBA by SUN with a storage router
• Your devices may have LUNS greater than 7. Follow the procedure described in To Scan Devices with LUNs greater than 7 to correct this problem.

To attach the wa drivers when the library is attached to QLOGIC FC HBA by SUN

1. Ensure that the tape devices are visible to the Solaris kernel.

   You can do this using the following commands:

   Run cfgadm -al

   grep/look for type as tape devices

   If (cfgadm -al) displays all the devices configured on system, look for the word tape to identify tape devices.

   For example, the output of the cfgadm -al command may be as follows:

   Ap_Id	Type	Receptacle	Occupant	Condition
   c0	scsi-bus	connected	configured	unknown
   c0::dsk/c0t0d0	disk	connected	configured	unknown
   c0::dsk/c0t10d0	disk	connected	configured	unknown
   c0::dsk/c0t6d0	CD-ROM	connected	configured	unknown
   c0::dsk/c0t8d0	disk	connected	configured	unknown
   c0::dsk/c0t9d0	disk	connected	configured	unknown
   c3	scsi-bus	connected	unconfigured	unknown
   c6	fc-fabric	connected	configured	unknown
   c6::100000d08000167d	tape	connected	configured	unknown
   c6::100000d080001986	tape	connected	configured	unknown
   c6::100000e00221b69	array-ctrl	connected	unconfigured	unknown
   c6::100000e00221d909	disk	connected	unconfigured	unknown
   c6::2100002037194c51	disk	connected	configured	unknown
   c6::210000203719599e	disk	connected	configured	unknown
   c7	fc	connected	unconfigured	unknown
   c8	fc	connected	unconfigured	unknown

   If you do not see the devices as shown in the above example, make sure that the devices are visible to the Solaris kernel before proceeding any further.

2. If you see the tape devices, as shown in the above example, run the following script:

   <software installation path>/WA/wa_sunqlc_add

   After running the script, you will be able detect the devices from the Library and Drive Configuration window.

To attach the wa drivers when the library is attached to QLOGIC FC HBA by SUN with a storage router

1. Ensure that the tape devices are visible to the Solaris kernel.

   You can do this using the following commands:

   Run cfgadm -al

   grep/look for type as array-ctrl

   For example, the output of the cfgadm -al command would be as follows:

   c6::100000e00221b691 array-ctrl  connected    unconfigured  unknown

   If you do not see the devices as shown in the above example, make sure that the devices are visible to the Solaris kernel before proceeding any further.

2. If you see the array-ctrl as shown in the above example, you will have to add the necessary information in the following file:

   /usr/kernel/drv/wa.conf

3. Add the necessary entries using the following pattern to add each device.

   name="wa" parent="fp" target=16 lun=0 fc-port-wwn="WWPN"

   Using the above example, it will be as follows:

   name="wa" parent="fp" target=16 lun=0 fc-portwwn=" 100000e00221b691"

   Add 8 entries from lun=0-7

   Example:

   name="wa"	parent="fp"	target=16	lun=0	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=1	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=2	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=3	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=4	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=5	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=6	fc-port-wwn="100000e00221b691";
   name="wa"	parent="fp"	target=16	lun=7	fc-port-wwn="100000e00221b691";

4. Save the changes.
5. Stop the services in the MediaAgent in which the entries were added.
6. Execute the following commands to create the device nodes:

   rem_drv wa

   add_drv wa

7. Start the services in the MediaAgent in which the entries were added.

   You will now be able detect the devices from the Library and Drive Configuration window.

To Scan Devices with LUNs greater than 7

By default the MediaAgent scans for devices with LUNs 0-7. If the devices are over these values they will not be detected. Perform the following steps to correct this problem:

1. Edit the following file:

   /usr/kernel/drv/wa.conf

2. Add an additional line across all targets to add a specific LUN. For example, to add LUN 8 and assuming that you have one target - Target 0 - you need the following line:

   name="wa" class="scsi" target=0 lun=8;