Veritas - NetBackup Only Configures 20 Out of 38 Slot for a C4 library

Asset ID:	1-72-1002737.1
Update Date:	2011-01-04
Keywords:

Solution Type Problem Resolution Sure

Solution 1002737.1 : Veritas - NetBackup Only Configures 20 Out of 38 Slot for a C4 library

Applies to:

Sun Storage C4 Tape Library
Veritas NetBackup (NBU) Software - Version: 3.0 and later [Release: 3.0 and later]
All Platforms
Checked for relevance on 4-Jan-2011.

Symptoms

Symptoms
A newly install Sun StorageTek[TM] C4 (aka Quantum PX500) tape library configure under Veritas Netbackup 6.0 only detects 20 out of 38 slots. The robtest utility in Veritas Netbackup Software also indicates only 20 slots available.

   (root)# /opt/openv/volmgr/bin/robtest
Configured robots with local control supporting test utilities:
TLD(0)     robotic path = /dev/sg/c0tw100000e0022350e2l0

   Robot Selection
---------------
1)  TLD 0
2)  none/quit
Enter choice: 1

   Robot selected: TLD(0)   robotic path = /dev/sg/c0tw100000e0022350e2l0

   Invoking robotic test utility:
/usr/openv/volmgr/bin/tldtest -rn 0 -r /dev/sg/c0tw100000e0022350e2l0

   Opening /dev/sg/c0tw100000e0022350e2l0
MODE_SENSE complete
Enter tld commands (? returns help information)
s s
slot 1 (addr 256) contains Cartridge = no
slot 2 (addr 257) contains Cartridge = no
slot 3 (addr 258) contains Cartridge = no
slot 4 (addr 259) contains Cartridge = no
slot 5 (addr 260) contains Cartridge = no
slot 6 (addr 261) contains Cartridge = no
slot 7 (addr 262) contains Cartridge = no
slot 8 (addr 263) contains Cartridge = no
slot 9 (addr 264) contains Cartridge = no
slot 10 (addr 265) contains Cartridge = no
slot 11 (addr 266) contains Cartridge = no
slot 12 (addr 267) contains Cartridge = no
slot 13 (addr 268) contains Cartridge = no
slot 14 (addr 269) contains Cartridge = no
slot 15 (addr 270) contains Cartridge = no
slot 16 (addr 271) contains Cartridge = no
slot 17 (addr 272) contains Cartridge = no
slot 18 (addr 273) contains Cartridge = no
slot 19 (addr 274) contains Cartridge = no
slot 20 (addr 275) contains Cartridge = no
READ_ELEMENT_STATUS complete

From the support.txt captured in the , we can clearly see all the 38 slots are been detected by
Vertias Netbackup. However, 20 slots are configured as normal tape library slots and 18 slots are configured as
Media Access Port or Load port.

   Device Name  : "/dev/sg/c0tw100000e0022350e2l0"
Passthru Name: "/dev/sg/c0tw100000e0022350e2l0"
Volume Header: ""
Port: -1; Bus: -1; Target: -1; LUN: -1
Inquiry    : "QUANTUM PX500           0005"
Vendor ID  : "QUANTUM "
Product ID : "PX500           "
Product Rev: "0005"
Serial Number: "QP0617BDC00124"
WWN          : ""
WWN Id Type  : 0
Device Identifier: "QUANTUM PX500           QP0617BDC00124"
Device Type    : SDT_CHANGER
NetBackup Robot Type: 8
Removable      : Yes
Device Supports: SCSI-2
Number of Drives : 1
Number of Slots  : 20
Number of Media Access Ports: 18     <----- MAP set to 18
Drive 1 Serial Number      : "HU10552GR4"
Flags : 0x0
Reason: 0x0

Changes

{CHANGE}

Cause

{CAUSE}

Solution

Resolution
Please review the following information.

The Sun StorageTek C4 tape library allow three different setting for Media Access Port /Load Port.

None
Single column
Whole Magazine

In order to change to None or No Media Access Port follow the steps below.

Step 1 - Stop Netbackup

   /usr/openv/netbackup/bin/goodies/netbackup stop

Step 2 - Change configuration setting on C4 OCP (Operator Control Panel)

Select Setup
Select Cabinet setup
Select Left load port OR Right load port
Select Disable (Make sure both is set to OFF)

Return to the main menu on OCP

Step 3 - Start Netbackup

   /usr/openv/netbackup/bin/goodies/netbackup start

Step 4 - Confirm new setting with robtest

   /usr/openv/volmgr/bin/robtest
Configured robots with local control supporting test utilities:
TLD(0)     robotic path = /dev/sg/c0tw100000e0022350e2l0

       .
.
.
slot 1 (addr 256) contains Cartridge = no
slot 2 (addr 257) contains Cartridge = no
slot 3 (addr 258) contains Cartridge = no
.
.
.
slot 36 (addr 291) contains Cartridge = no
slot 37 (addr 292) contains Cartridge = no
slot 38 (addr 293) contains Cartridge = no
READ_ELEMENT_STATUS complete

Product
Sun StorageTek C4 Tape Library
VERITAS NetBackup 6.0
VERITAS NetBackup 5.1
VERITAS NetBackup 5.0

Internal Comments
Oracle review 11/5/09
Reference Case : 10942737
Reference Task : 22012552
StorageTek C4, Quantum PX500, Media Access Port, Load Port
Previously Published As 87841

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