StorageTek 5210/5220/5310/5320 NAS Tape Library with Multiple Drives Sharing the Same Target IDs May Lose Drive Visibility to the NDMP Backup Module

Asset ID:	1-77-1000528.1
Update Date:	2011-02-28
Keywords:

Solution Type Sun Alert Sure

Solution 1000528.1 : StorageTek 5210/5220/5310/5320 NAS Tape Library with Multiple Drives Sharing the Same Target IDs May Lose Drive Visibility to the NDMP Backup Module

Related Items


Sun Storage 5220 NAS Appliance
 Sun Storage 5210 NAS Appliance
 Sun Storage 5310 NAS Appliance

Related Categories


GCS>Sun Microsystems>Sun Alert>Criteria Category>Availability
 GCS>Sun Microsystems>Sun Alert>Release Phase>Resolved

PreviouslyPublishedAs
200673

Product
Sun StorageTek 5310 NAS Appliance
Sun StorageTek 5320 NAS Appliance
Sun StorageTek 5220 NAS Appliance
Sun StorageTek 5210 NAS Appliance

Bug Id
<SUNBUG: 6547423>

Date of Workaround Release
01-JUN-2007

Date of Resolved Release
24-JUL-2007

Impact

Tape drives may not be available for NDMP backups and restores.

Contributing Factors

This issue can occur in the following products:

StorEdge 5210 NAS with firmware 4.21 B123 (as delivered in patch 118216-12) and without patch 118216-13
StorEdge 5310 NAS with firmware 4.21 B123 (as delivered in patch 119351-11) and without patch 119351-12
StorageTek 5220 NAS with firmware 4.21 B123 (as delivered in patch 119353-03) and without patch 119353-04
StorageTek 5320 NAS with firmware 4.21 B123 (as delivered in patch 119352-06) and without patch 119352-07

This issue was introduced with the above firmware and prior releases are not affected.

If multiple drives share the same scsi target ID (from the host's point of view). It this occurs only one drive will be visible to the backup software. Hooking a SCSI tape library with multiple drives to an FC HBA via an FC/SCSI switch is such an example.

To determine an affected system, issue the 'version' cli command.The output will be similar to one of the following:

 NAS>version
 StorageTek  Model 5210 NAS  S/N SE52102005102101 Version 4.21 M0 (Build 123)
 StorageTek  Model 5310 NAS  S/N SE53102005102101 Version 4.21 M0 (Build 123)
 StorageTek Model 5310C NAS S/N SE5310C2005102101-H1 Version 4.21 M0 (Build 123)
 StorageTek  Model 5220 NAS  S/N SE52202005102101 Version 4.21 M0 (Build 123)
 StorageTek  Model 5320 NAS  S/N SE53202005102101 Version 4.21 M0 (Build 123)
 StorageTek Model 5320C NAS S/N SE5310C2005102101-H1 Version 4.21 M0 (Build 123)

Symptoms

The command "ndmp devices" only shows the tape library and one tape drive, while multiple drives are expected. An error log similar to the following one will show up in the NAS syslog:

  04/17/07 12:32:38 E scsi_sasd_symlink: /dev/isp2t7D1: error 17

Workaround

Do not install NAS OS release 4.21 M0 as delivered in the above patches.

Important Note: The above firmware patches mentioned in the Contributing Factors are still available on SunSolve. It was determined that due to other advantages of these patches they were not withdrawn from SunSolve.

Resolution

This issue is addressed in the following releases:

StorEdge 5210 NAS with firmware 4.21 M1 B19 (as delivered in patch 118216-13) or later
StorEdge 5310 NAS with firmware 4.21 M1 B19 (as delivered in patch 119351-12) or later
StorageTek 5220 NAS with firmware 4.21 M1 B19 (as delivered in patch 119353-04) or later
StorageTek 5320 NAS with firmware 4.21 M1 B19 (as delivered in patch 119352-07) or later

Modification History
Date: 24-JUL-2007

Updated Contributing Factors and Resolution sections
State: Resolved

References

<SUNPATCH: 118216-13>
<SUNPATCH: 119351-12>
<SUNPATCH: 119353-04>
<SUNPATCH: 119352-07>

Previously Published As
102944
Internal Comments

NOTE: all questions on this Sun Alert should be directed to Clifford.Thomas@Sun.COM.

The software release with the fix is not yet available. The version will be 4.21 M1.

Since the fix is not released, we do not have patch numbers for Pending Patches above.

Internal Contributor/submitter
Clifford.Thomas@Sun.COM

Internal Eng Business Unit Group
SSG ES (Enterprise Systems)

Internal Eng Responsible Engineer
Chunli.Zhang@sun.com, William.Krier@Sun.COM

Internal Services Knowledge Engineer
karen.edwards@sun.com

Internal Resolution Patches
118216-13, 119351-12, 119353-04, 119352-07

Internal Sun Alert Kasp Legacy ID
102944

Internal Sun Alert & FAB Admin Info
Critical Category: Availability ==> Regression
Significant Change Date: 2007-06-01, 2007-07-24
Avoidance: Patch
Responsible Manager: beverly.crair@sun.com
Original Admin Info: null

Internal SA-FAB Eng Submission
-------- Original Message --------
Subject: Draft Sun Alert: Bug ID 6547423, tape library with multiple
tape drives sharing the same target ids is connected to an ST5xxx NAS
Date: Wed, 30 May 2007 14:34:36 -0600
From: Clifford.Thomas@Sun.COM
To: Karen Edwards , jeff folla

Synopsis:

When a tape library with multiple tape drives sharing the
same target ids is connected to an ST5xxx NAS, only one
drive may be visible to the NDMP backup module.

Category:

[x ] Availability

[ ] Diagnosis
[ ] HA-Failure
[ ] Pervasive (Bug experienced by four or more external customers)
[ x] Regression
[ ] Severe

[ ] Data Loss

[ ] Security

Product:

StorEdge 5210 NAS
StorEdge 5310 NAS
StorageTek 5220 NAS
StorageTek 5320 NAS

BugID: 6547423

Avoidance:

[ ] Workaround
[ ] Binary
[ ] T-Patch
[ ] Patch
[ x] Upgrade
[ ] FCO
[ ] HW
[x ] None (Preliminary)

State:

[x ] Preliminary
[ ] Workaround
[x ] Resolved

1. Impact:

The un-discovered tape drives are not available for NDMP backup/restore.

2. Contributing Factors:

If multiple drives share the same scsi target ID (from the
host's point of view), only one drive will be visible to the
backup software. Hooking a SCSI tape library with multiple
drives to an FC HBA via an FC/SCSI switch is such an
example.

3. Symptoms:

Command "ndmp devices" only shows the tape library and one
tape drive, while multiple drives are expected. An error log
similar to the following one will show up in the NAS syslog:

04/17/07 12:32:38 E scsi_sasd_symlink: /dev/isp2t7D1: error 17

4. Relief/Workaround:

Do not install NAS OS release 4.21 or Upgrade NAS OS to release 4.21 M1

5. Resolution:

Upgrade NAS OS to release 4.21 M1

6. Internal Section:

Escalation IDs: N/A
Pending Patches:
The affected software release is 4.21 B123 (for all platforms) with the
following patch ids:
StorEdge 5210 NAS software update - 118216-12

StorEdge 5310 NAS software update - 119351-11

StorageTek 5220 NAS software update - 119353-03

StorageTek 5320 NAS software update - 119352-06

The software release with the fix is not yet available. The version will
be 4.21 M1

Since the fix is not released, we do not have patch ids. Normally the
last number of the patch id is incremented by one (ie for 5320 it would
be 119352-07).

However this could change if for some reason there is a problem with the
patch release process and a respin of the patch is required.

Resolution Patches:
FIN: N/A
FCO: N/A
Submitter: Clifford.Thomas@Sun.COM
Responsible Engineer: Chunli.Zhang@sun.com
Responsible Manager: beverly.crair@sun.com
PTS/Engineering organization: NAS/Systems

[ ] SSG WGS (Workgroup Systems)
[ ] SSG NSN (Netra Systems and Networking)
[ x] SSG ES (Enterprise Systems) (also used for OPL Systems)

Distribution:

[x ] Public SunSolve
[ ] Contract SunSolve

Comments:
PTS Reviewer (approved by): Peter Quinto

-------- Original Message --------
Subject: Re: [Fwd: Re: Draft Sun Alert: Bug ID 6547423, tape library
with multiple tape drives sharing the same target ids is connected to an
ST5xxx NAS]
Date: Wed, 30 May 2007 15:29:50 -0700
From: William Krier
Reply-To: William.Krier@Sun.COM
To: Clifford.Thomas@Sun.COM
CC: Peter Quinto
References: <465DEB6D.6020207@Sun.COM>

Cliff,

The only affected patches are:

StorEdge 5210 NAS software update - 118216-12
StorEdge 5310 NAS software update - 119351-11
StorageTek 5220 NAS software update - 119353-03
StorageTek 5320 NAS software update - 119352-06

Customers can determine if they are running the affected patches by
issuing the 'version' cli command.
The output will be similar to one of the following on affected systems

NAS>version
StorageTek Model 5210 NAS S/N SE52102005102101 Version 4.21 M0 (Build 123)
StorageTek Model 5310 NAS S/N SE53102005102101 Version 4.21 M0 (Build 123)
StorageTek Model 5310C NAS S/N SE5310C2005102101-H1 Version 4.21 M0
(Build 123)

StorageTek Model 5220 NAS S/N SE52202005102101 Version 4.21 M0 (Build 123)
StorageTek Model 5320 NAS S/N SE53202005102101 Version 4.21 M0 (Build 123)
StorageTek Model 5320C NAS S/N SE5310C2005102101-H1 Version 4.21 M0
(Build 123)

--Bill
Product_uuid
63654ce5-f88d-11d8-ab63-080020a9ed93|Sun StorageTek 5310 NAS Appliance
7656ca7b-9cd4-11da-85b4-080020a9ed93|Sun StorageTek 5320 NAS Appliance
a656fa3d-fc97-11da-ac3d-080020a9ed93|Sun StorageTek 5220 NAS Appliance
d4e4fc3d-7c3f-11d8-9e3a-080020a9ed93|Sun StorageTek 5210 NAS Appliance

References

SUNPATCH:118216-13
SUNPATCH:119351-12
SUNPATCH:119352-07
SUNPATCH:119353-04

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