Certain Brocade Switches May Panic When Being Monitored by Host Based SAN Monitoring Software

Asset ID:	1-77-1000956.1
Update Date:	2012-07-26
Keywords:

Solution Type Sun Alert Sure

Solution 1000956.1 : Certain Brocade Switches May Panic When Being Monitored by Host Based SAN Monitoring Software

Related Items


Brocade 3900 Switch
 Brocade 24000 Director
 Brocade 3850 Fabric Switch
 Brocade 4100 Switch
 Brocade 4900 Switch
 Brocade 12000 Fabric Switch
 Brocade 200E Switch
 Brocade 48000 Director
 Brocade 3250 Fabric Switch

Related Categories


PLA-Support>Sun Systems>Sun_Other>Sun Collections>SN-OTH: Sun Alert
 _Old GCS Categories>Sun Microsystems>Sun Alert>Release Phase>Resolved

PreviouslyPublishedAs
201273

Bug Id
Brocade ID 000078007

Product
Brocade SilkWorm 3850 Fabric Switch
Brocade SilkWorm 24000 Director
Brocade SilkWorm 3250 Fabric Switch
Brocade 200E Switch
Brocade 12000 2 GB Switch
Brocade 48000 Director
Brocade 4100 Switch
Brocade SilkWorm 3900 Switch
Brocade SilkWorm 4900 Fibre Channel Switch

Date of Workaround Release
02-MAR-2007

Date of Resolved Release
14-Mar-2008

Certain Brocade switches (listed below) may panic ....

1. Impact

Certain Brocade switches (listed below) may panic when monitored by host based SAN monitoring software. As a result, temporary loss of connectivity to SAN devices may occur.

2. Contributing Factors

This issue can occur on the following Brocade platforms:

SG-XSWBRO200E 8P SilkWorm 200E switch without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO3250 SilkWorm 3250 switch without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO3850 SilkWorm 3850 switch without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO3900 SilkWorm 3900 switch without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO4100-16P SilkWorm 4100 switch with 16 ports without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO4100-32P SilkWorm 4100 switch with 32 ports without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO4900 SilkWorm 4900 switch without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO24K-32P SilkWorm 24000 Director without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO48ZP Silkworm 48000 Director without FOS 5.2.1b (patch 124898-03)
SG-XSWBRO12000-32P/64P SilkWorm 12000 Director without FOS 5.0.5d (patch 119552-06)

3. Symptoms

Should the described issue occur, the switch will panic and reboot. Details of the activity will be logged in the switch internal logs and can be viewed after the reboot:

    "errdump" or "errshow" on the affected switch/CP will show entries indicating that rpcd terminated.
    [KSWD-1003], 1869,, WARNING, Silkworm24000, kSWD: Detected unexpected termination of: ''[11]rpcd:

Alternatively, a "pdshow" output will contain details that rpcd terminated:

    Dead pid: 797, process: rpcd0
flags: 1348, pending sigs: 0
exit_code: 11, exit_sig: 17
parent_sig: 0
kSWD: Prepare to reboot/failover in a moment...

The issue is triggered by a host based SAN/switch management application, retrieving link incident record (LIRR) information.

4. Workaround

To work around this issue, avoid monitoring the switch using applications that collect LIRR information. As an alternative, Webtools and CLI are not known to collect LIRR information.

5. Resolution

This issue is addressed in the following releases:

Brocade FOS 5.2.1b (patch 124898-03 or later) for the 200E, 3250, 3850, 3900, 4100, 4900 24000, and 48000 switches and directors.
Brocade FOS 5.0.5d (patch 119552-06 or later) for the 12000 Director.

Modification History
09-MAR-2007: Updated Impact and Contributing Factors sections
06-JUL-2007: Updated Contributing Factors and Resolution sections
14-Mar-2008: Updated Contributing Factors and Resolution sections. Now Resolved.

References

<SUNPATCH: 124898-03>
<SUNPATCH: 119552-06>

Previously Published As
102823
Internal Comments

DEFECT000078007 is mentioned in the Brocade Fabric OS v5.21 OEM Qualification Notes v1.0.

Internal Contributor/submitter
brian.austin@sun.com

Internal Eng Business Unit Group
NWS (Network Storage)

Internal Eng Responsible Engineer
brian.austin@sun.com

Internal Services Knowledge Engineer
jeff.folla@sun.com

Internal Escalation ID
1-21006945

Internal Sun Alert Kasp Legacy ID
102823

Product_uuid
238622e0-665b-11d8-9e3a-080020a9ed93|Brocade SilkWorm 3850 Fabric Switch
24f55d62-6656-11d8-9e3a-080020a9ed93|Brocade SilkWorm 24000 Director
46630362-52b2-11d8-9e3a-080020a9ed93|Brocade SilkWorm 3250 Fabric Switch
48af8b63-fe46-11d9-a8ca-080020a9ed93|Brocade 200E Switch
49311310-146b-11d7-870d-d17cb3a778c1|Brocade 12000 2 GB Switch
c5741319-fe44-11d9-a8ca-080020a9ed93|Brocade 48000 Director
dd0032a7-6698-11d9-a841-080020a9ed93|Brocade 4100 Switch
f4a61c18-557a-11d7-8ec5-9ccb03c88fd7|Brocade SilkWorm 3900 Switch
f8492158-e436-11da-a742-080020a9ed93|Brocade SilkWorm 4900 Fibre Channel Switch
Internal Sun Alert & FAB Admin Info
Critical Category: Availability ==> HA-Failure
Significant Change Date: 2007-03-02
Avoidance: Patch, Workaround
Responsible Manager: karl-heinz.wegener@sun.com
Original Admin Info: [WF 06-Jul-2007, Jeff Folla: This is resolved. Updated with patch info.]

[WF 02-Mar-2007, Jeff Folla: Approved by John at Brocade. Sent for release.]

[WF 23-Feb-2007, Jeff Folla: Sent for Brocade approval.]

[WF 23-Feb-2007, Jeff Folla: Sent for review.]
Internal Resolution Patches
124898-03, 119552-06

References

SUNPATCH:119552-06
SUNPATCH:124898-03

Attachments

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