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Advisory: Red Hat Enterprise Linux 6.6 - HP ProLiant Server Configured With an Emulex Controller and Running HP Insight Management Agents for Linux Version 10.20 May Stop Responding Due to Missing or Too Large Timeout in cmaeventd Storage Agent

SUPPORT COMMUNICATION - CUSTOMER ADVISORY

Document ID: c04726889

Version: 1

Advisory: Red Hat Enterprise Linux 6.6 - HP ProLiant Server Configured With an Emulex Controller and Running HP Insight Management Agents for Linux Version 10.20 May Stop Responding Due to Missing or Too Large Timeout in cmaeventd Storage Agent
NOTICE: The information in this document, including products and software versions, is current as of the Release Date. This document is subject to change without notice.

Release Date: 2015-06-26

Last Updated: 2016-01-05


DESCRIPTION

An HP ProLiant server running Red Hat Enterprise Linux 6.6, with an Emulex controller, and running the HP Insight Management Agents for Linux Version 10.20 may stop responding.

This occurs because the cmaeventd Storage Agent issues a scsi ioctl() call that could not complete. However, the I/O command has an extremely large request timeout, INT_MAX. While in this state, any I/O requests to devices under this scsi host will be stuck in their queues until error recovery runs. However, error recovery cannot run until the active command completes or times out, causing the server to stop responding.

SCOPE

Any HP ProLiant server running Red Hat Enterprise Linux 6.6.

RESOLUTION

This is targeted to be resolved in a future version of the HP Insight Management Agents for Linux.

As a workaround, disable the cmaeventd by typing the following command:

Bash# /opt/hp/hp-snmp-agents/storage/etc/cmaeventd stop

If the server stops responding, reboot the server and disable the cmaeventd to prevent this from occurring again.

This advisory will be updated when additional information is available.



RECEIVE PROACTIVE UPDATES : Receive support alerts (such as Customer Advisories), as well as updates on drivers, software, firmware, and customer replaceable components, proactively via e-mail through HP Subscriber's Choice. Sign up for Subscriber's Choice at the following URL: Proactive Updates Subscription Form

NAVIGATION TIP : For hints on navigating HP.com to locate the latest drivers, patches, and other support software downloads for ProLiant servers and Options, refer to the Navigation Tips document .

SEARCH TIP : For hints on locating similar documents on HP.com, refer to the Search Tips document .

To search for additional advisories related to Linux, use the following search string:

+Advisory +ProLiant -"Software and Drivers" +Linux


Hardware Platforms Affected: HP ProLiant DL120 G7 Server, HP ProLiant DL160 Gen8 Server, HP ProLiant DL165 G7 Server, HP ProLiant DL320e Gen8 Server, HP ProLiant DL320e Gen8 v2 Server, HP ProLiant DL360 G7 Server, HP ProLiant DL360e Gen8 Server, HP ProLiant DL360p Gen8 Server, HP ProLiant DL380 G7 Server, HP ProLiant DL380e Gen8 Server, HP ProLiant DL380p Gen8 Server, HP ProLiant DL385 G7 Server, HP ProLiant DL385p Gen8 Server, HP ProLiant DL580 G7 Server, HP ProLiant DL580 Gen8 Server, HP ProLiant DL585 G7 Server, HP ProLiant DL980 G7 Server, HP ProLiant ML110 G7 Server, HP ProLiant ML310e Gen8 Server, HP ProLiant ML310e Gen8 v2 Server, HP ProLiant ML350e Gen8 Server, HP ProLiant ML350e Gen8 v2 Server, HP ProLiant ML350p Gen8 Server, HP ProLiant MicroServer Gen8, HP ProLiant SL165s G7 Server, HP ProLiant SL165z G7 Server, HP ProLiant SL210t Gen8 Server, HP ProLiant SL230s Gen8 Server, HP ProLiant SL250s Gen8 Server, HP ProLiant SL270s Gen8 SE Server, HP ProLiant SL270s Gen8 Server, HP ProLiant SL335s G7 Server, HP ProLiant SL390s G7 Server, HP ProLiant SL4540 Gen8 3 Node Server, HP ProLiant SL4545 G7 Server, HPE ProLiant DL120 Gen9 Server, HPE ProLiant DL160 Gen9 Server, HPE ProLiant DL180 Gen9 Server, HPE ProLiant DL360 Gen9 Server, HPE ProLiant DL380 Gen9 Server, HPE ProLiant DL580 Gen9 Server, HPE ProLiant DL60 Gen9 Server, HPE ProLiant DL80 Gen9 Server, HPE ProLiant ML110 Gen9 Server, HPE ProLiant ML350 Gen9 Server
Operating Systems Affected: Red Hat Enterprise Linux 6 (x86)
Software Affected: Not Applicable
Support Communication Cross Reference ID: IA04726889
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