HP P2000 G3 User manual

Part number: 591224-005

First edition: February 2012

HP P2000 G3 MSA System

Event Descriptions Reference Guide

Legal and notice information

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12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are

licensed to the U.S. Government under vendor’s standard commercial license.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth

in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting

an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Acknowledgements

Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation.

UNIX is a registered trademark of The Open Group.

HP P2000 G3 MSA System Event Descriptions Reference Guide 3

About this guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Intended audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Related documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Document conventions and symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

HP technical support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Product warranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Subscription service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

HP web sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Documentation feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Event descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Events and event messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Event format in this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Resources for diagnosing and resolving problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Event descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Troubleshooting steps for leftover disk drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Using the trust command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Power supply faults and recommended actions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Events sent as indications to SMI-S clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Resolving scrub errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Fixing consistency errors reported by the scrub utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Contents

4Contents

HP P2000 G3 MSA System Event Descriptions Reference Guide 5

About this guide

This guide describes events that the HP P2000 G3 MSA System may report and recommended actions to

take in response to those events. It also gives more details for troubleshooting leftover disks, using the scrub

utility, and warnings for usage of the trust command.

Intended audience

This guide is intended for storage system administrators and service personnel.

Prerequisites

Prerequisites for using this product include knowledge of:

•Network administration

•Storage system configuration

•Storage area network (SAN) management and direct attach storage (DAS)

•Fibre Channel, Serial Attached SCSI (SAS), Internet SCSI (iSCSI), and Ethernet protocols

•RAID technology

Before you begin to follow procedures in this guide, you must have already installed enclosures and

learned of any late-breaking information related to system operation, as described in the User Guide for

your product and in Release Notes.

Related documentation

In addition to this guide, please refer to online help and the following documents for this product:

•HP MSA System Racking Instructions

•HP P2000 G3 MSA Systems Installation Instructions

•HP P2000 G3 MSA System Cable Configuration Guide

•HP P2000 G3 FC MSA System User Guide

•HP P2000 G3 FC/iSCSI MSA System User Guide

•HP P2000 G3 SAS MSA System User Guide

•HP P2000 G3 iSCSI MSA System User Guide

•HP P2000 G3 MSA System SMU Reference Guide

•HP P2000 G3 MSA System CLI Reference Guide

You can find these documents from the Manuals page of the HP Business Support Center web site:

http://www.hp.com/go/p2000/manuals.

6 About this guide

Document conventions and symbols

CAUTION: Indicates that failure to follow directions could result in damage to equipment or data.

IMPORTANT: Provides clarifying information or specific instructions.

NOTE: Provides additional information.

TIP: Provides helpful hints and shortcuts.

HP technical support

Telephone numbers for worldwide technical support are listed on the HP support web site:

http://www.hp.com/support/.

Collect the following information before calling:

•Technical support registration number (if applicable)

•Product serial numbers

•Product model names and numbers

•Applicable error messages

•Operating system type and revision level

•Detailed, specific questions

For continuous quality improvement, calls may be recorded or monitored.

Table 1 Document conventions

Convention Element

Medium blue text: Figure 1 Cross-reference links and e-mail addresses

Medium blue, underlined text

(http://www.hp.com)

Web site addresses

Bold font •Key names

•Text typed into a GUI element, such as into a box

•GUI elements that are clicked or selected, such as menu and list

items, buttons, and check boxes

Italics font Text emphasis

Monospace font •File and directory names

•System output

•Code

•Text typed at the command-line

Monospace, italic font

•Code variables

•Command-line variables

Monospace, bold font Emphasis of file and directory names, system output, code, and text

typed at the command line

HP P2000 G3 MSA System Event Descriptions Reference Guide 7

Product warranties

For information about HP product warranties, see the warranty information website:

http://www.hp.com/go/storagewarranty

Subscription service

HP strongly recommends that customers sign up online using the Subscriber’s choice web site:

http://www.hp.com/go/e-updates.

•Subscribing to this service provides you with e-mail updates on the latest product enhancements, newest

versions of drivers, and firmware documentation updates as well as instant access to numerous other

product resources.

•After signing up, you can quickly locate your products by selecting Business support and then Storage

under Product Category.

HP web sites

For other product information, see the following HP web sites:

•http://www.hp.com

•http://www.hp.com/go/storage

•http://www.hp.com/go/p2000/manuals

•http://www.hp.com/support/downloads

•http://www.hp.com/storage/whitepapers

•http://www.hp.com/go/p2000

Documentation feedback

HP welcomes your feedback.

To make comments and suggestions about product documentation, please send a message to

storagedocs.feedback@hp.com. All submissions become the property of HP.

8 About this guide

HP P2000 G3 MSA System Event Descriptions Reference Guide 9

Event descriptions

Introduction

This guide is for reference by storage administrators to help troubleshoot storage-system issues. It describes

event messages that may be reported during system operation and specifies any actions recommended in

response to an event.

Events and event messages

When an event occurs in a storage system, an event message is recorded in the system’s event log and,

depending on the system’s event notification settings, may also be sent to users (using email) and

host-based applications (via SNMP or SMI-S).

Each event has a numeric code that identifies the type of event that occurred, and has one of the following

severities:

•Critical: A failure occurred that may cause a controller to shut down. Correct the problem immediately.

•Error: A failure occurred that may affect data integrity or system stability. Correct the problem as soon

as possible.

•Warning: A problem occurred that may affect system stability but not data integrity. Evaluate the

problem and correct it if necessary.

•Informational: A configuration or state change occurred, or a problem occurred that the system

corrected. No immediate action is required. In this guide, this severity is abbreviated as “Info.”

An event message may specify an associated error code or reason code. Error codes and reason codes

are outside the scope of this guide.

Event format in this guide

This guide lists events by event code and severity, where the most severe form of an event is described first.

Events are listed in the following format. Events that do not apply to P2000 G3 MSA System products are

not listed.

Resources for diagnosing and resolving problems

For further information about diagnosing and resolving problems, see:

•The troubleshooting chapter and the LED descriptions appendix in your product’s User Guide

•The topic about verifying component failure in the component’s replacement instructions document

These and other HP documents can be found on the Software Support/Documentation DVD shipped with

your product or at http://www.hp.com/go/p2000/manuals. For links to additional information about your

product, see http://www.hp.com/go/p2000 or http://www.hp.com/go/msa. For product support and to

download drivers, firmware, and software, see http://www.hp.com/support.

For a summary of storage events and corresponding SMI-S indications, see Events sent as indications to

SMI-S clients on page 62.

Event code

Severity Event description.

Recommended actions

•If the event indicates a problem, actions to take to resolve the problem.

10 Event descriptions

Event descriptions

Warning If the indicated vdisk is RAID 6, it is operating with degraded health due to the failure of two disks.

If the indicated vdisk is not RAID 6, it is operating with degraded health due to the failure of one disk.

The vdisk is online but cannot tolerate another disk failure.

If a dedicated spare or global spare of the proper type and size is present, that spare is used to

automatically reconstruct the vdisk; events 9 and 37 are logged to indicate this. If no usable spare disk is

present, but an available disk of the proper type and size is present and the dynamic spares feature is

enabled, that disk is used to automatically reconstruct the vdisk; event 37 is logged.

Recommended actions

•If a spare of the proper type and size is present, or if the dynamic spares feature is enabled,

reconstruction automatically starts and event 37 is logged. Replace the failed disk and configure the

replacement as a dedicated or global spare for future use.

•If no spare is present and the dynamic spares feature is disabled (that is, event 37 is NOT logged),

configure an available disk as a dedicated spare for the vdisk or replace the failed disk and configure

the new disk as a dedicated spare for the vdisk. That spare is used to automatically reconstruct the

vdisk; confirm this by checking that events 9 and 37 are logged.

•If the replacement disk was previously used in another vdisk and has a status of leftover (LEFTOVR),

clear the disk's metadata so you can assign the disk as a spare.

•Confirm that all failed disks have been replaced and that there are sufficient spare disks configured for

future use.

Error The indicated vdisk went offline.

One disk failed for RAID 0 or NRAID, three disks failed for RAID 6, or two disks failed for other RAID

levels. The vdisk cannot be reconstructed.

Recommended actions

•The CLI trust command may be able to recover some or all of the data on the vdisk

Info. The indicated disk had an uncorrectable error and the controller reassigned the indicated block.

Recommended actions

•Monitor the error trend and whether the number of errors approaches the total number of bad-block

replacements available.

Warning Vdisk creation failed during initialization.

Recommended actions

•Compare the vdisk count with the configuration limit for the maximum number of vdisks.

• If you reached this limit, either purchase additional storage or remove unneeded vdisks.

• If you have not reached the limit, see “Resources for diagnosing and resolving problems” in the

SMU help for the System Events panel, or the CLI help for the show events command.

Info. Recommended actions

•No action is required.

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