HP StorageWorks 4000/6000/8000 - Enterprise Virtual... Bedienungsanleitung

HP 4x00/6x00/8x00 Enterprise Virtual Array

Release Notes (XCS 6.240)

Abstract

This document applies to the EVA4000/6000/8000 and EVA4100/6100/8100 models only.

HP Part Number: 5697-1059

Published: June 2011

Edition: 2

Version:

XCS 6.240

Description

This document contains information specific to the release of XCS 6.240 for the EVA4000/6000/8000

and EVA4100/6100/8100. Much of the information included here is not documented elsewhere, so

it is recommended that you read this information thoroughly before installing and operating the

EVA4x00/6x00/8x00.

NOTE: If you are using asynchronous replication, HP strongly recommends that you upgrade to XCS

6.200 or later to ensure maximum performance.

Update recommendation:

Recommended

Product models

•EVA4000/6000/8000

•EVA4100/6100/8100

These arrays are referenced as EVA4x00/6x00/8x00 throughout the document.

Fixes

The following issues have been resolved in XCS 6.240:

•Addressed issues where inquiries to the Storage Array Control Device (SACD) or LUN 0 caused

a controller termination or returned invalid formed responses.

•Fixed a controller termination (termination code 0x0c210106,

SCID_DRM_GSN_OUT_OF_SEQUENCE_12) that occurred due to instability and deadlock issues

with DR group copies.

•Addressed issues with inconsistent persistent reservation commands when the array power was

cycled or the controllers were shut down.

•Fixed a resource allocation issue that could result in stalled virtual disks, CSM resets, or controller

resets for "kill other" terminations.

•Modified the failed disk processing routine to prevent a deadlock situation that can occur when

a disk drive fails during a controller mastership transfer.

•Fixed a controller termination (termination code 0x02050100, Invalid Unit Cache State) that

occurred when deleting a presented snapshot LUN.

•Fixed an issue with DR groups not coming online when delays occur during a source-directed

controller failover on the destination array in HP Continuous Access EVA configurations.

•Added a recovery routine to reduce the interruption of data availability when a disk drive fails

to properly log into the arbitrated loop.

•Fixed a controller termination that occurred when Fibre Channel Echo ELS commands are

received from a Fibre Channel switch that has not completed fabric login with the array.

•Addressed an issue in the controller software that led to incorrect capacity reporting when

ungrouping and grouping drives.

•Fixed a Unit Stalled Too Long (USTL) condition that occurred when the DR group log became full

while the array was running with one active controller.

•Fixed a rescursive controller termination (termination code 0x0443011f) that could occur in an

asynchronous HP Continuous Access EVA configuration after multiple attempts to complete a copy

over slow links.

Description 3

•Fixed an issue where a bad block reassign command was being issued to the same volume from

both controllers.

•When resolving a multiple drive failure in a disk group that contains DR group members and the

disk groups volumes are brought offline, a metadata update function may be started incorrectly

on the controller that is not the primary controller. Metadata for a disk group can only be updated

on the controller that is the primary controller.

•On the EVA8000/8100, repeated cache battery failures due to a persistent load testing state

were corrected.

•Fixed an issue in an HP Continuous Access EVA configuration that caused a copy to become

stuck when group mastership was being transferred between controllers on the destination array.

•Fixed an issue which resulted in falsely reserved World Wide Name (WWN) values when using

the Brocade iSCSI blade for connectivity.

•Fixed a controller termination (termination code 0442011F) that occurred while handling SCSI

Persistent Reservation commands.

•Fixed a controller termination (termination code 0x036c01c8) that occurred due to a difference

between cached and written metadata.

•Fixed an error (termination code 0442011F) that could occur when writing data to a Vraid5

virtual disk while another disk drive in the Vraid mapping gets an unrecovered data error

processing a reconstruction write simultaneously.

•Fixed an issue in which a failed host port caused a Unit Stalled Too Long event or CSM reset.

Upgrade and downgrade paths

For details about supported upgrade paths to XCS 6.240, see Table 3.1, Upgrade support for controller

software versions, in the HP Enterprise Virtual Array Compatibility Reference. For details about supported

downgrade paths from XCS 6.240, see Table 3.2, Downgrade support for controller software versions,

in the compatibility reference.

For upgrade instructions, see the HP 4x00/6x00/8x00 Enterprise Virtual Array Updating Product

Software Guide (XCS 6.240). You can download these documents from the following website:

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

Under storage, click Disk Storage Systems, and then select the applicable array model under EVA

Disk Arrays.

Upgrading controllers

To upgrade from an HSV200-A or HSV210-A controller to an HSV200-B or HSV210-B controller, HP

requires that you also upgrade both I/O modules (A and B) to AD623C (I/O Module A) and AD624C

(I/O Module B) on each disk enclosure. If you are upgrading to an EVA6100 (HSV200-B) or EVA8100

(HSV210-B) and you do not already have the 30-10022-01 loop switches installed, you must also

upgrade the loop switches to 30-10022-01. For more information on the required components for

controller model upgrades, see the HP 4100/6100/8100 Enterprise Virtual Array Family QuickSpecs

document.

For more information on storage system behavior during a firmware upgrade, see the HP

4x00/6x00/8x00 Enterprise Virtual Array Updating Product Software Guide (XCS 6.240).

False EMU events reported sometimes after XCS 6.220 upgrade

After a controller software upgrade from XCS 6.200 to 6.220, an event (063ec513) could be reported

during the first 15 minutes after the upgrade has finished. This event may also be seen following the

insertion or removal of a physical disk drive, fiber channel cable or I/O module, or when other Fibre

Channel loop events occur that can result in a directed LIP (including a controller restart or

resynchronization of one or both controllers). This event is short in duration and does not impact host

4 Upgrade and downgrade paths

I/O. While there is no impact on the operation of the HP EVA, the logging of the event messages

results in WEBES callouts.

This issue has not been encountered during extensive XCS 6.240 testing. Customers are advised to

upgrade to XCS 6.240 to mitigate this possible problem. If the issue is encountered while running a

version other than XCS 6.240 and upgrading to XCS 6.240 is not currently possible, contact HP

support for alternative solutions to address the event. See the customer advisory (c01914371, HP

StorageWorks 4000/6000/8000 and 4100/6100/8100 Enterprise Virtual Array EMU communication

events are sometimes reported following upgrade to XCS 6.220) for more information.

Adding drive enclosures or expansion racks

Adding drive enclosures or expansion racks to an EVA must be performed by HP-authorized service

personnel. Adding an expansion rack must be completed while the array is offline. Contact HP Services

at http://www.hp.com/support for more information.

Upgrading in a Windows Key Management Services Environment

After upgrading to XCS 6.240, if your Windows Server is being activated via a Windows KMS

environment and the server is booting from the array, you must reactivate Windows by clearing the

current key and obtaining a new key from the KMS server. To do this, run the slmgr.vbs script with

the /ckms option as described in the following Microsoft TechNet article:

http://technet.microsoft.com/en-us/library/ff793433.aspx

NOTE: You only have to perform this task once on each server after upgrading to XCS 6.240.

Operating systems

For complete information about operating systems and supported configurations, see the Single Point

of Connectivity Knowledge (SPOCK) at: http://www.hp.com/storage/spock. You must log in to access

SPOCK. If you do not already have an account, select Register to log in on the main page and follow

the instructions.

SAN support

The 4 Gb EVA4x00/6x00/8x00 with XCS for HSV200 and HSV210 are enabled for 4 Gb/s on

each FC host path, but will also support 1 Gb/s (with restrictions) and 2 Gb/s FC host paths and

components for backwards compatibility.

NOTE: 1 Gb path and components have specific configuration requirements. For more information

on configuration requirements and support for 2 Gb and 4 Gb EVAs, see the HP SAN Design Reference

Guide, which can be downloaded from the following website:

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

Click Storage Networking under storage, and then select HP SAN under HP SAN Solutions.

Supported Fibre Channel switches

For complete information on which Fibre Channel switches are supported on XCS 6.100 or later, see

the HP SAN Design Reference Guide, which can be downloaded from the following website:

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

Click Storage Networking under Storage, and then select HP SAN under HP SAN Solutions.

Supported disks

For information about disk drive support, see HP Enterprise Virtual Array Disk Drive Firmware Support,

available on the HP Manuals website:

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

Operating systems 5

Under storage, click Disk Storage Systems, and then select the appropriate array model under EVA

Disk Arrays.

Important notes and workarounds

This section identifies important notes and workarounds for the EVA4x00/6x00/8x00 hardware and

XCS software.

Upgrading to XCS 6.240 puts asynchronous DR groups in Temp Sync state

Upgrading to XCS 6.240 from any version earlier than XCS 6.200 puts asynchronous DR groups in

Temp Sync state.

The XCS 6.xxx controller software has a Temp Sync state for DR groups that is used when a full copy

is required. If the DR groups require a full copy when you initiate a controller software upgrade, the

DR groups will move to the Temp Sync state upon completion of the upgrade and the full copy. You

must reset the asynchronous mode for these DR groups, using HP Command View EVA or an equivalent

command, to return to normal operations.

HP recommends that you ensure the DR groups are not in a full copy state before upgrading to XCS

6.240.

Default log file size changed in asynchronous replication mode

For XCS 6.200 or later, with asynchronous replication mode, if you do not specify the replication

write history log maximum size, the firmware sets the log size to 100 GB by default. If 100 GB VRAID1

space is not available, the following error message: "Invalid async log size" will be reported.

To resolve this issue, do one of the following:

•Set the log size between 1.6 GB and 2 TB

•Free some space available in the disk group

•Select a different disk group for placement of the log which has adequate available space

HP MPIO EVA DSM requirement

HP recommends that you always install the latest version of HP MPIO EVA DSM, which you can

download from:

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

1. Under storage, select Storage Software.

2. Under Storage Infrastructure Software, select Other Multi-Path Software-Windows.

3. Select Windows MPIO DSM for EVA.

4. Select the appropriate Windows operating system.

5. Select HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 and EVA4400 families of Disk

Arrays.

See the release notes included with the download file for more information.

HP Continuous Access EVA configurations between XCS 6.240 and VCS 3.110

The following issues are known to affect HP Continuous Access EVA configurations between XCS

6.240 and VCS 3.110:

•DR log size cannot be changed

•Auto-Suspend option is disabled

•Default log size will be 132 MB even though a size of 1.9 TB is displayed

6 Important notes and workarounds

•To have an asynchronous data replication with arrays with VCS 3.110, first the DR Group creation

must be in synchronous mode and wait for normalization to complete and then the replication

mode needs to be changed to asynchronous mode.

•Redundancy (Vraid) level for the destination member should be same as the source for XCS 6.240

and VCS 3.110.

I/O issue with raw devices and Sun MPxIO multipathing

When the EVA is connected to a Sun Solaris host running Sun MPxIO Multipathing, an issue with the

MPxIO stack and the emlx driver may affect I/O with raw devices under certain conditions. To avoid

this issue, set the load balancing policy to none when using raw device access.

Important notes and workarounds 7

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