HP EVA P6000 Bedienungsanleitung

HP P6000 Enterprise Virtual Array release

notes (XCS 10001000)

Abstract

This document applies to the HP 4400 Enterprise Virtual Array, HP 6400 Enterprise Virtual Array, HP 8400 Enterprise Virtual Array,

HP P6300 Enterprise Virtual Array, and HP P6500 Enterprise Virtual Array.

HP Part Number: 5697-1819

Published: March 2012

Edition: 2

Version:

XCS 10001000

Description

The information presented within this document applies to the following array models:

Disk enclosure modelController modelArray model

M6412 or M6412AHSV3001or HSV300-S1

HP 4400 Enterprise Virtual Array (EVA4400)

M6412AHSV400HP 6400 Enterprise Virtual Array (EVA6400)

M6412AHSV450HP 8400 Enterprise Virtual Array (EVA8400)

M6612 (LFF) or M6625 (SFF)HSV3401

HP P6300 Enterprise Virtual Array (P6300 EVA)

M6612 (LFF) or M6625 (SFF)HSV3601

HP P6500 Enterprise Virtual Array (P6500 EVA)

1One enclosure contains two controllers.

The information in this document is not provided elsewhere. HP recommends that you read this

information thoroughly.

IMPORTANT: With the release of the P6300/P6500 EVA, the EVA family name has been rebranded

to HP P6000 EVA. The names for all existing EVA array models will not change. The rebranding

change also affects related EVA software. The following product names have been rebranded:

•HP P6000 Command View (formerly HP StorageWorks Command View EVA)

•HP P6000 Business Copy (formerly HP StorageWorks Business Copy EVA)

•HP P6000 Continuous Access (formerly HP StorageWorks Continuous Access EVA)

•HP P6000 Replication Solutions Manager (formerly HP StorageWorks Replication Solutions

Manager)

•HP P6000 SmartStart (formerly HP StorageWorks SmartStart EVA Storage)

•HP P6000 Control Panel (formerly Web-based Operator Control Panel (WOCP).

All rebranded software continues to support all existing EVA models (EVA3000/5000,

EVA4000/6000/8000, EVA4100/6100/8100, EVA4400, and EVA6400/8400).

NOTE: M6612 and M6625 are the product names for the large form factor (LFF) and small form

factor (SFF) disk enclosures for the P6300/P6500 EVA. However, the product name or model number

could appear in HP P6000 Command View as D2600 or D2700.

Update recommendation

Recommended if you are using the thin provisioning feature. Otherwise, you can remain at XCS

10000000.

Description 3

Enhancements

XCS 10001000 contains the same functionality as XCS10000000:

•New racks, known as the “Intelligent Series Racks”, have been introduced, offering improved

cable management and air flow. Related hardware documentation will be updated in the next

release.

•EVA management software support—HP Command View EVA 9.4 or later (both server-based

management and array-based management) is supported with XCS 10001000.

The array-based management version is only supported on the EVA4400, P6300 EVA, and P6500

EVA and is installed on the management module in the controller enclosure, which reduces the

need for a management server. (A management server is still required for HP P6000 Continuous

Access support and certain other management tasks.) Without a management server in a direct

connect environment, this allows for an additional Fibre Channel port, per controller, that you

can use to directly connect to a Windows, HP-UX, or Linux application server. For more information,

see the HP P6000 Command View Installation Guide.

•Replication software support—HP P6000 Replication Solutions Manager 5.3 or later is supported

with XCS 10001000. HP P6000 Replication Solutions Manager is an optional interface that

offers enhanced management of local and remote replication and is offered at no charge. It

includes the user interface for HP P6000 Business Copy and HP P6000 Continuous Access. For

more information, see the HP P6000 Replication Solutions Manager 5.3 Release Notes.

NOTE: HP P6000 Business Copy and HP P6000 Continuous Access are optional replication

features. You must purchase a license to use these features. See the HP P6000 Enterprise Virtual

Array Compatibility Reference for more information about local and remote replication support.

•Management module software support—Version 0001.4300 is supported with XCS 10001000.

The management module applies to the EVA4400, P6300 EVA, and P6500 EVA only.

•Thin provisioning–Create and manage thin provisioned virtual disks. This feature dynamically

increases the space allocated to a virtual disk.

•Large LUN support—Support for snapshot replication of LUNs greater than 2 TB. Expanding and

shrinking of large LUNs is also supported.

•Controller auto-boot on power cycle—EVA4400, P6300 EVA and P6500 EVA arrays now provide

a setting in the HP P6000 Web-based Operator Control Panel that enables the controllers to boot

automatically when power is applied after a full shutdown.

•Online virtual disk migration (change Vraid or disk group)—Change a virtual disk's redundancy

level (Vraid) or disk group membership without impacting host I/O.

Fixes (XCS 10001000)

The following issue has been fixed in XCS 10001000:

HP P6000 Business Copy

Fixed an issue with a thin-provisioned LUN that has been shrunk.

Fixes (XCS 10000000)

The following issues have been fixed in XCS 10000000:

4 Enhancements

Controller termination

This section describes issues that can result in termination of controller operation. A single controller

termination will result in a reduction of redundancy. A dual controller termination indicates a possibility

of a data unavailable condition. A recursive termination will require manual intervention to address.

•Fixed an issue where a controller can experience a processor exception termination (termination

code 0x0442011f) if there is not an active path to the destination drive at the time the I/O is

being processed.

•Resolved issues with the use of a shared internal resource in the array’s management interface

that resulted in various controller termination codes (0x0402011f, 0x0204010a, and

0x0204010c). The shared resource can no longer be used by an incoming management command

while simultaneously being used by the preceding management command.

•Fixed an issue where a controller could experience a controller termination (termination code

0x0205010a) during failover while checking if a virtual disk is already presented to that controller.

•Fixed a controller restart issue (termination code 0x02210100) that occurred when the controller

received a sequence of verify commands.

•Fixed a termination (termination code 0x0c0a0106) that could occur if the controller software

improperly attempts to free a resource used by another LUN.

•Fixed an issue where an interrupted mirrorclone cache flush can result in a controller termination

(termination code 0x021b0100).

•Improved the quantity and accuracy of termination parameters for EVA6400/8400 controller

termination events.

•Fixed an issue where a controller can terminate (termination code 42280102) during a restart

due to the receipt of an unknown completion message type.

•Fixed a controller restart issue (code 0x0442011f) that could occur when unpresenting a LUN.

•Fixed an issue where a rare condition during host port abort processing caused an item being

aborted to be processed twice, resulting in a controller termination (termination code

0x04d3011f).

•Fixed an issue where multiple threads attempting to access a common mirroring structure could

result in a controller termination (termination code 0x0204010a).

•Fixed an issue where a controller operation would terminate (termination code 0x036c01c8)

and wait for user intervention instead of logging an event and continuing to execute after

encountering an error during drive poll operations.

•Fixed an issue where I/Os could get stuck on a pending queue during a host port logout cleanup

and cause the controller to experience a stalled state and eventually execute a Cell State Manager

(CSM) Reset termination (termination code 0x4238011f) to clear the stalled state.

•Fixed an issue where controllers can experience a termination (termination code 0x0775011a)

when get_info commands are called on a snapshot that is in the first stage of deletion.

•Fixed an issue that caused recursive terminations (termination code 0x020d0104) due to mirrored

cache inconsistency, which sometimes involved inoperative LUNs.

•Fixed an issue where a rare condition during a controller replacement or shutdown could allow

the surviving controller to skip some virtual disk failover steps and encounter a Unit Stalled

Too Long or CSM Reset termination.

•Fixed an issue where the controllers run out of buffer resources and terminate (termination code

0x02160102) when flooded with write commands after a LUN becomes inaccessible due to lost

cache data being acknowledged and cleared.

Fixes (XCS 10000000) 5

•Fixed an issue where a controller can experience a processor exception termination when two

drive failures occur in a narrow window while executing a Vraid5 write with multiple failed drives.

Fixed an issue that can result in a recursive controller termination (termination code 0x071a0100)

or incomplete leveling activity under rare circumstances.

•Fixed the cache prefetching algorithm to prevent multiple watchdog timer terminations

(0x0420011f, 0x04800106) from occurring.

Disks (disk groups, virtual disks)

This section describes issues affecting physical and virtual disks or disk groups, which can lead to a

range of behaviors including a loss of redundancy, performance impact, or data unavailability.

•Added protection to prevent dual controller restarts when invalid mirror data is detected.

•An issue was fixed when the mirror connection breaks during certain operations. An outstanding

proxy command to the other controller, targeting the unit being quiesced, made it possible to

encounter a deadlock condition leading to an inoperative or unresponsive state.

•Improved data pre-fetch algorithm to address a problem where high I/O latencies result from

sequential read streams involving non-uniform transfer requests.

•Fixed an issue which blocked I/O module status data from being reported during controller startup

logging.

•Fixed an issue where the controller software did not handle Cache Data Lost (CDL) LUN failover

correctly when a device data lost (DDL) condition was resolved.

•Fixed issue that allowed change tracking metadata to be set on four disks in a single disk enhanced

disk group, resulting in a false inoperative condition after a power failure.

•Fixed an issue where the array failed to correctly split a background parity structure following

the addition of a twelfth member.

•Fixed a resource contention deadlock that occurred when rebuilding parity.

•Fixed an issue where leveling would stall after two 1 TB drives are added to the system.

•Fixed a rare recursive controller resynchronization that could occur when a virtual disk being

expanded had errors.

•Added functionality to ensure that the leveling process did not miss any outstanding work caused

by a background parity structure reconfiguration.

•Fixed controller resource starvation issues that could occur under heavy workloads when disks

failed.

•Fixed an issue that, in certain circumstances, occurred during a LUN shrink, expand, or delete

operation, and cause the controllers to recursively resynchronize.

Hardware (replaceable parts, device ports, resynchronization)

This section describes issues affecting physical hardware, which can lead to incorrect condition

handling, false condition reporting and similar events that may lead to incorrect device status reporting

or replacement.

•Fixed a controller power up diagnostics issue that incorrectly logged a real time clock failure.

•Created a new critical event to alert field personnel to check or replace the disk enclosure power

supply when a failure condition is encountered.

•Improved the back-end device discovery model to address several known issues, including a

situation where controllers may terminate during back-end error handling (force LIP failure).

•Fixed an issue that blocked communication between the two I/O modules within a single disk

enclosure.

6 Fixes (XCS 10000000)

•Fixed an issue where back-end transport errors caused the controller software to fail a disk drive

unnecessarily.

•Fixed an issue where the array would not log any events to indicate the back-end disk enclosures

were improperly cabled.

•Fixed an issue where the I/O module firmware upgrade gets blocked when a disk enclosure

disappears and then remains blocked when the enclosure is accessible again.

•Fixed a problem that, in rare circumstances, occurred when I/O to a disk volume failed and a

bad block replacement was not attempted. As a result, the controller could experience a stalled

state and execute a CSM Reset termination to clear the stalled state.

•To eliminate unnecessary service actions, reporting of events 0D DE 95 06: A drive

enclosure I/O module is not communicating with the other I/O module and

09 CD C3 05: SCMI Fibre Channel port FAILED have been discontinued.

•Fixed a rare controller restart that occurs when reading the link status from disk drives while

workloads are in progress.

•Addressed several situations where drives could erroneously be reported as Single Port on Fibre

(SPOF), indicating it is only connected to one of the two device side I/O loops, and has lost

redundancy.

•Fixed an issue where some drive check conditions were not being handled as transport errors,

resulting in drives being failed incorrectly.

•Fixed an issue where background processing can be blocked and cause a CSM Reset termination

if a drive firmware SMART (Self Monitoring Analysis and Reporting) error is encountered while

waiting for a drive quiesce to complete or when accessing disk media.

•Fixed an issue where the disk enclosure shutdown process would return a failure status even if

the shutdown operation succeeded.

•Fixed an issue where some fields were missing or not completely populated in log events related

to disk enclosure link module status or firmware upgrades.

•Fixed an issue where poorly seated back-end cables could result in too many dropped frame

(code 0x061d4709) and metadata error bit (e-bit) set (0x070e0015) events, flooding the logs.

•Corrected an issue where the incorrect WWID entered from the operator control panel of an

EVA6400/8400 was accepted and stored with the secondary controller.

•Fixed an issue where internal parity generation and checking resources were not configured

correctly.

•Added event logging to output the current controller hardware revision and control and cache

memory configuration during boot.

•Fixed event strings related to System Inoperative events.

•Fixed an issue where the array logs a spontaneous power PC reset termination event instead of

the power loss event when power fails during a restart.

•Fixed an issue where a controller host port could stop responding after a restart due to the improper

processing of brief, recovered link failures.

•Fixed a controller restart that resulted from unexpected host mode sense requests.

•Fixed a rare condition involving duplicate entries in a host port transaction buffer time and

organization queue. The problem appears to occur in all types of controllers and is not port

specific. A rare condition results, which may cause the item being aborted to be completed twice.

•Fixed unnecessary failover/failback Unit Attention messages that are sent to hosts during controller

reboot. The messages affect hosts configured with host modes HP-UX, Sun Solaris, Windows

2003, and Windows 2008.

Fixes (XCS 10000000) 7

•Fixed an issue where a controller can experience a watchdog timeout termination during host

port LUN processing.

•Fixed an issue where 0x4207001b and 0x420d001b events were not being logged on EVA6400

and EVA8400 controllers.

•Added event logging to increase visibility to host port Fibre Channel nameserver logins during

DR tunnel creation.

•Fixed a Direct Memory Access (DMA) error that occurred when an active controller was physically

removed from an enclosure.

•Improved the robustness and event logging associated with array initialization requests including

new events when initialization requests arrive, complete, or are malformed.

•Fixed an issue where the array failed to boot when a disk containing quorum data from a different

array was inserted into the array.

•Fixed an issue where a controller resynchronization would occur during a change of mastership.

•Fixed a rare controller resynchronization that occurred when a controller mirror port disruption

occurred during a controller failover.

•An issue was addressed that can arise when metadata instances from multiple storage systems

are discovered.

•Fixed an issue on the EVA4400 that caused the SCID_FCS_LOOP_CONFIG (0x06410017)

event to not be generated when changes occurred during discovery of device enclosures and

disk drives.

•Improved on-demand allocation, rebuild, reconstruct, revert, and controller failover routines to

resolve a problem where the controllers can experience a Unit Stalled Too Long condition

and workload timeouts.

•Fixed an issue where the controller erroneously logs Metadata Check 1 (0x07140715)

events spontaneously.

HP P6000 Business Copy

This section describes issues affecting HP P6000 Business Copy implementations of local replication,

including snapshots, snapclones, and mirrorclones.

•Fixed incorrect event date reporting in the snapclone event data.

•Fixed an issue where controller software may not realize unpresented snapshots, snapclones, or

mirrorclones when source virtual disks are in DR groups, leading to a controller termination.

•Fixed a work load hang that occurred when creating a large number of snapclones under heavy

load.

HP P6000 Continuous Access

This section describes issues affecting HP P6000 Continuous Access implementations of remote

replication, including data replication (DR) groups.

•Fixed issues where a controller could terminate (termination codes 0x020c0100, 0x42350104)

for an invalid group cache operation state because the determination of DR group membership

was based on a snapshot rather than the successor of the snapshot.

•Fixed an issue in HP P6000 Continuous Access configurations where the controller software

intermittently fails to correctly identify the active protocol type for EVA3000/5000 peers.

•Fixed an issue where controllers can experience a processor exception (0x0402011f) due to

non-zero link fields during HP P6000 Continuous Access site failover.

8 Fixes (XCS 10000000)

•Fixed an issue which causes a controller to experience a stalled state and execute a CSM Reset

termination (termination code 0x4238011f) to clear the stalled state due to the tunnel state

transitions not calling back the log for failed merge writes.

•Fixed an issue where a controller experiences a processor exception termination due to a stack

overflow on remote replication write retries when the SCSI-FCP tunnel is open, but the remote

replication array discovery data is marked invalid.

•Added information to events related to invalid group cache operations.

•Fixed an issue where resolving a multiple disk failure condition can leave a DR group unusable.

•Fixed out of sequence replication requests in HP P6000 Continuous Access configurations.

•Added instrumentation to HP P6000 Continuous Access to track instances when a controller

termination (termination code 0x0442011f) occurs due to inter-controller cache inconsistency.

•Fixed an issue where HP P6000 Continuous Access recognizes a host as a possible replication

target, resulting in the host port WWN being deleted.

•Fixed an unexpected resynchronization that could occur during HP P6000 Continuous Access

log removal or invalidation.

•Improved array response to host I/O during HP P6000 Continuous Access copies.

•Fixed an issue where DR tunnel closures caused by SCSI exchange timeouts can lead to Unit

Stalled Too Long or CSM Reset termination in an effort to clear the stalled state.

•Fixed an issue where the SCSI-FCP data replication protocol aborts exchanges if they do not

complete within a specified timeout period, resulting in a Unit Stalled Too Long controller

termination.

•Fixed a problem that results in a controller termination during controller restart if a RSCN (Remote

State Change Notification) ELS (Extended Link Services) request is received prior to the start of

an HP P6000 Continuous Access discovery.

•Fixed an issue where mirror cache is not synchronized when failover clears cache data lost on a

DR group, leading to a termination when proxy I/Os arrive.

•Fixed an issue where the data replication protocol could inadvertently change to SCSI-FCP after

a controller software upgrade.

•Fixed an issue where a controller on the DRM remote array can experience a Unit Stalled

Too Long or CSM Reset termination during a secondary to primary controller LUN transistion.

•Fixed a problem where dynamic expansion of DR logs could create map inconsistency in metadata,

resulting in a recursive controller termination.

Operating system/solution support

This section describes issues affecting array support of operating systems or solutions.

•Fixed an issue observed on Windows hosts configured with QLogic HPAK344A 8 Gb HBAs

where the queue depth counts were being cleared with I/Os active on a connection.

•Fixed events and controller resynchronizations seen with some Brocade products.

•Fixed a problem with abort task and LUN reset responses not being returned correctly to HP-UX

hosts.

•Fixed slow link-up problem for an HP-UX host with an 8 Gb Fibre Channel adapter that is connected

to an EVA4400.

•Fixed issues which prevented proper interaction with Windows 2008 KMS server activation.

Fixes (XCS 10000000) 9

Upgrades (controller software, I/O module firmware, disk drive firmware)

This section describes issues affecting upgrades involving controller software, I/O module firmware,

or disk drive firmware.

•Fixed an issue where controllers do not shut down as intended following a situation where disk

enclosures overheat and bypass drives. This issue can result in improper array start up, thereby

leaving the array vulnerable to cache data loss conditions.

•Fixed an issue where environments with multiple DR groups can experience more than 60 second

resynchronization times after a controller software upgrade.

•Fixed a case where I/O modules did not report status correctly after an I/O module firmware

upgrade.

•Fixed multiple issues involving communications between enclosure link modules within a disk

enclosure that could inhibit or block firmware upgrades to the enclosure.

•Improved resynchronization times for online controller software upgrades.

Operating systems

For complete information about operating system specifications and supported configurations, see the

Single Point of Connectivity Knowledge (SPOCK) at http://www.hp.com/storage/spock. You must

page and follow the instructions.

NOTE: Connectivity requirements (operating systems, supported configurations) are the same for

XCS 10001000 as they were for XCS 10000000.

Upgrade and downgrade paths

NOTE: Documentation that refers to XCS 10001000 also applies to XCS 10000000.

For details about supported upgrade paths, see Table 3.1, Upgrade support for controller software

versions, in the HP P6000 Enterprise Virtual Array Compatibility Reference. For supported downgrade

paths, see Table 3.2, Downgrade support for controller software versions in the compatibility reference.

For upgrade instructions, see the HP Enterprise Virtual Array Updating Product Software Guide (XCS

10001000). You can download these documents from the following website:

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

Under Storage, click Disk Storage Systems, and then select HP 4400 Enterprise Virtual Array or HP

6400/8400 Enterprise Virtual Array under P6000/EVA Disk Arrays.

NOTE:

•When upgrading to XCS 10001000, it is required that the Device Addition Policy for disk groups

be set to Manual. See “Checking the disk grouping policy” in the HP Enterprise Virtual Array

Updating Product Software Guide (XCS 10001000) for more information.

•A full restart of both controllers is required only one time after HP P6000 Command View and

the management module software is installed on the management module of the EVA4400. This

is applicable when upgrading to XCS 09006000 or later. Subsequent upgrades of controller

software or management module software, or upgrading HP P6000 Command View on the

management module do not require another full restart.

HP P6000 SmartStart Kit

HP P6000 SmartStart is a CD-based wizard that you use on your Windows Server 2003 or 2008

system to install and configure HP P6000 Command View. You can use HP P6000 Command View

to configure, manage, and monitor your storage system.

10 Operating systems

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