HP LeftHand P4000 - SAN Solutions Manuale di istruzioni

HP LeftHand Storage Solution Release Notes

Part number: AT004–96006

edition: April 2009

Contents

1 SAN/iQ Release Notes ...................................................................... 5

Version ...................................................................................................................................... 5

Description ................................................................................................................................ 5

Platforms supported for this release ............................................................................................... 5

Enhancements ............................................................................................................................ 6

Using the New CLI SAN/iQ software ..................................................................................... 6

Name Changes ............................................................................................................. 6

Fixes ......................................................................................................................................... 6

Fixes Originally Released as Patches ....................................................................................... 7

Installation/Upgrade Instructions ................................................................................................... 7

After You Upgrade ............................................................................................................... 7

New in 8.0 —Utilization Computations ........................................................................... 8

Compatibility/Interoperability ....................................................................................................... 8

Version Requirements ............................................................................................................ 8

Mixed SAN/iQ Software Versions in Clusters ........................................................................... 8

Compatibility Matrix for the Failover Manager, Windows, and VMware Server ............................ 9

Adding the Failover Manager to VMware Server 2.0 .......................................................... 9

HP Technical Support ..................................................................................................... 9

HP LeftHand Storage Solution Release Notes 3

Tables

Name Changes in 8.1 .............................................................................................. 61

Matrix of VMware Server and Windows compatibility ................................................... 92

1 SAN/iQ Release Notes

Version

•SAN/iQ Software Version 8.1.00.0047 [NSM 160, NSM 260, NSM 2060, NSM 4150, Dell

2950, DL 380, IBM x3650, NSM 2120, DL 320s, HP LeftHand P4500, HP LeftHand P4300,

VSA]

•SAN/iQ Software Version 8.1.0.24 [Failover Manager ESX and non-ESX]

•HP LeftHand Centralized Management Console Version 8.1.00.0059

Description

These Release Notes provide instructions for upgrading your software, and information about what

has been fixed in this release. These Release Notes are current as of the above date. The latest Release

Notes are available at the Customer Resource Center at www.LeftHandNetworks.com-> Resources->

Support Library-> Release Notes.

Supersedes

•SAN/iQ Software Version 8.0.00.1682 [NSM 160, NSM 260, NSM 2060, NSM 4150, Dell

2950, DL 380, IBM x3650]

•SAN/iQ Software Version 8.0.00.1704 [NSM 2120, DL 320s, NSM 2120 G2 and DL 185]

•SAN/iQ Software Version 8.0.00.1712 [VSA]

•SAN/iQ Software Version 8.0.0.107 [Failover Manager ESX and non-ESX]

•Centralized Management Console Version 8.0.00.1704

Platforms supported for this release

Upgrades to Release 8.1 SAN/iQ software are available for the following platforms

•NSM 160

•NSM 260

•NSM 2060

•NSM 2120

•HP LeftHand P4300

•HP LeftHand P4500

•NSM 4150

•Dell 2950

•DL 320s

•DL 380

•IBM x 3650

•VSA

HP LeftHand Storage Solution Release Notes 5

Enhancements

Using the New CLI SAN/iQ software

Release 8.0 included a new Command Line Interface that includes all SAN management functions

available for integration, automation or scripting. Install the Command Line Interface from the HP

LeftHand Management DVD.

NOTE:

To use the CLI, all storage nodes in the management group must be upgraded to 8.x. Verify the

management group version, as described in the Upgrade Guide, before using the CLI.

Name Changes

In Release 8.1, some platforms and software have been renamed. Table 1 lists the changes in platform

names, the software installation DVD, and two solution pack name changes. You may notice other

name changes throughout the product and documentation.

Table 1 Name Changes in 8.1

Is NowWas Named

HP LeftHand P4500NSM 2120 G2

HP Lefthand P4300NSM 2060 G2

HP LeftHand P4000 VSAVSA

HP LeftHand Management DVD

SAN/iQ Management Software

DVD

HP LeftHand P4000 Windows Solution Pack

SAN/iQ Solution Pack for Win-

dows

HP LeftHand P4000 Multi-Site HA/DR Solution Pack

SAN/iQ Multi-Site HA/DR Solu-

tion Pack

Fixes

•10391 —Fixed interaction between installed CLI and SAN/iQ software whereby repeated use

of a few specific commands could cause unexpected memory usage.

•10396 —Fix included to assure network card settings on the NSM 160 are consistently showing

that TCP Segmentation Offload is turned off to prevent network communication problems in some

environments.

•10398 —Fixed a rare problem in the storage server that caused it to spontaneously restart under

a combination of heavy IO load and snapshot deletes.

•10409 —Changed the display for the iSCSI gateway connection to Hostname(IP Address) instead

of just the IP address for ease of use.

•10410 —Fixed the incorrect reporting of CPU Utilization in alert notification and performance

dashboard.

SAN/iQ Release Notes6

•10415 —Added upgrade logic to attempt repair of OS array when possible during upgrade

rather than failing when encountering this rare condition.

•10417 —Added a check for verifying IP address format of the Virtual IP in the CLIQ command

modifyCluster.

•10418 —Added additional checking for a few specific CLI commands when executed from the

on-node CLI.

•10537 —Made the System Watch monitoring variable a permanent variable to assure it is not

accidentally deleted.

•10544 —Added RAID controller cache status to the CMC hardware report.

•10563 —Added a Node Summary report to the Centralized Management Console tasks menu

to provide an efficient way to gather basic storage node information from multiple nodes.

•10576 —Field imaging now can be performed with the SATA-DVD drive on the NSM 2060.

•10606 —Fixed issue that blocked upgrades and back-outs if the OS hardware RAID array is

degraded or rebuilding.

•Fixed issue where the Failover Manager and ESX Failover Manger were sharing install IDs which

could cause some confusion.

Fixes Originally Released as Patches

•9928 —The background parity initialization status has been corrected for RAID 5 and RAID 6

Logical Drives.

•10354 —Insight Manager agents are now compatible with 5.2x firmware.

•10355 —Storage nodes upgraded to SAN/iQ 8.0 that use CHAP authentication, now have

sessions displayed in the SAN/iQ 8.0 Performance Monitor.

•10394 —Eliminated interruption of logging services and addressed a service connection issue

that can lead to a short term volume availability outage.

•10518 —For the NSM2060/NSM4150 storage nodes, compress the RAID controller log to reduce

space utilization issues of the log partition.

•10534 —Fixed issue where a disconnect from the CMC occurred when the Service Console is

trying to upload large log files.

•10553 —An upgrade process does not complete properly, which can result in SAN/iQ services

not restarting as expected.

•10633 —Prevent the SAN/iQ store service from consuming excess memory in certain situations

involving large volumes/snapshots.

Installation/Upgrade Instructions

Please read the Upgrade Guide for instructions about installing Release 8.1

You can more information about HP's Lefthand products from the Manuals page of the HP Business

Support Center website:

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

In the Storage section, click Disk Storage Systems > Left hand SANs and then select your product.

After You Upgrade

Additional information about using the Release 8.x SAN/iQ software.

HP LeftHand Storage Solution Release Notes 7

New in 8.0 —Utilization Computations

The formulas for computing snapshot and volume utilization have changed to more accurately reflect

the amount of space being used on the SAN.

Pre-8.0 Utilization Formulas

Utilization was computed as

(Used Space of snapshot + Used Space of Temp Space) / (Provisionable Space

of snapshot + Provisionable Space of Temp Space).

8.0 Utilization Changes

Snapshot utilization is now calculated as the used space of the snapshot divided by the provisioned

space of the snapshot:

Used Space of snapshot / Provisioned Space of snapshot.

Volume utilization is calculated as the used space of the volume divided by the provisioned space of

the volume:

Used Space of volume / Provisioned Space of volume.

For thinly provisioned volumes, utilization will vary because the volume “autogrows”as data is written

to it. As utilization approaches 100%, the volume will autogrow and the utilization percent will

decrease. This pattern of increasing utilization, autogrow, and decreasing utilization repeats over

time and volume use.

Compatibility/Interoperability

For a complete list of supported SAN/iQ software releases and application software compatibility,

see the Customer Resource Center at www.LeftHandNetworks.com-> Services & Support->Software

Downloads->Products-> Compatibility Lists.

Version Requirements

To upgrade to Release 8.1 SAN/iQ software, the storage nodes must be at version 7.0 or later. If

the storage nodes are at a lower version, please contact Customer Support for access to the interim

upgrade files. Refer to HP technical supportfor customer support contact information.

If you are upgrading to 8.1 from 7.x only, you must first ensure that the appropriate patches and

LSMD have been applied. See the Upgrade Flowcharts in the Upgrade Guide.

Required version of the Microsoft iSCSI Software Initiator - Version 2.08 (or greater)

Mixed SAN/iQ Software Versions in Clusters

Clusters can accommodate storage nodes running different versions of the SAN/iQ software. However,

you can only add storage nodes running a later software version to a cluster running an earlier

software version. For example, you can add a storage node running the 8.1 version software to a

cluster currently running the 7.0.0x software. You cannot add a storage node running 7.0.0x software

to a cluster running 8.1 software.

If you partially upgrade a cluster, the cluster will continue to run on the earlier software version until

the entire cluster is upgraded.

SAN/iQ Release Notes8

Compatibility Matrix for the Failover Manager, Windows, and VMware Server

In the Release 8.1 SAN/iQ software, the Failover Manager can be installed in the following

configurations. Note that VMware Server version 1.x does not support Windows 2008.

Table 2 Matrix of VMware Server and Windows compatibility

Windows 2008

x64

Windows 2008

x86

Windows

2003 x64

Windows

2003 x86

Failover Manager

Not supported by

VMware

Not supported by

VMware

SupportedSupported

VMware Server 1.x Special in-

structions are required to add the

Failover Manager virtual machine

to the virtual machine list in VM-

ware Server 2.0

SupportedSupportedSupportedSupportedVMware Server 2.x

Adding the Failover Manager to VMware Server 2.0

1. Install VMware Server 2.0.

2. Install Failover Manager with the default options.

By default, the Failover Manager is installed into C:\Program Files \Lefthand Networks\Fail-

over Manager.

3. Open the VMware Server Home page and log in as administrator.

4. In the Commands section, select Add Datastore.

5. In the Add Datastore window, type the name of the datastore, Failover Manager.

6. Click OK to save the new Datastore.

7. Next, select Local Datastore and type the directory path for the Failover Manager.

The datastore now shows up in the Inventory panel as FOM.

8. In the Commands pane, select Add Virtual Machine to Inventory.

9. In the Add Existing Virtual Machine window, select the Failover Manager in the Inventory pane.

10. Select the FOM.vmx in the Contents pane and click OK.

11. Now, power on the FOM virtual machine (FOM.vmx).

HP Technical Support

For worldwide technical support information, see the HP support website:

http://www.hp.com/support

Before contacting HP, collect the following information:

•Product model names and numbers

•Technical support registration number (if applicable)

•Product serial numbers

•Error messages

•Operating system type and revision level

•Detailed questions

HP LeftHand Storage Solution Release Notes 9

SAN/iQ Release Notes10

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