3PAR InForm® OS 2.3.1 MU2 Release Notes 3PAR Inc.
Revision Notice This is the first release of this document. Changes The material in this document is for information only and is subject to change without notice. While reasonable efforts have been made in the preparation of this document to assure its accuracy, 3PAR Inc. assumes no liability resulting from errors or omissions in this document or from the use of the information contained herein.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes Table of Contents 1 Introduction 1.1 Audience 1.2 1.2 Organization 1.2 1.3 Related Documentation 1.3 2 3PAR InForm Operating System Release Notes 2.1 Online Upgrade Considerations 2.1 2.2 Supported Platforms 2.2 2.3 Components 2.2 2.4 What’s New in the InForm OS 2.3 2.4.1 Support for Advanced Storage Integration in VMware vSphere 4.1 2.3 2.5 Modifications to the InForm OS 2.3 2.6 Limitations of the InForm OS 2.9 2.6.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.7.5 Remote Copy and Recovery Manager Snapshot Interaction Issues 2.13 2.7.6 Firmware Core Dump from FC Adapter by LSI (Bugs 24178, 30353, 32351) 2.14 2.7.7 Windows 2003 Pop-Up 2.14 2.7.8 Cage Loop Down Alert is not Auto-Recovered (Bug 40274) 2.14 2.7.9 System Manager Could Crash During Rolling Upgrade if Remote Copy Groups Running (Bug 40867) 2.14 2.7.10 No Explicit Way to Reset the Default Value for Tunelinks (Bug 43579) 2.15 2.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 3 3PAR InForm CLI Release Notes 3.1 Installation Notes for the InForm CLI 3.1.1 Virus Checking 3.1 3.1 3.2 What’s New in the InForm CLI 3.2 3.3 Modifications to the InForm CLI 3.3 3.4 Known Issues with the InForm CLI 3.
3PAR InForm OS Release Notes vi InForm OS Version 2.3.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 1 Introduction In this chapter 1.1 Audience 1.2 1.2 Organization 1.2 1.3 Related Documentation 1.3 Introduction 3PAR Confidential 1.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 This document provides the release notes for the 3PAR InForm OS (Operating System) and Command Line Interface (CLI). You should read this document prior to installing the 2.3.1 Maintenance Update 2 (MU2) version of this product. NOTE: These release notes describe the features and bug fixes included in InForm OS 2.3.1 MU2. Refer to the appropriate release notes for all prior releases. 1.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 1.
3PAR InForm OS Release Notes 1.4 InForm OS Version 2.3.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 2 3PAR InForm Operating System Release Notes In this chapter 2.1 Online Upgrade Considerations 2.1 2.2 Supported Platforms 2.2 2.3 Components 2.2 2.4 What’s New in the InForm OS 2.3 2.5 Modifications to the InForm OS 2.3 2.6 Limitations of the InForm OS 2.9 2.7 Known Issues with the InForm OS 2.10 2.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.2 Supported Platforms The 3PAR Configuration Matrix for InForm OS 2.3.1 contains information about supported hardware and software platforms. Contact your local sales engineer or service representative to obtain a copy, or find it online at http://www.3par.com. Use your 3PAR login user ID to search the Document Control System for the latest version of the Configuration Matrix.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 2.4 What’s New in the InForm OS New features included in the 3PAR InForm OS Release 2.3.1 MU2 are described below. 2.4.1 Support for Advanced Storage Integration in VMware vSphere 4.1 Working in conjunction with 3PAR plug-in for VMware vStorage API for Array Integration (VAAI), 2.3.1 MU2 adds support for the following advanced storage operations in VMware vSphere 4.
3PAR InForm OS Release Notes 51285 InForm OS Version 2.3.1 MU2 A large WRITE SAME command can Handling of a WRITE SAME command cause uncontrolled shutdown of a with a size of 32MB or larger had a controller node. defect that could cause an uncontrolled shutdown of a controller node. The code path has been fixed to handle a large WRITE SAME command properly.
InForm OS Version 2.3.1 MU2 51845 3PAR InForm OS Release Notes TOC server memory leak during When the servicemag command is servicemag run, there was a memory leak in the TOC server, which is responsible for maintaining the system configuration information. After a large number of these operations, the TOC server would reach its memory limit and be restarted. The memory leak has been corrected.
3PAR InForm OS Release Notes 52575 InForm OS Version 2.3.1 MU2 Virtual volume and logical disk During InForm OS upgrades, nodes are ownership may not be properly shutdown to be rebooted. The InForm rebalanced after InFormOS OS is designed to properly rebalance upgrade. virtual volume and logical disk ownership after reboots. When the system is under heavy loads, the rebalancing process may fail due to lack of system resources which can cause an unbalanced load in system.
InForm OS Version 2.3.1 MU2 52915 3PAR InForm OS Release Notes Need to create /dev/tpddev On large system, the System Manager devices asynchronously. controller node initialization process to deliver the physical disk, logical disk, and virtual volume information into the kernel was taking too long. This was due to the creation of Linux device entries for each of these devices. The System Manager controller node initialization process was used only for internal system access.
3PAR InForm OS Release Notes 53686 InForm OS Version 2.3.1 MU2 Deleting snapshots with There is an internal 16-bit counter that fragmented data patterns can keeps track of how many meta data overflow a 16-bit counter. pages are needed during snapshot removal. When snapshot data allocation are extremely random or fragmented, the number of meta data pages required can overflow the 16bit counter. The counter has been increase to a 32-bit counter.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 2.6 Limitations of the InForm OS 2.6.1 Connectivity Issues with Remote Copy IP Interfaces for 100Mbps Switch Ports 3PAR has observed connectivity issues with Remote Copy IP interfaces connected to 100Mbps switch ports that can cause the Remote Copy links to negotiate their speed and duplex settings incorrectly. This issue has the potential to cause the Remote Copy IP links, as well as the connected switch ports, to stop working (e.g.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.7 Known Issues with the InForm OS 2.7.1 CIM Server Error Passing Maximum Length Virtual Volume Name (Bug 55445) The virtual volume buffer in apilib is 1 byte shorter when it should be 32 bytes including 1 byte for the null terminator. A 31 byte long virtual volume name causes cimserver to crash. Workaround - Use virtual volume names of 30 bytes long or shorter to avoid this problem.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes downgrade, dual SD TPVVs must be converted to single SD TPVVs by removing all of the snapshots for those TPVVs. ■ Raid Multi-Parity (MP) - Raid MP was not supported in InForm OS releases prior to 2.3.1, therefore any Raid MP Logical Disks (LDs) must be tuned to a supported RAID type or removed prior to downgrade. ■ SD Reclaim Space - SD Reclamation is not supported by InForm OS releases prior to 2.3.1.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.7.4.2 Issues Causing a Change to the InForm Configuration The following issue causes a change to the InForm configuration when downgrading from InForm OS release 2.3.1 or 2.3.1 MU2. ■ Host Personas - If a system running InForm OS release 2.3.1 MU2 is downgraded, host persona fields are cleared and the old port persona settings resume effect.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 2.7.5 Remote Copy and Recovery Manager Snapshot Interaction Issues When a non-zero scheduled synchronization period is specified for an Asynchronous Periodic Remote Copy volume group, any application coordinated snapshots taken on the same Remote Copy group by Recovery Manager may conflict with the periodic snapshots taken by Remote Copy.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.7.6 Firmware Core Dump from FC Adapter by LSI (Bugs 24178, 30353, 32351) Under certain error conditions, the firmware on a Fibre Channel Adapter from LSI may crash resulting in a firmware core dump. The driver for the adapter resets the port pair after collecting the firmware core dump. Workaround - There is no workaround for this and no user action is required.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 2.7.10 No Explicit Way to Reset the Default Value for Tunelinks (Bug 43579) setrcopytarget tunelinks command can be used to adjust the performance value for the target's links using the and specifiers. After using this command, there is no explicit way for the user to reset the tuning parameters back to its default values.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.7.13 Remote Copy Volumes go Stale Due to Lack of Adm Space (Bug 44963) The default grow value of 64 GB might be insufficient for volumes which are in Remote Copy groups. The reason is Remote Copy relies on taking snapshots during the initial sync phase and also during the resync periods. The snapshots end up using administrator space depending on the IOPS and throughput load on the Remote Copy volumes.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 2.7.17 Some Messages Not Clear During upgradecage (Bug 45229) Messages displayed during an upgrade of a drive cage are not clear if the drive cage is actually being upgraded. Workaround - Run the showcage and showcage -d command to see if a firmware upgrade is still required. Verify there are no other instances of upgradecage running, then run upgradecage again. NOTE: This was observed when multiple upgradecage commands were run.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 2.7.19 Tasks Become Active after a Failed Upgrade (Bug 46418) There are certain situations after a failed upgrade when tasks that were scheduled and suspended become active. Workaround - Following the failed upgrade using the showsched command to determine which scheduled tasks need to be suspended again. Use the setsched -suspend command. 2.7.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes failover task for the group will fail with an error similar to this one after approximately three minutes: 2009-10-19 16:21:17 PDT Failed Failed to push data from target RC81_RCFC to group MM237_4.r337, target returned: Target system RC81_RCFC could not be contacted (typically due to link failures). Workaround - Re-issue the setrcopygroup failover command. 2.7.
3PAR InForm OS Release Notes 2.20 InForm OS Version 2.3.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 3 3PAR InForm CLI Release Notes In this chapter 3.1 Installation Notes for the InForm CLI 3.1 3.2 What’s New in the InForm CLI 3.2 3.3 Modifications to the InForm CLI 3.3 3.4 Known Issues with the InForm CLI 3.5 3.1 Installation Notes for the InForm CLI 3.1.1 Virus Checking Virus checking is known to slow down and potentially cause problems with installation of the InForm CLI.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 3.2 What’s New in the InForm CLI The following CLI commands (Table 3-1) have been updated to include support for SSD. There is no syntax change for any of these commands. Help text now shows SSD as a valid device type. Table 3-1. CLI Command Updates for SSD Support CLI Command Comment createald ■ Changed default step size to 32 K for R0, R1 and R5 volumes created on SSD. createaldvv ■ No syntax or other changes.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes Table 3-1. CLI Command Updates for SSD Support (continued) CLI Command Comment showpdch ■ No syntax or other changes. showpdvv ■ No syntax or other changes. histpd ■ Removed the unnecessary line in the -p description (The -devtype pattern cannot be used to mix Nearline (NL), Fibre Channel (FC), and Solid State Drive (SSD) drives.
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2 Bug ID Item Description 37281 Alert of IDE file integrity check Updating CIMserver configuration files will on /opt/tpd/apihome/ trigger unnecessary IDE alert since the files in / cimserver_planned.conf opt/tpd are under monitoring for changes. The CIMserver configuration files are now placed in / var/opt/tpd to avoid the issue. This issue was fixed in 2.3.1, but it occurs again in 2.3.1MU1 due to changing the path incorrectly.
InForm OS Version 2.3.1 MU2 3PAR InForm OS Release Notes 3.4 Known Issues with the InForm CLI Bug ID 48776 Item Description CLI online help for The CLI online help for the createsv command, in the createsv states A Notes section, incorrectly states that a maximum of maximum of 2048 2048 virtual copies per volume are allowed. virtual copies per volume are allowed. This sentence should read A maximum of 500 virtual copies per volume are allowed.
3PAR InForm OS Release Notes 46372 Drive cage displays do not InForm OS Version 2.3.1 MU2 The showcage -sfp command shows the sfp state as correctly report degraded OK, Degraded, Failed or Unknown. For an SFPs. unqualified SFP, the state should be Degraded but is shown as OK. Workaround: If showcage –sfp shows an SFP as OK, try using showcage –sfp –d . If the Qualified field shows No, then it is an unqualified SFP and its state should be deemed as Degraded.
