VERITAS Volume Manager™ 3.
Disclaimer The information contained in this publication is subject to change without notice. VERITAS Software Corporation makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. VERITAS Software Corporation shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual.
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Using VRTSexplorer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv VERITAS Volume Manager Hardware Notes
Hardware Notes Introduction This document provides hardware support information for the VERITAS Volume Manager™ Release 3.5 on HP-UX 11i.
Conventions BETA 19 July 2002 Conventions The following table describes the typographic conventions used in this guide. Typeface Usage Examples monospace Computer output, file contents, files, directories, software elements such as command options, function names, and parameters Read tunables from the /etc/vx/tunefstab file. New terms, book titles, emphasis, variables to be replaced by a name or value See the User’s Guide for details.
BETA 19 July 2002 Getting Help Getting Help If you have any comments or problems with the VERITAS products, contact the VERITAS Technical Support: ◆ U.S. and Canadian Customers: 1-800-342-0652 ◆ International Customers: +1 (650) 527-8555 ◆ Email: support@veritas.com For license information (U.S. and Canadian Customers): ◆ Phone: 1-925-931-2464 ◆ Email: license@veritas.com ◆ Fax: 1-925-931-2487 For software updates: ◆ Email: swupdate@veritas.
Getting Help BETA 19 July 2002 Using VRTSexplorer The VRTSexplorer program can help VERITAS Technical Support engineers diagnose the cause of technical problems associated with VERITAS products. You can download this program from the VERITAS FTP site or install it from the VERITAS Installation CD.
BETA 19 July 2002 Hardware Requirements Hardware Requirements VERITAS Volume Manager Supported Platforms The following platforms are supported for VERITAS Volume Manager 3.5 for HP-UX: ◆ A-class ◆ B-class ◆ C-class ◆ D-class 32/64 bit ◆ J-class ◆ K-class 32/64 bit ◆ L-class ◆ N-class ◆ R-class ◆ Superdome ◆ V-class ◆ RP8400 VERITAS Volume Manager Supported Disk Arrays The following peripherals are supported for VERITAS Volume Manager 3.
Hardware Requirements BETA 19 July 2002 Note Although the HP Surestore Disk Array FC60 can be used as an active/active disk array in some configurations, with VERITAS Volume Manager for HP-UX it can only be used as an active/passive disk array.
Hardware Requirements BETA 19 July 2002 ◆ EMC Symmetrix users must program their disk arrays in the Common Serial Number Mode before installing the Volume Manager package. ◆ The minimum level of microcode on the EMC Symmetrix should be: - 5265 or 5266 for Sym-4 on models 3330, 3430, and 3700 - 5265 or 5266 for Sym-4.8 on models 3630, 3830, and 3930 - 5566 for Sym-5 on models 8130, 8430, and 8730 ◆ The Common Serial Number Mode should be enabled for all channels that participate in the DMP.
Hardware Requirements BETA 19 July 2002 If each FC10 disk system is individually connected to the host (using separate HBAs), the above mentioned feature functions correctly and as expected. DMP and JBOD Support The Dynamic Multipathing feature on JBOD drives works only if the individual disks provide unique serial number information. If the individual disks do not provide unique serial numbers, even if the disks are configured for multipathing in hardware, the VxVM does not provide multipathing support.
BETA 19 July 2002 Controlling Path Switching of I/O over DMP Paths Controlling Path Switching of I/O over DMP Paths The dmp_pathswitch_blks_shift tunable may be used to control the number of contiguous I/O blocks (expressed as an integer power of 2) that are sent along a DMP path to an Active/Active array before switching to the next available path. The default value of this parameter is set to 10 so that 1024 blocks (2^10 * 1024 bytes or 1 MB) of contiguous I/O are sent over a DMP path before switching.
DMP and Hitachi Data Systems Fiber Disk Array Subsystem Support BETA 19 July 2002 Models 7700E / 9910 / 9960 DMP supports the Hitachi Data Systems 7700E/ 9910 / 9960 Disk Array Subsystems in Active/Active mode only. For JNI HBA's, some specific settings are recommended by Hitachi, please contact your Hitachi Data Systems Technical Support Representative for the correct driver configuration file.
