HP P6000 HP P6300/P6500 Enterprise Virtual Array User Guide (593079-001, June - Page 70
Configuring an ESX server, Loading the FCA NVRAM, Setting the multipathing policy
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Configuring an ESX server This section provides information about configuring the ESX server. Loading the FCA NVRAM The FCA stores configuration information in the non-volatile RAM (NVRAM) cache. You must download the configuration for HP products. Perform one of the following procedures to load the NVRAM: • If you have a ProLiant blade server: 1. Download the supported FCA BIOS update, available on http://www.hp.com/support/ downloads, to a virtual floppy. For instructions on creating and using a virtual floppy, see the HP Integrated Lights-Out User Guide. 2. Unzip the file. 3. Follow the instructions in the readme file to load the NVRAM configuration onto each FCA. • If you have a blade server other than a ProLiant blade server: 1. Download the supported FCA BIOS update, available on http://www.hp.com/support/ downloads. 2. Unzip the file. 3. Follow the instructions in the readme file to load the NVRAM configuration onto each FCA. Setting the multipathing policy You can set the multipathing policy for each LUN or logical drive on the SAN to one of the following: • Most recently used (MRU) • Fixed • Preferred ESX 2.5.x commands • The # vmkmultipath -s vmhba0:0:1 -p mru command sets vmhba0:0:1 with an MRU multipathing policy for all LUNs on the SAN. • The # vmkmultipath -s vmhba1:0:1 -p fixed command sets vmhba1:0:1 with a Fixed multipathing policy. • The # vmkmultipath -s vmhba1:0:1 -r vmhba2:0:1 -e vmhba2:0:1 command sets and enables vmhba2:0:1 with a Preferred multipathing policy. ESX 3.x commands • The # esxcfg-mpath --policy=mru --lun=vmhba0:0:1 command sets vmhba0:0:1 with an MRU multipathing policy. • The # esxcfg-mpath --policy=fixed --lun=vmhba0:0:1 command sets vmhba1:0:1 with a Fixed multipathing policy. • The # esxcfg-mpath --preferred --path=vmhba2:0:1 --lun=vmhba2:0:1 command sets vmhba2:0:1 with a Preferred multipathing policy. 70 Configuring application servers