EVA Max IO Transfer Size

The HP EVA storage is optimized to perform at 128KB Max IO transfer size or less. If the host operating system uses large block size, it may reduce the storage performance. For example, ESXi use 32MB by default. To tune the value, you can go to host software advanced settings. Reference: http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/mostViewedDisplay/?javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken&javax.portlet.prp_efb5c0793523e51970c8fa22b053ce01=wsrp-navigationalState%3DdocId%253Dmmr_kc-0101662-8%257CdocLocale%253Dzh_HK&javax.portlet.tpst=efb5c0793523e51970c8fa22b053ce01&sp4ts.oid=436460&ac.admitted=1385425196533.876444892.199480143 http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/kb/docDisplay/?spf_p.tpst=kbDocDisplay&spf_p.prp_kbDocDisplay=wsrp-navigationalState%3DdocId%253Demr_na-c02518189-4%257CdocLocale%253D%257CcalledBy%253D&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003469

HP Storage Management Pack for SCOM

The following diagram shows how to use SCOM to monitor the HP EVA storage. In my environment, the HP command view and WEBES are installed on the same server named A, SCOM and WEBES listener are installed on the same server named B. On server B, ensure the WEBES listener is listening on TCP port … Continue reading HP Storage Management Pack for SCOM

Install HP Command View EVA in VMware Virtual Machine

There are two ways to allow HP command View EVA that’s installed in a virtual machine to manage the array: Virtualized SCSI mode and VMDirectPath mode. Virtualized SCSI mode – The Command View EVA instance can only view the active path to LUN 0 on a single controller. This mode is enabled by default when … Continue reading Install HP Command View EVA in VMware Virtual Machine