Red Hat Knowledgebase

By default every storage array that is truly active/active works with device mapper multipath without any specific configuration. Active/active means that all the controllers on the storage array are able to process I/O for every disk array configured at any point in time.

An active/passive storage array needs a specific configuration in order to work with device mapper multipath.

Device mapper multipath auto-configures the following storage arrays:

o 3PARdata VV
o Compaq HSV110
o Compaq MSA1000
o DDN SAN DataDirector
o DEC HSG80
o EMC SYMMETRIX
o EMC CLARiiON
o FSC CentricStor
o GNBD
o HITACHI DF400
o HITACHI DF500
o HITACHI DF600
o HP HSV110
o HP HSV210
o HP A6189A
o HP Open-
o IBM 3542
o IBM ProFibre 4000R
o NETAPP
o SGI TP9100
o SGI TP9300
o SGI TP9400
o SGI TP9500
o STK OPENstorage D280
o SUN StorEdge 3510
o SUN T4

Storage arrays not included in the list may require entries in the /etc/multipath.conf file. If you need to know if a specific storage array model works with device mapper multipath please check with the hardware vendor or with Red Hat support providing the technical specs of the storage system.