EMC 300-000-978 REV A03 manual Volume Managers

PowerPath Administration on Solaris

Table 5-2 indicates when native and pseudo devices are supported, and which device naming conventions we prefer in environments with specified software requirements. If no preference is specified, both supported options are equally good.

Table 5-2	Support for Native and Pseudo Devices
		Are Native	Are Pseudo
	Software Requirements	Devices	Devices
		Supported?	Supported?
	Boot Requirements
	Boot-time failover—Symmetrix and CLARiiON	No	✔ (For the root
			filesystem)
	Volume Managers
	VxVM 3.1.1 and later
	• New installations of PowerPath	✔ (Preferred)	✔
	(DMP always is fully configured and enabled)
	• Existing installations of PowerPath	✔	✔
	VxVM 3.1 and earlier
	• New installations of PowerPath	✔ (Preferred)	✔
	(DMP may be enabled or disabled)
	• Existing installations of PowerPath	✔	✔
	Other volume managers (including Sun’s
	DiskSuite, raw devices, filesystems on raw
	devices, and raw table spaces)
	• If DR is used	✔	✔ (Preferred)
	• If DR is not used	✔	✔

Device Naming 5-9

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