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5
Device Naming
5-9
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
Software Requirements
Are Native
Devices
Supported?
Are Pseudo
Devices
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
(DMP always is fully configured and enabled)
• Existing installations of PowerPath
✔
(Preferred)
✔
✔
✔
VxVM 3.1 and earlier
• New installations of PowerPath
(DMP may be enabled or disabled)
• Existing installations of PowerPath
✔
(Preferred)
✔
✔
✔
Other volume managers (including Sun’s
DiskSuite, raw devices, filesystems on raw
devices, and raw table spaces)
• If DR is used
• If DR is not used
✔
✔
✔
(Preferred)
✔