Creating a volume with a DRL log


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Creating a volume with a DRL log

To create a volume with a traditional DRL log by using the vxassist command

Type the following command:
# vxassist -g diskgroup make volume length mirror=2 \

logtype=drl [loglen=len-blocks] [logmap_len=len-bytes]

This command creates log subdisks that are each equal to the size of the DRL log.

Note the following restrictions

:

If neither `logmap_len` nor `loglen` is specified	`loglen` is set to a default value that is based on disk group alignment. `maplen` is set to a reasonable value.
If only `loglen` is specified	For pre-version 110 disk groups, `maplen` is set to zero. For version 110 and greater disk groups, `maplen` is set to use all the bytes available in the on-disk map.
If only `logmap_len` is specified	For pre-version 110 disk groups, `logmap_len` is not applicable. For version 110 and greater disk groups, `maplen` must be less than the number of available bytes in the on-disk map for the default log length.


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