PRIMECLUSTER Global File Services Configuration and Administration Guide 4.1 (Linux)

9.2.2.1 Defaults of parameters used in sfcmkfs(8)

The defaults of parameters used in sfcmkfs(8) are as follows.

[Table Defaults of parameters used in sfcmkfs(8)]

Parameter	Default
Data block size	Fixed to 8,192 byte
Minimum space area (-o free=n)	10% of the file data area
Number of i-nodes (-o nbpi=n)	One in an 8192-byte disk area
Update log area size (-o logsz=n)	1% of the file system size The available range is from 5 megabytes to 50 megabytes.
Meta-data area size Meta-data area size (-o metasz=n)	About 10% of the file system size
Number of MDS place in nodes (-o mdsnode=all|num)	2

The use ratio of the meta-data area decreases by growing of the file system size when the meta-data area size is not specified.
When building a file system, the file system should be configured to operate MDS on all nodes.