PRIMECLUSTER Global File Services Configuration and Administration Guide 4.1 (Solaris(TM) 10 Operating System)

11.4.3 Partition addition

To add a partition as file data area, use sfcadd(1M). Execute the command on any one of the nodes where the file system is shared.

For details on sfcadd(1M), see sfcadd(1M).

If you add a partition to the file system that is not stopped properly, recovery the file system by executing the fsck_sfcfs(1M) command in advance.

How to add a file data partition (/dev/sfdsk/gfs01/rdsk/volume02) to an existing file system (/dev/sfdsk/gfs01/rdsk/volume01) by sfcadd(1M) is shown below.

1. Check the configuration of the current file system.

# sfcinfo /dev/sfdsk/gfs01/dsk/volume01 <Enter>
/dev/sfdsk/gfs01/dsk/volume01:
FSID special                                      size  Type  mount
   1 /dev/sfdsk/gfs01/dsk/volume01(11500000021)        14422  META  -----
   1 /dev/sfdsk/gfs01/dsk/volume01(11500000021)         5116  LOG   -----
   1 /dev/sfdsk/gfs01/dsk/volume01(11500000021)        95112  DATA  -----

2. Add a file data partition (/dev/sfdsk/gfs01/dsk/volume02) as file data area.

# sfcadd -D /dev/sfdsk/gfs01/rdsk/volume02 /dev/sfdsk/gfs01/rdsk/volume01 <Enter>

3. Confirm that the file data partition has been added.

# sfcinfo /dev/sfdsk/gfs01/dsk/volume01 <Enter>
/dev/sfdsk/gfs01/dsk/volume01:
FSID special                                      size  Type  mount
   1 /dev/sfdsk/gfs01/dsk/volume01(11500000021)        14422  META  -----
   1 /dev/sfdsk/gfs01/dsk/volume01(11500000021)         5116  LOG   -----
   1 /dev/sfdsk/gfs01/dsk/volume01(11500000021)        95112  DATA  -----
   1 /dev/sfdsk/gfs01/dsk/volume02(11500000022)        65512  DATA  -----

To add a file data partition, be aware of the following:

• A file data partition addition is not possible if doing so would exceed the maximum number of partitions (-o maxvol=n) for the file system, as specified by mkfs_sfcfs(1M).
• When file data region size after adding partition exceeds the maximum file data region size specified by mkfs_sfcfs(1M) (-o maxdsz=n), a part of free area in file data region might not be able to be used because of management region shortage.