HP 3PAR X9000 File Serving Software (IBRIX) Implementation Guide (QL226-96987, June 2013)

For example, to set the sticky policy for segment s1 of file system FS_IGATE, use the following
command:
# ibrix_fs_tune -f FS_IGATE -p STICKY -S 1 -h eo s172s1.vpi.hp.com,eo
s172s2.vpi.hp.com
3. The rebalancer will determine how to distribute the data among all the segments. To rebalance
all segments, use the ibrix_rebalance -r -f FSNAME command.
For example, to rebalance all the segments of the file system FS_IGATE, use the following
command:
# ibrix_rebalance -r -f FS_IGATE
For more information about these commands, see the HP StoreAll Storage CLI Reference Guide,
which is available on the following HP website:
http://www.hp.com/support/StoreAllManuals
Evacuating Segments in a File System
A file system must be mounted when you evacuate its segments. Segments can be evacuated using
either the StoreAll OS CLI or GUI. This section describes general steps and commands that are
required to evacuate the segments in a file system through the StoreAll OS CLI.
1. To evacuate the segments in a file system, first create a mounted file system using the LUNs
that are exported from the 3PAR StoreServ Storage. See “Mounting a File System” (page 28).
2. Set the allocation policy to STICKY for one of the segments in the filesystem so that the new
files created will move to the sticky segment, using the following command:
# ibrix_fs_tune -f FSNAME {-h HOSTLIST |-g GROUPLIST} -p POLICY [-S STARTS EGNUM]
[ - R]
For example, to set the sticky policy for segment s1 of file system FS_IGATE, use the following
command:
# ibrix_fs_tune -f FS_IGAT E -p STICKY -S 1 -h eo s172s1.vpi.hp.com,eo
s172s2.vpi.hp.com
3. Run the following command to evacuate the segment. Data in segment 1 will be evacuated
and moved to the destination segment which is specified.
# ibrix_evacuate -e -f FSNAME -s SOURCESEGMENT -d DESTINATIONSEGMENT
4. For example, to evacuate segment 1 of file system fs1 and move the data to segment 2, issue
the following command:
# ibrix_evacuate -e -f fs1 -s 1 -d 2
For more information about these commands, see the HP StoreAll Storage CLI Reference Guide,
which is available on the following HP website:
http://www.hp.com/support/StoreAllManuals
34 Storage Allocation for Access by the HP StoreAll 9300 and HP 3PAR StoreServ Storage Usage