EMC VPLEX with GeoSynchrony 4.1 Installation and Setup Guide
70
Setting up VPLEX
2. Type the following command to claim the storage volume(s) that
you will use for the logging volume:
storage-volume claim -n <storage_volume_name> -d
<storage_volume_ID>
where:
• <storage_volume_name> is an unique name you are assigning to the volume.
• <storage_volume_ID> is the ID (for example, Symm2206_2ADF, or
clar2065_LUN537) in the output from step 1.
Note: If you want to claim multiple storage volumes, separate the volume IDs with
commas or use the command storage-volume claimingwizard, as described in the
VPLEX CLI Guide.
3. Type the following command to create an extent:
extent create -d <storage-volume_name>,<storage-volume_
name>,.....
Repeat this step for each extent you want to create on the cluster.
4. Type the following commands to create the logging volume:
cd /clusters/cluster-<Cluster_ID>/system-volumes
logging-volume create -n <name> -g <raid_geometry> -e <extent_1> ,
<extent_2> [, <extent_3> ... <extent_n>] -d <stripe_depth>
where:
• <name> is a name for the logging volume.
• <raid_geometry> is the RAID type: raid-0 or raid-1.
• <extent_> identifies the name(s) of the extent(s) that make(s) up the logging
volume.
• -d <stripe_depth> is required only if <geometry> is raid-0.
The stripe depth must be:
– Greater than zero, but no greater than the number of blocks of the smallest
element of the RAID 0 device being created
– A multiple of 4000 bytes
Note: A depth of 32 means that 128 K (32x4K)iswritten to the first disk, the next
128 K is written to the next disk, and so on.
Example for cluster 2:
logging-volume create -n cluster_2_log_vol -g raid-0 -e ext1 , ext2
-d 32
5. From the VPlexcli prompt on management server 1, repeat steps 1
through 4 for cluster 1.
Task 26: Verify that
the clusters are fully
connected
1. From the VPlexcli prompt on management server 1, type the
following command, and verify that all directors in cluster 2 appear in the output:
ll /engines/engine-2-*/**/directors
VPlexcli-2
VPlexcli-2
VPlexcli-2
VPlexcli-1
VPlexcli-1
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