Automating Storage DRS & Datastore Cluster Management in vSphere 5

Storage DRS is probably one of, if not the coolest feature in vSphere 5. Storage DRS allows you to cluster your datastores into what is known as a datastore cluster (storage pod) and automatically balances both your storage I/O and capacity just like DRS does with your compute. The user interface is extremely easy to use but as always, if you need to click through several screens to get to the outcome, some automation can never hurt :)

I decided to create a vSphere SDK for Perl script called datastoreClusterManagement.pl which allows you to automate all aspects of creating and managing your storage pod/cluster. You will need a system that has the vCLI installed or you can use VMware vMA 5 to run the script. You will also need to connect to a vCenter Server 5 for all SDRS operations.

You can download datastoreClusterManagement.pl script here.

The script supports 8 different types of operations and are describe below

Operation	Description
List	List all available datastore clusters
Query	Query details for a specific datastore cluster
Create	Create a datastore cluster
Delete	Delete a datastore cluster (Datastores are left intact)
Add Datastore	Add datastore(s) to an existing datastore cluster
Remove Datastore	Remove datastore(s) from an existing datastore cluster
Enter Maintenance Mode	Put a datastore into maintenance mode
Exit Maintenance Mode	Take a datastore out of maintenance mode

Here is an example of performing the "list" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation list

Here is an example of performing the "query" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation query --pod homer-NFS-pod

Here is an example of performing the "create" operation w/single datastore:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation create --datacenter MN-physical --enable_sdrs true --enable_sdrs_iometric true --pod moe-NFS-pod --sdrs_automation automated --sdrs_evaluate_period 480 --sdrs_imbal_thres 30 --sdrs_latency 15 --sdrs_util_diff 20 --sdrs_util_space 60 --datastore himalaya-NFS-moe-primp-1

Here is an example of performing the "create" operation w/datastore file:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation create --datacenter MN-physical --enable_sdrs true --enable_sdrs_iometric true --pod moe-NFS-pod --sdrs_automation automated --sdrs_evaluate_period 480 --sdrs_imbal_thres 30 --sdrs_latency 15 --sdrs_util_diff 20 --sdrs_util_space 60 --datastore_file dsfile

Here is an example of performing the "delete" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation delete --pod moe-NFS-pod

Here is an example of performing the "add_datastore" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation add_datastore --pod moe-NFS-pod --datastore himalaya-NFS-moe-primp-2

Here is an example of performing the "remove_datastore" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation remove_datastore --pod moe-NFS-pod --datastore himalaya-NFS-moe-primp-1

Note: Both "add_datastore" and "remove_datastore" operation support single datastore and/or datastore file

Here is an example of performing the "ent_maint" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation ent_maint --pod homer-NFS-pod --datastore himalaya-NFS-moe-primp-5

Here is an example of performing the "ext_maint" operation:

./datastoreClusterManagement.pl --server vcenter50-1 --username root --operation exi_maint --pod homer-NFS-pod --datastore himalaya-NFS-moe-primp-5

 
There is also complete perl docs for this script which can be called using the following command:

perldoc datastoreClusterManagement.pl