troubleshooting Question

Recommendations for Vdisk and volume configuration on HP P2000 G3 iSCSI for VMware ESXi 5.1

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neilfreemanFlag for United Kingdom of Great Britain and Northern Ireland asked on
StorageVMware
4 Comments1 Solution1542 ViewsLast Modified:
Hello,

We currently have 1 Vdisk configured on an HP P2000 G3 iSCSI MSA Dual Controller SAN used by 2 x VMware ESXi hosts.

The existing Vdisk (not created by us) is a RAID 5 array made up of 7 x 300GB 15K drives with 1 spare giving 1.8TB of space

There are 3 volumes of 500GB mapped to the VMware hosts, leaving 300GB of free space. Would this free space have been left for a reason?

We now need to add more space and an additional VMware physical host to increase the amount of VMs we can create.

We have added 16 disks to the SAN enclosure, 8 x 300GB 15K and 8 x 600GB 10K SFF drives

The plan is to create 2 additional Vdisks:

RAID 10 with 8 x 300GB 15K drives giving 1.2 TB of space for VMs requiring higher storage performance

RAID 5 with 7 x 600GB 10K drives giving 3.6TB of space, with the remaining 1 x 600GB drive assigned as a global spare - this would be used for general file storage

We are stuck at the point of creating the volumes under each new Vdisk.

Should we create one big volume or divide into chunks?
Should any free space be left like on our original Vdisk?

Many thanks in advance for your help and suggestions

Original Vdisk
Volumes
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