HPE EVA Storage

MSA 2000FC Configuration

 
Bob Verity
Occasional Advisor

MSA 2000FC Configuration

Does anyone have any details on the best way to virtual disks in a MSA 2000FC across 24 450GB disks? I only have two blades and have a need for 4 volumes on each blade servers. The MSA has redundant fans, power supplies, and controllers, disks in each RAID 5 group plus an additional hot spare disk. I have laid out the virtual disks in 2 sets with one VD going to system 00 and the other going to system 01. When creating the VD I picked every other disk for a total of 3-4 on the first bank of 12 disks and then the same numbers on the second bank of 12 disks in a RAID 5 configuration with any additional disk selected as the hot spare (Disk 12) on bank 1. For the second VD I created the same configuration using the even disks plus a hot spare (Disk 12) on bank 2.

I will include the details of the VD, and volumes below, but my question is there any pro or con to select the disks in the VD the way I have it laid out? Should I have selected disks 1-7, plus a hot spare as disk 8 on bank 1 for the first VD and selected disks 1-7, plus a hot spare as disk 8 on bank 2 for the second VD?

Hostname: SAPWIPRD00
Virtual Disks
VDISK Name: VD01-PRODUCTION (RAID5 + Hot Spare)
Usable Space: 2.7 TB
Disks Used
Data Disks
1-1, 1-3, 1-5, 1-7
2-1, 2-3, 2-5
Hot Spare Disks
1-12
Volumes
Volume Name: VD01_VOL1
Size: 150GB
Mount Point: E:\usr\sap\
Volume Name: VD01_VOL2
Size: 1200GB
Mount Point: F:\DATA\
Volume Name: VD01_VOL3
Size: 200GB
Mount Point: G:\LOG\
Volume Name: VD01_VOL4
Size: 1000GB
Mount Point: H:\BACKUP\


Hostname: SAPWIMIX01
VDISK Name: VD02-OTHER (RAID5 + Hot Spare)
Usable Space: 3.6 TB
Disks Used
Data Disks
1-2, 1-4, 1-6, 1-8
2-2, 2-4, 2-6, 2-8, 2-7
Hot Spare Disks
2-12
Volume Name: VD02_VOL1
Size: 150GB
Mount Point: E:\usr\sap\
Volume Name: VD02_VOL2
Size: 1800GB
Mount Point: F:\DATA\
Volume Name: VD02_VOL3
Size: 250GB
Mount Point: G:\LOG\
Volume Name: VD02_VOL4
Size: 1200GB
Mount Point: H:\BACKUP\

Free Disks
1-9, 1-10, 1-11
2-9, 2-10, 2-11
Free Space
1.8TB (W/Hot Spare)
2.2TB (WO/Hot Spare)

Bob