Dell POWEREDGE R720XD - Manual (Page 32)

Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS
32
Status : Ok
Name : PERC H810 Adapter
Slot ID : PCI Slot 7
State : Ready
Firmware Version : 21.1.0-0007
Minimum Required Firmware Version : Not Applicable
Driver Version : 00.00.06.14-rh1
Minimum Required Driver Version : Not Applicable
Storport Driver Version : Not Applicable
Minimum Required Storport Driver Version : Not Applicable
<…snip…>
2. Check that the PERC H810 Adapter has 48 3TB disks available.
[root@nfs-dfc]# omreport storage pdisk controller=1
Disks will be numbered 0:0:0 to 0:0:11, 0:1:0 to 0:1:11, 0:2:0 to 0:2:11 and 0:3:0 to 0:3:11 in the
format <connector:enclosureID:portID>
3. Create a RAID 60 virtual disk with spanlength of 12 and stripe size of 512KB on the PowerVault
MD1200s.
[root@nfs-dfc]# omconfig storage controller controller=1
action=createvdisk raid=r60 size=max stripesize=512kb spanlength=12
pdisk=0:0:0,0:0:1,0:0:2,0:0:3,0:0:4,0:0:5,0:0:6,0:0:7,0:0:8,0:0:9,0:0:1
0,0:0:11,0:1:0,0:1:1,0:1:2,0:1:3,0:1:4,0:1:5,0:1:6,0:1:7,0:1:8,0:1:9,0:
1:10,0:1:11,0:2:0,0:2:1,0:2:2,0:2:3,0:2:4,0:2:5,0:2:6,0:2:7,0:2:8,0:2:9
,0:2:10,0:2:11,0:3:0,0:3:1,0:3:2,0:3:3,0:3:4,0:3:5,0:3:6,0:3:7,0:3:8,0:
3:9,0:3:10,0:3:11
4. Check that the virtual disk has finished initializing and is ready. This can take several hours. Double
check the size of the device (110TB) and note the device name (/dev/sdc) from the command
below.
[root@nfs-dfc ~]# omreport storage vdisk controller=1
List of Virtual Disks on Controller PERC H810 Adapter (Slot 7)
Controller PERC H810 Adapter (Slot 7)
ID : 0
Status : Ok
Name : Virtual Disk 0
State : Ready
Hot Spare Policy violated : Not Assigned
Encrypted : No
Layout : RAID-60
Size : 111,760.00 GB (120001386250240 bytes)
Associated Fluid Cache State : Active
Device Name : /dev/sdc
Bus Protocol : SAS
Media : HDD
Read Policy : No Read Ahead
Write Policy : Write Back
Cache Policy : Not Applicable