Dell PowerEdge External Media System 1434 Improving NFS performance on HPC clu - Page 32

Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS Status Name Slot ID State Firmware Version Minimum Required Firmware Version Driver Version Minimum Required Driver Version Storport Driver Version Minimum Required Storport Driver Version : Ok : PERC H810 Adapter : PCI Slot 7 : Ready : 21.1.0-0007 : Not Applicable : 00.00.06.14-rh1 : Not Applicable : Not Applicable : Not Applicable 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 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 32