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Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS

A.2. NFS server set up

After the PowerEdge R720 server is ready and cabled to the PowerVault MD1200, check Table 2 and

Table 4 for details on the software used for the solution.

1. Create two virtual disks on the five internal disks of the PowerEdge R720. This can be done through

the Ctrl+R menu on server boot-up.

•

One RAID 1 virtual disk on two drives. This will be used for the operating system. Configure

one additional drive as the hot spare for this RAID group.

One RAID 0 virtual disk on two drives. This will be used for swap space.

2. Install Red Hat Enterprise Linux (RHEL 6.3) on the RAID 1 virtual disk of the PowerEdge R720.

To use any GUI features of DFC or Dell OpenManage, select the "Desktop" group of

packages.

3. This solution is based on the

errata kernel version including kernel-devel and kernel-firmware rpms. Add these kernel

rpms to the system using the "rpm -ivh" flags. Do not upgrade the kernel version ("Uvh").

4. Reboot the server into the .14.1 kernel. Double check the kernel version.

[root@nfs-dfc ~]# uname -a

Linux nfs-dfc 2.6.32-279.14.1.el6.x86_64 #1 SMP Mon Oct 15 13:44:51 EDT

2012 x86_64 x86_64 x86_64 GNU/Linux

Figure 15.

Solution cabling

2.6.32-279.14.1.el6.x86_64

errata kernel for RHEL 6.3. Install this