Dell PowerEdge External Media System 1434 Manual - Página 31
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Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS
Partitions
Hot Spare Policy violated
Encrypted
Layout
Size
Associated Fluid Cache State
Device Name
Bus Protocol
Media
Read Policy
Write Policy
Cache Policy
Stripe Element Size
Disk Cache Policy
Now create a swap space on the RAID 0.
# mkswap –L SWAP /dev/sdb
Turn on swap.
# swapon –p 10 /dev/sdb
Edit /etc/fstab and add an entry for this swap device.
"LABEL=SWAP swap swap pri=10 0 0"
Make sure the entry is listed before the default swap space the OS install created.
Test that swap can be enabled automatically when the server boots.
# swapoff –a
# swapon -s
# swapon –a
# swapon –s
5. Configure an ib0 IP-address on the InfiniBand interface. This is the IP the I/O clients will use to
mount the NFS share. It should be on the same subnet as the I/O clients.
Reboot the server for all these changes to take effect.
A.4. Virtual disk configuration
Create a virtual disk on the PowerVault MD1200s. This disk will be used as the NFS storage. All the
commands in this section are executed on the PowerEdge R720 NFS server.
1. Note the controller ID of the PERC H810 adapter. From the output below, the controller ID is 1.
[root@nfs-dfc]# omreport storage controller
List of Controllers in the system
<...snip...>
ID
: Available
: Not Applicable
: No
: RAID-0
: 557.75 GB (598879502336
: Not enabled
: /dev/sdb
: SAS
: HDD
: Adaptive Read Ahead
: Write Back
: Not Applicable
: 64 KB
: Disabled
: 1
bytes)
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