EMC VNX VG2/VG8 Gateway Configuration Setup Guide
132
Configure the boot array
EMC CONFIDENTIAL
Using Navisphere
CLI
To verify the VNX array write cache setting by using Navisphere CLI:
1. Enter the following command to display the amount of memory available in
megabytes:
# navicli -h <SP A_IP_address> getsp -mem
2. Enter the following command to check the current cache settings:
# navicli -h <SP A_IP_address> getcache
3. If you must change the cache settings, first disable read and write cache with the
following command:
# navicli -h <SP A_IP_address> setcache
-wc 0 -rca 0 -rcb 0
4. Enter the following commands to set the read and write cache values. You specify
the write cache on SP A only; you specify read cache for each SP separately.
# navicli -h <SP A_IP_address> setcache
-rsza <read_size_in_MB> -rszb <read_size_in_MB>
# navicli -h <SP A_IP_address> setcache
-wsza <write_size_in_MB>
5. Enable read and write caching with the following command:
# navicli -h <SP A_IP_address> setcache
-wc 1 -rca 1 -rcb 1
6. Verify that write cache was successfully enabled with the following command:
# navicli -h <SP A_IP_address> getcache
7. Go to “Step 5: Verify domain security is configured” on page 132.
Step 5: Verify domain security is configured
If you have a Symmetrix array instead of a VNX array, do not perform this step.
Verify that the Unisphere domain security is configured. This security provides
usernames and passwords for access through Unisphere and Navisphere CLI. All
security must be enabled on the VNX.
Choose either Unisphere or Navisphere CLI to verify that the security is configured.
For more information, see the white paper Securely Managing EMC CLARiiON Storage
Systems, A Detailed Review on http://Powerlink.EMC.com.
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