VMware ESXi 5.0 Installation and RWC2 Tips and Tricks White Paper

ESXi 5.0 Related RAID Operations
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On the Virtual Drive Definition window, select the “RAID Level” from the first drop-down list.
Here RAID 5 is chosen. If needed, change the stripe size, the policies for Access, Read,
Write, IO, and Disk Cache and decide whether to use background initialization. And then
Click “Accept” to accept the changes, or click “Reclaim” to delete the changes and return
to the previous settings.
NOTE: There is a prompt in green that shows the max size of each RAID Level.
Figure 11. Virtual Drive Definition
12. If you choose the Write Through policy in step 11, the screen displays the warning “Write
Through mode eliminates risk of losing cached data in case of power failure. But it
may result in shower performance. Are you sure you want to select Write Through
mode?” then click “Yes” to save the configuration, or click “No” to return to the previous
screens and change the configuration.
Figure 12. Confirm the Write Policy