7914DS3KPlanning_090710.fm Draft Document for Review March 28, 2011 12:24 pm
62  IBM System Storage DS3500: Introduction and Implementation Guide
Figure 3-20   Example of enclosure loss protection
In the example shown in Figure 3-21, if enclosure number 1 fails, the entire array becomes 
inaccessible.
Figure 3-21   An array without enclosure loss protection
Best practice: When possible, plan to use enclosure loss protection for your arrays.