Dell Shared PowerEdge RAID Controller (PERC) 8 For Dell PowerEdge VRTX Systems User’s Guide

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Physical disk takes a long time to rebuild

Issue:
A physical disk is taking longer than expected to rebuild.
Description:
A physical disk takes longer to rebuild when under high stress. For example, there is one rebuild I/O operation for every five host I/O operations. You cannot add a second virtual disk to a disk group while the virtual disk in that disk group is undergoing a rebuild. The firmware does not allow you to create a virtual disk using the free space available in a disk group if a physical disk in a virtual disk group is undergoing a rebuild operation.

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