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C
4
HAPTER
Initializing, Rebuilding, and Synchronizing RAID Arrays
More About Rebuilding Arrays
• Rebuilding Occurs in the Background
The rebuilding process takes some time to complete, and occurs in the background so
as not to affect the performance of the system.
• Rebuilding Applies Only to RAID 1, RAID 0+1, or RAID 5 Arrays
Rebuilding an array works only when using RAID 1 , RAID 0+1, or RAID 5. Rebuilding
does not apply to RAID 0 and JBOD arrays.
• Rebuilding applies to a degraded fault tolerant array
You can rebuild a degraded mirrored array using any available Free Disk or Dedicated
Disk.
For example,
having two Free Disks each 55.90 GB large.
Figure 4.14
To use one of these available free disks to rebuild your array, follow the same steps as
explained in
a disk, choose one of the two available free disks.
136
Figure 4.14
shows a mirrored array using two 34.48 GB drives while
Free Disks Available for Rebuilding
"Rebuilding a RAID Array" on page
132, except when prompted to select
MediaShield User's Guide – Version 4.0
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