Dolby Laboratories Program Optimizer DP600 Replacement Manual - Page 4

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Replacing a Hard Drive
Please refer to the Addendum at the end of this document for the replacement text for this section.
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If one of the drive LEDs turns red, refer to Table
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Typically, the DP600 automatically rebuilds the RAID array when one of the RAID drives 
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has a problem or is replaced (with the power on). During the RAID rebuild process, LED 1 
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blinks in red in half‐second intervals. When the rebuild process is complete, LED 1 stops 
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blinking. 
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In some instances, you must initiate the rebuild process manually, as described at the end 
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of this procedure (for example, if you replace a non‐RAID drive). 
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If you replace both RAID drives, you also need to reinstall the DP600 software. In such a 
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case, follow the instructions for a clean installation in Section 3 of your Dolby
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Program Optimizer Manual. When you reinstall the software, the system automatically 
synchronizes the two RAID drives, re‐creating the original mirrored RAID array (manual 
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rebuild not required).
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Table
1 shows the LED conditions that specify the failed drive.
Table 1
Front-Panel LED
To replace a hard drive:
1.
Look at the front‐panel drive LEDs, then refer to Table
failed. The example in Figure
Figure 1
!
1
2
3
4
Figure 1
2
Local Storage LED Conditions
Condition
1
Solid red
1
Blinks in red in 
two‐second intervals
1
Blinks in red in 
half‐second intervals
2
Solid red
3
Solid red
4
Solid red
 
Failed drive
red LED
Red LED Indicates Failed Disk Drive
1 to determine which physical drive failed. 
Failed Physical Drive
1
2
Rebuilding RAID
3
4
5
1 shows that drive 3 has failed.
®
Dolby
DP600 Hard Drive Replacement Guide
®
 DP600 
1 to determine which drive has