7914support2-0209.fm Draft Document for Review March 28, 2011 12:24 pm
444 IBM System Storage DS3500: Introduction and Implementation Guide
Figure 14-153 Check Redundancy
4. Click the Start button and the check redundancy operation will begin. The logical drives in
the array are sequentially scanned, starting from the top of the table in the logical drive
dialog. These actions occur as each logical drive is scanned:
5. The progress bar shows the completion percentage of the redundancy check for a single
logical drive, with 100 percent being complete. If an operation error occurs before the
redundancy check completes, an error message appears.
6. The window shown in Figure 14-154 is displayed after the last logical drive in the array has
been checked, click Done to exit.
Figure 14-154 Check Redundancy completed
14.14.13 Recovery - Unreadable sectors
You can use the Unreadable Sectors Log View dialog to show a detailed list of all of the
known unreadable sectors detected on the storage subsystem. This dialog lets you clear and
save unreadable sectors. Information on unreadable sectors is maintained for both redundant
(RAID Level 1/10, RAID Level 3/5, and RAID Level 6) logical drives and non-redundant (RAID
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