7914support2-0209.fm Draft Document for Review March 28, 2011 12:24 pm
414 IBM System Storage DS3500: Introduction and Implementation Guide
Figure 14-117 Drive Channel Status Details
2. You can clear the cumulative error counts for both drive channels by selecting either Drive
Channel 1 or 2 in the Summary view and then clicking the Clear Error Counts button.
3. You can manually set a drive channel to the Degraded state to force all I/Os to use a
different drive channel by selecting either Drive Channel 1 or 2 in the Summary view and
clicking the Set Degraded button. You will be asked to confirm that you want to perform
this operation. Type “yes” in the textbox and click OK to continue.
4. If the status of either of the two Drive Channels is Degraded, the Summary view reports
the status as shown in Figure 14-118 on page 415. To set the Drive Channel to the
Optimal status, select the Drive Channel in the Summary view and click the Set Optimal
button. You will be asked to confirm that you want to perform this operation, Click Yes to
continue.
Important: This procedure is an advanced troubleshooting technique and should not
be attempted if there are no problems with your DS3500 storage system
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