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Troubleshooting: Your Array 261
Troubleshooting a Damaged Array
CAUTION: Many repairs may only be done by a certified service technician.
You must only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1
Ensure that the following components are properly installed:
• Hard drives
• RAID controller module s
• Power supply/cooling fan modules
• Control panel
•Backplane
2
Ensure that all the cables are properly connected and that there are no
damaged pins in the connectors.
3
Run diagnostics available in Dell PowerVault Modular Disk (MD) Storage
Manager software. In the AMW, select a component in the
Physical
pane
of the
Physical
tab. Select
Advanced
Troubleshooting
Run
Diagnostics
.
If the test fails, see "Getting Help" on page 265.
Troubleshooting RAID Controller Modules
Conditions
Certain events can cause a RAID controller module to fail and/or shut down.
Unrecoverable ECC memory or PCI errors, or critical physical conditions can
cause lockdown. If your RAID storage array is configured for redundant access
and cache mirroring, the surviving controller can normally recover without
data loss or shutdown.
Typical hard controller failures are detailed in the following sections.
book.book Page 261 Tuesday, September 27, 2011 3:25 PM