User's Manual

Frequently Asked Questions 299
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Frequently Asked Questions
This section provides frequently asked questions that address situations
commonly experienced in a storage environment.
Why is a Rebuild not Working?
For more information, see A Rebuild Does Not Work.
How Can I Safely Remove or Replace a Physical
Disk?
The following sections provide information related to safely removing a
healthy physical disk:
• For disks that reside in an enclosure, use the Prepare to Remove task to
locate the disk within the enclosure and deactivate it prior to removal.
• For physical disks included in a virtual disk, use the Offline task to
deactivate the disk prior to removal. For more information, see Online and
Offline. If you need help locating the disk within the enclosure, you can
blink the disk’s light-emitting diode (LED) displays. For more
information, see Blink and Unblink (Physical Disk).
The following sections describe how to replace a disk that has failed or is
receiving SMART alerts:
• Replacing a Failed Disk
• Replacing a Physical Disk Receiving SMART Alerts
The following sections have related information:
• Moving Physical and Virtual Disks from One System to Another
• Recovering from Removing the Wrong Physical Disk
• Protecting Your Virtual Disk with a Hot Spare