User's Manual


If you have created a virtual disk that exceeds the 1TB limitation, you should do the following:
1. Back up your data.
2. Delete the virtual disk.
3. Create one or more virtual disks that are smaller than 1TB.
4. Restore your data from backup.

Whether or not your Linux operating system limits virtual disk size to 1TB depends on the version of the operating system and any updates or modifications
that you have implemented. See your operating system documentation for more information.

Problems Associated With Using the Same Physical Disks for Both Redundant and
Nonredundant Virtual Disks

When creating virtual disks, you should avoid using the same physical disks for both redundant and nonredundant virtual disks. This recommendation applies
to all controllers. Using the same physical disks for both redundant and nonredundant virtual disks can result in unexpected behavior including data loss.


Specific Problem Situations and Solutions

This section contains additional trouble-shooting problem areas. Topics include:
l "Physical Disk is Offline or Displays an Error Status"
l "A Disk is Marked as Failed When Rebuilding in a Cluster Configuration"
l "Receive a "Bad Block" Alert with "Replacement," "Sense," or "Medium" Error"
l "Receive a "Bad Block" Alert with "Replacement," "Sense," or "Medium" Error"
l "Read and Write Operations Experience Problems"
l "A Task Menu Option is Not Displayed"
l "A Corrupt Disk or Drive Message Suggests Running autocheck During a Reboot"
l "Erroneous Status and Error Messages after a Windows Hibernation"
l "Storage Management May Delay Before Updating Temperature Probe Status"
l "You are Unable to Log into a Remote System"
l "CannotConnecttoRemoteWindowsServer™2003System"
l "Reconfiguring a Virtual Disk Displays Error in Mozilla Browser"
l "Physical Disks Display Under Connector Not Enclosure Tree Object"

Physical Disk is Offline or Displays an Error Status

A physical disk may display an error status if it has been damaged, taken offline, or was a member of a virtual disk that has been deleted or initialized. The
following actions may resolve the error condition:
l If a user has taken the disk offline, then return the disk to Online status by executing the Online disk task.
l Rescan the controller. This action updates the status of storage objects attached to the controller. If the error status was caused by deleting or
initializing a virtual disk, rescanning the controller should resolve this problem.
l Investigate whether there are any cable, enclosure, or controller problems preventing the disk from communicating with the controller. If you find a
problem and resolve it, you may need to rescan the controller to return the disk to Online or Ready status. If the disk does not return to Online or Ready
status, reboot the system.
l If the disk is damaged, replace it. See "Replacing a Failed Disk" for more information.

A Disk is Marked as Failed When Rebuilding in a Cluster Configuration

NOTE: SAS controllers do not allow you to create redundant and nonredundant virtual disks on the same set of physical disks.