Users Guide

Before continuing with the virtual disk reconfiguration, you should be familiar with the information in Starting And Target RAID
Levels For Virtual Disk Reconfiguration And Capacity Expansion and Choosing RAID Levels And Concatenation.
NOTE: You cannot reconfigure a virtual disk on a controller that is operating in cluster mode.
NOTE: You can create no more than 64 virtual disks on a controller. After you have reached this limit, you can no longer
reconfigure any of the virtual disks on the controller. But, for IR and PERC H200 controllers, you can create only two virtual
disks.
NOTE: On systems running the Linux operating system, if you reconfigure the same controller on which the operating
system resides, you may experience extremely slow system performance until the reconfiguration is complete.
NOTE: You may want to review Virtual Disk Considerations For Controllers. This section contains considerations that also
apply to reconfiguring a virtual disk on these controllers.
To Reconfigure A Virtual Disk - Step 1 of 3
1. Select the physical disks that you want to include in the virtual disk. You can expand the capacity of the virtual disk by
adding additional physical disks. On some controllers, you can also remove physical disks.
The changes you make to the physical disk selection are displayed in the Selected Physical Disks table.
NOTE: For a controller that has more than one channel, it may be possible to configure a virtual disk that is channel-
redundant.
NOTE: For PERC H730P MX and PERC H745P MX controllers, if any of the selected physical drives are in the spun
down state, the system displays a message that indicates the IDs of the spun down drives and the delay in executing
tasks on them.
NOTE: For PERC H730P MX and PERC H745P MX controllers, if the disk group has free space available, you can
expand the virtual disk capacity. To expand virtual disk capacity, click Expand Capacity.
2. Click Continue to go to the next page or Exit Wizard if you want to cancel.
To locate Reconfigure In Storage Management
1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects.
2. Expand a controller object.
3. Select the Virtual Disks object.
4. Select Reconfigure from the Available Tasks drop-down box.
5. Click Execute.
Virtual Disk Task - Reconfigure Step 2 of 3
Does my controller support this feature? See Supported Features.
The virtual disk reconfigure Step 2 page enables you to select the RAID level and size for the reconfigured virtual disk.
If you selected Expand Capacity in Step 1, this page allows you to expand the capacity of the virtual disk.
To Reconfigure a Virtual Disk (Changing the RAID Level and Size): Step 2 of 3
1. Select the new RAID level for the virtual disk — The available RAID levels depend on the number or physical disks selected
and the controller. The following describes the possible RAID levels:
● Depending on the controller, Concatenated enables you to combine the storage capacity of several disks or to create a
virtual disk using only a single physical disk. For information on whether the controller supports a single physical disk or
two or more when using Concatenated, see Number Of Physical Disks Per Virtual Disk. Using Concatenated does not
provide data redundancy nor does it affect the read and write performance.
● Select RAID 0 for striping — This selection groups n disks together as one large virtual disk with a total capacity of n
disks. Data is stored to the disks alternately so that they are evenly distributed. Data redundancy is not available in this
mode. Read and write performance is enhanced.
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Virtual Disks