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Read these instructions only if your array is not already configured
or if you want to completely remove the existing configuration and start
over. If you want to change portions of the existing configuration,
refer to the topics under Updating/Changing
Your Storage. Use Standard Configuration Options to quickly configure all of
the storage attached to an array controller using one RAID level.
All you need to supply is the RAID controller, the optimization mode,
and the RAID level. You also need to specify whether you want a standby
drive. SANscape then automatically configures the storage for you, creating
one or more logical drives, depending on the RAID level and the number
of drives available. The write-back cache
is selected by default. You are able to see the resulting configuration and accept or reject it before it is completed.
CAUTION: Back up any existing data to an external device before using the Standard Configuration. Standard Configuration OVERWRITES any existing logical drive configuration. When the existing logical drive configuration is overwritten, all data is effectively erased.
The Standard Configuration Options window is displayed. If you are not currently logged in as ssconfig, a login dialog is displayed. The options on the window might be disabled, depending on the number of drives available and whether you have a Windows NT operating system or Solaris operating environment on the server. The NT Cluster option creates a quorum RAID 5 logical drive (100 Mbyte), and then allocates the remaining capacity over two large RAID 5 logical drives. For this option, three or more physical drives are required.
If the server and the controller displayed at the top of the window are not correct for the new logical array, click Cancel to exit the configuration window and return to the main window. Select the appropriate device and select the window again.
When you select Use a standby drive, SANscape deactivates the RAID levels that do not use standby drives. (For example, RAID 0 has no fault tolerance; therefore, a standby drive provides no benefit.)
For definitions of the RAID levels, refer to RAID Levels. If you select RAID 3 or 5, the Standard Configuration normally configures one logical drive. However, if the array has more than 31 physical drives, more than one logical drive is created. Also, you need a minimum of three drives to use RAID 3 or 5. If you select RAID 1, every logical drive requires two physical drives with a maximum of 44. Note that if you select four or more drives, a logical drive with a RAID 1+0 is created. If you select RAID 0 and the array has more than 44 drives, more than one logical drive is created.
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