522 IBM eX5 Implementation Guide
To install the MSM software, read the Installation and User’s Guide for MSM at the following
website.
http://ibm.com/support/entry/portal/docdisplay?lndocid=SERV-RAID
You must have administrator or root equivalent operating system privileges to install and fully
access the MegaRAID Storage software.
There are four setup options:
Complete: This option installs all program features.
Client: This option installs the required components to remotely view and configure
servers.
Server: This option only installs the required components for remote server management.
Stand Alone: This option only installs the required components for local server
management.
9.13.2 Drive states
A drive group is one or more drives that are controlled by the RAID controller.
There are multiple drive states. The following list describes all of the possible drive states:
Online
A drive that can be accessed by the RAID controller and is part of the virtual drive.
Unconfigured Good
A drive that is functioning normally but is not configured.
Hot Spare
A drive that is powered up and ready for use as a spare in case an online drive fails. There
are two Hot Spare drive states: Dedicated and Global.
Failed
A drive that was originally configured as Online or Hot Spare, but on which the firmware
detects an unrecoverable error.
Rebuild
A drive to which data is being written to restore full redundancy for a virtual drive.
Unconfigured Bad
A drive on which the firmware detects an unrecoverable error.
Missing
A drive that was Online but which has been removed from its location.
Offline
A drive that is part of a virtual drive but which has invalid data as far as the RAID
configuration is concerned.
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