HP LH4r Integrated HP NetRaid Controller Configuration Guide - Page 97

Configuring a Second Integrated, HP NetRAID Channel

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9 Configuring a Second Integrated HP NetRAID Channel If you have already configured, and are operating, a one-channel integrated HP NetRAID system, you can add a second HP NetRAID channel at any time. This chapter provides instructions on adding a second HP NetRAID channel after one channel has been operating for a time. (There are no special instructions if you enable two HP NetRAID channels when you first configure your system.) WARNING Be sure to follow these instructions exactly. If you don't follow all of the steps, you may jeopardize the integrity of your existing data. Be sure to back up your data--both RAID and non-RAID-before you configure a second integrated HP NetRAID channel. It is essential that you back up before you reconfigure your system. When you enable a second channel, you will have both Channel 0 and Channel 1. • If you initially included SCSI A on HP NetRAID, and now plan to include SCSI B, then the drives on SCSI A stay associated with HP NetRAID Channel 0, and the drives on SCSI B are now associated with HP NetRAID Channel 1. • If you initially included SCSI B on HP NetRAID, and now plan to include SCSI A, then the drives on SCSI B become HP NetRAID Channel 1, and the drives on SCSI A are now associated with HP NetRAID Channel 0. 91

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91
9
Configuring a Second Integrated
HP NetRAID Channel
If you have already configured, and are operating, a one-channel integrated HP
NetRAID system, you can add a second HP NetRAID channel at any time. This
chapter provides instructions on adding a second HP NetRAID channel after one
channel has been operating for a time. (There are no special instructions if you
enable two HP NetRAID channels when you first configure your system.)
WARNING
Be sure to follow these instructions exactly
. If you don't
follow all of the steps, you may jeopardize the integrity of
your existing data.
Be sure to back up your data
--both RAID and non-RAID--
before you configure a second integrated HP NetRAID
channel. It is essential that you back up before you
reconfigure your system.
When you enable a second channel, you will have both Channel 0 and
Channel 1.
•
If you initially included SCSI A on HP NetRAID, and now plan to include
SCSI B, then the drives on SCSI A stay associated with HP NetRAID
Channel 0, and the drives on SCSI B are now associated with HP
NetRAID Channel 1.
•
If you initially included SCSI B on HP NetRAID, and now plan to include
SCSI A, then the drives on SCSI B become HP NetRAID Channel 1, and
the drives on SCSI A are now associated with HP NetRAID Channel 0.