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Table 4–1: Planning Your Configuration (cont.)
To increase: You can:
Disk availability Mirror disks across shared buses.
Use a RAID array controller.
Shared storage capacity Increase the number of shared buses.
Use a RAID array controller.
Increase disk size.
4.2 Obtaining the Firmware Release Notes
You may be required to update the system or SCSI controller firmware
during a TruCluster Server installation, so you may need the firmware
release notes.
You can obtain the firmware release notes from:
• The Web at the following URL:
http://www.compaq.com/support/
Select software & drivers, then select All Products under the
Alpha Systems heading. Select Alpha Firmware updates, then select
the appropriate system.
• The current Alpha Systems Firmware Update CD-ROM.
_____________________ Note _____________________
To obtain the firmware release notes from the Firmware
Update Utility CD-ROM, your kernel must be configured for
the ISO 9660 Compact Disk File System (CDFS).
To obtain the release notes for the firmware update, follow these steps:
1. At the console prompt, or using the system startup log if the Tru64
UNIX operating system is running, determine the drive number of
the CD-ROM.
2. Boot the Tru64 UNIX operating system if it is not already running.
3. Log in as root.
4. Place the Alpha Systems Firmware Update CD-ROM applicable to
the Tru64 UNIX version installed (or to be installed) into the drive.
5. Mount the CD-ROM as follows (/dev/disk/cdrom0c is used as an
example CD-ROM drive):
# mount -rt cdfs -o noversion /dev/disk/cdrom0cc /mnt
4–4 TruCluster Server System Configuration Using UltraSCSI Hardware