Compaq ProLiant 8500 Compaq Parallel Database Cluster Model PDC/05000 for Orac - Page 90

Supported RAID Levels, StorageWorks Command Console SWCC or the Command Line Interface

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4-16 Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide The PDC/O5000 implements RAID at the hardware level, which is faster than software RAID. When you implement RAID on shared storage arrays, you use the hardware RAID to perform such functions as making copies of the data or calculating checksums. To implement the RAID sets, use the Compaq StorageWorks Command Console (SWCC) or the Command Line Interface (CLI) window for the HSG80 Array Controllers. NOTE: Do not use the software RAID offered by the operating system to configure your shared storage disks. Supported RAID Levels RAID provides several fault-tolerant options to protect your cluster's shared data. However, each RAID level offers a different mix of performance, reliability, and cost. The MA8000/EMA12000 Storage Subsystem and HSG80 Array Controllers used with the PDC/O5000 supports these RAID levels: I RAID 1 I RAID 0+1 I RAID 3/5 I RAID 5 For RAID level definitions and information about configuring hardware RAID, refer to the following: I Refer to the information about RAID configuration contained in the StorageWorks documentation provided with the HSG80 Array Controller. I Refer to the Compaq white paper Configuring Compaq RAID Technology for Database Servers, #ECG 011/0598, available at the Compaq website at www.compaq.com I Refer to the various white papers on Oracle8i, which are available at the Compaq ActiveAnswers™ website at www.compaq.com/activeanswers/

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4-16
Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide
The PDC/O5000 implements RAID at the hardware level, which is faster than
software RAID. When you implement RAID on shared storage arrays, you use
the hardware RAID to perform such functions as making copies of the data or
calculating checksums. To implement the RAID sets, use the Compaq
StorageWorks Command Console (SWCC) or the Command Line Interface
(CLI) window for the HSG80 Array Controllers.
NOTE:
Do not use the software RAID offered by the operating system to configure your
shared storage disks.
Supported RAID Levels
RAID provides several fault-tolerant options to protect your cluster
’
s shared
data. However, each RAID level offers a different mix of performance,
reliability, and cost.
The MA8000/EMA12000 Storage Subsystem and HSG80 Array Controllers
used with the PDC/O5000 supports these RAID levels:
■
RAID 1
■
RAID 0+1
■
RAID 3/5
■
RAID 5
For RAID level definitions and information about configuring hardware
RAID, refer to the following:
■
Refer to the information about RAID configuration contained in the
StorageWorks documentation provided with the HSG80 Array
Controller.
■
Refer to the Compaq white paper
Configuring Compaq RAID
Technology for Database Servers,
#ECG 011/0598, available at the
Compaq website at
www.compaq.com
■
Refer to the various white papers on Oracle8
i
, which are available at the
Compaq
ActiveAnswers™
website at
www.compaq.com/activeanswers/