Owner's Manual

iSCSI Cluster Setup for EqualLogic Storage Systems 33
Table 5-1 shows a sample volume configuration.
Create volumes in the Dell EqualLogic PS5000XV array and create access list
to allow all host iSCSI network interfaces to access the volumes. For example,
the following volumes are created:
• mdi-ocr-css-spfile
• mdi-data1
• mdi-data2
• mdi-fra1
Configuring the iSCSI Networks
It is recommended to configure the host network interfaces for iSCSI traffic
to use Flow Control and Jumbo Frame for optimal performance. Use the
ethtool utility to configure Flow Control.
Use the following command to check for Flow Control (RX/TX Pause) on
the interfaces: # ethtool -a <interface>
Table 5-1. Volumes for Oracle RAC Configuration
Volume Minimum
Size
RAID Number of
Partitions
Used For Operating System
Mapping
First Area
Volume
1024 MB 10 Three of 300
MB each
Voting Disk,
Oracle Cluster
Registry (OCR),
and SPFILE for
ASM instance
Three block
devices, each for
Voting Disk,
OCR, and
SPFILE
Second Area
Volume(s)
Larger than
the size
of your
database
10 One Data ASM disk group
DATABASEDG
Third Area
Volume(s)
Minimum
twice the
size of your
second area
volume(s)
5 One Flash Recovery
Area
ASM disk group
FLASHBACKDG