Owner's Manual

Setting Up an iSCSI Cluster 57
Login to [iface: eth1-iface, target: iqn.2001-
05.com.equallogic:0-8a0906-93ee59d02-
674f999767d4942e-mdi-data1, portal:
10.16.7.100,3260]: successful
Login to [iface: eth1-iface, target: iqn.2001-
05.com.equallogic:0-8a0906-97be59d02-
d7ef99976814942e-mdi-fra1, portal:
10.16.7.100,3260]: successful
12
Display and verify all active connections and sessions:
iscsiadm -m session -i
13
Verify that the partitions are visible in operating system:
cat /proc/partitions
14
Repeat step 1 to step 13 on all the other hosts in the cluster.
Configuring Device Mapper Multipath to Volumes
1
Run the
/sbin/scsi_id
command against the devices created for
Oracle
to
obtain their unique device identifiers:
/sbin/scsi_id -gus /block/<device>
For example:
# scsi_id -gus /block/sda
2
Uncomment the following section in
/etc/multipath.conf
.
blacklist {
wwid 26353900f02796769
devnode "^(ram|raw|loop|fd|md|dm-
|sr|scd|st)[0-9]*"
devnode "^hd[a-z]"
}