Dell Acceleration Appliances for Databases - Manual (Page 56)

Installing Multipathing in HA Mode
To install multipathing in an ION Accelerator HA environment, use the
multipath.conf
file as
explained below.
These instructions apply to OL 6.4 and RHEL 6.4+.
1. Follow the instructions on the first line of the code about copying the file.
2. Follow the “uncomment” instructions near the end of the file.
3. Restart
multipathd
as indicated on the first line.
# copy this file to /etc/multipath.conf and restart multipathd
defaults {
user_friendly_names yes
queue_without_daemon no
}
devices {
device {
vendor "FUSIONIO"
features "3 queue_if_no_path pg_init_retries 50"
hardware_handler "1 alua"
path_grouping_policy group_by_prio
path_selector "queue-length 0"
failback immediate
path_checker tur
prio alua
# Uncomment if using FC. Do not use for SRP and iSCSI
#fast_io_fail_tmo 15
#dev_loss_tmo 60
}
}
Installing Multipathing with Host-Based Mirroring (RAID/LVM/ASM) in Standalone Mode
To install multipathing with RAID/LVM/ASM (host-based mirroring) in a standalone ION Accelerator
environment, use the
multipath.conf
file as explained below.
These instructions apply to OL 6.4, RHEL 6.4+, and SLES 11.
1. Follow the instructions on the first line about copying the file.
2. Follow the “uncomment” instructions at the end of the file.
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