Dell Acceleration Appliances for Databases Manual de usuario descargar pdf (Pagina 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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Dell Acceleration Appliances for Databases Manual de usuario Pagina 56