Why do I see the message "multipath.conf line <#>, invalid keyword: prio_callout" in RHEL 6 during boot or when starting multipathd?
Issue
I see the following message on boot:
Jun 25 11:28:13 | multipath.conf line 157, invalid keyword: prio_callout
prio "alua"
Environment
- Red Hat Enterprise Linux (RHEL) 6
device-mapper-multipath/etc/multipath.confcontains the keywordprio_callout
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