VNX: Fejl "multipath.conf linje 16, ugyldigt nøgleord: prio_callout" ved opsætning af DM-MPIO på RHEL 6
Summary: Denne artikel forklarer løsningen, når en bruger modtager fejlen "multipath.conf linje 16, ugyldigt nøgleord: prio_callout."
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Symptoms
Ved opsætning af Device Mapper-Multipath I/O (DM-MPIO) på Red Hat Enterprise Linux (RHEL) 6 returneres følgende fejlmeddelelse:
[root@IL-RDC-RH-77 ~]# multipathd -v2 -d Mar 13 17:42:41 | --------start up-------- Mar 13 17:42:41 | read /etc/multipath.conf Mar 13 17:42:41 | multipath.conf line 16, invalid keyword: prio_callout Mar 13 17:42:41 | process is already running [root@IL-RDC-RH-77 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.2 (Santiago)
Cause
I RHEL 6-versionen er prioritetsfunktioner ikke længere billedforklaringsprogrammer. I stedet er de dynamiske delte objekter som stikontrolfunktionerne. Den prio_callout parameter er blevet erstattet af parameteren prio.
[root@IL-RDC-RH-77 ~]# cat /etc/multipath.conf
defaults {
user_friendly_names yes
}
blacklist {
devnode "^(ram|raw|loop|fd|md|dm-|sda|sr|scd|st)[0-9]*"
devnode "^hd[a-z]"
devnode "^cciss!c[0-9]d[0-9]*"
}
devices {
device {
vendor "DGC"
product "*"
prio_callout "/sbin/mpath_prio_alua /dev/%n" << This option is not correct for this version of RHEL.
path_grouping_policy group_by_prio
features "1 queue_if_no_path"
failback immediate
hardware_handler "1 alua"
}
}
Resolution
For at løse dette problem skal du redigere filen /etc/multipathd.conf .
Erstatte prio_callout "/sbin/mpath_prio_alua /dev/%n" med prio "emc" eller prio "alua"
Affected Products
VNX/VNXeProducts
Red Hat Enterprise Linux Version 6Article Properties
Article Number: 000059540
Article Type: Solution
Last Modified: 01 Oct 2025
Version: 4
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