Public bug reported:
Hi.
the following stanza in /etc/multipath.conf
features "2 queue_if_no_path no_partitions"
produces the following error "multipath: Unrecognised multipath feature
request" and no devices is visible under /dev/mapper
If the line above is commented out, multipath works ok, although all the
partitions within the devices under /dev/mapper are shown. I have also
tried using
features "1 no_partitions"
and it didn't work
This configuration is been used in production machines running SLES 11SP3 -
SLES 12SP1 and it is working as expected
-------------------------------------------------------------------------------------------
lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
-------------------------------------------------------------------------------------------
apt-cache policy multipath-tools
multipath-tools:
Installed: 0.5.0+git1.656f8865-5ubuntu2.2
Candidate: 0.5.0+git1.656f8865-5ubuntu2.2
Version table:
*** 0.5.0+git1.656f8865-5ubuntu2.2 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
100 /var/lib/dpkg/status
0.5.0+git1.656f8865-5ubuntu2 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
-------------------------------------------------------------------------------------------
cat /etc/multipath.conf
blacklist {
devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
devnode "^hd[a-z]"
devnode "^dcssblk[0-9]*"
devnode "^(td|hd|vd)[a-z]"
devnode "^nvme.*"
devnode "^cciss!c[0-9]d[0-9]*"
device {
vendor "DELL"
product ".*"
}
}
blacklist_exceptions {
device {
vendor "DELL"
product "MD32xxi"
}
}
defaults {
user_friendly_names yes
max_fds 8192
}
devices {
device {
vendor "DELL"
product "MD32xxi"
path_grouping_policy group_by_prio
prio rdac
# polling_interval 5
path_checker rdac
path_selector "round-robin 0"
# hardware_handler "1 rdac"
failback immediate
features "2 queue_if_no_path no_partitions"
#no_path_retry 30
rr_min_io 100
# prio_callout "/sbin/mpath_prio_rdac /dev/%n"
}
}
** Affects: multipath-tools (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1636145
Title:
multipath: Unrecognised multipath feature request
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