On Tue, Jul 07, 2009 at 04:05:28PM +0100, Bryn M. Reeves wrote:
> On Tue, 2009-07-07 at 09:41 -0500, Andy wrote:
> > I am trying to change the path priorities on QLA2432 HBAs to a 3PAR array.
> > The kernel is 2.6.31-rc1 and multipath tools v0.4.9
> >
> > I created a small C program to change priorities (right now it just prints
> > some info). But, when I run multipath the verbose information keeps saying
> > prio = const (controller setting), even though I have "prio allant" (allant
> > is the name of my prioritizer). If I have "prio alllant" a global default
> > it will run the code for the non-QLA2432/3PAR device, but not the devices
> > that are under the control of the QLA2432. It always sets prio to const and
> > the QLA2432 paths. This use to work at some point with older
> > multipath/kernel versions.
>
> It would help if you included your multipath.conf (or a link to it).
>
defaults {
# multipath_tool "/sbin/multipath -v 0 -S"
udev_dir /dev
# polling_interval 10
# default_selector "round-robin 0"
selector "round-robin 0"
# default_selector_args 0
path_checker "readsector0"
# default_path_grouping_policy multibus
# default_getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
# default_prio_callout "/bin/false"
# path_grouping_policy multibus
path_grouping_policy group_by_prio
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/bin/true"
# prio_callout "/sbin/mpath_prio_random"
# prio "allant"
rr_min_io 8
}
blacklist {
devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
devnode "^hd[a-z][[0-9]*]"
devnode "^sda[[0-9]*]"
devnode "^cciss!c[0-9]d[0-9]*[p[0-9]*]"
}
# devnode_blacklist {
# devnode "(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
# devnode "hd[a-z][[0-9]*]"
# devnode "sda[[0-9]*]"
# devnode "^(sda)[0-9]*"
# devnode "cciss!c[0-9]d[0-9]*[p[0-9]*]"
# }
multipaths {
multipath {
# start_first_path 1
wwid 350002ac000020246
# path_grouping_policy multibus
path_grouping_policy group_by_prio
# path_checker readsector0
# path_selector "round-robin 0"
prio allant
# path_selector_args 0
rr_min_io 8 # u02 io count
alias u02
}
multipath {
# start_first_path 1
wwid 350002ac000ed0246
# path_grouping_policy multibus
path_grouping_policy group_by_prio
# path_checker readsector0
path_selector "round-robin 0"
# path_selector_args 0
prio allant
rr_min_io 1 # u01 io count
alias u01_vm1
}
multipath {
# start_first_path 1
wwid 350002ac000ee0246
# path_grouping_policy multibus
path_grouping_policy group_by_prio
# path_checker readsector0
path_selector "round-robin 0"
# path_selector_args 0
prio allant
rr_min_io 1 # u01 io count
alias u01_vm2
}
multipath {
# start_first_path 1
wwid 350002ac001260246
# path_grouping_policy multibus
path_grouping_policy group_by_prio
# path_checker readsector0
path_selector "round-robin 0"
# path_selector_args 0
prio allant
rr_min_io 1 # u01 io count
alias u01_vm3
}
multipath {
# start_first_path 1
wwid 350002ac001670246
# path_grouping_policy multibus
path_grouping_policy group_by_prio
# path_checker readsector0
path_selector "round-robin 0"
prio allant
# path_selector_args 0
rr_min_io 1 # u01 io count
alias u01_vm4
}
}
devices {
device {
vendor "COMPAQ "
product "HSV110 (C)COMPAQ"
path_grouping_policy multibus
getuid_callout "/sbin/scsi_id -g -u -s"
path_checker readsector0
path_selector round-robin
}
device {
vendor "COMPAQ "
product "MSA1000 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "COMPAQ "
product "MSA1000 VOLUME "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "DEC "
product "HSG80 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "HP "
product "HSV100 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "3PARdata"
product "VV "
# path_grouping_policy multibus
path_grouping_policy group_by_prio
prio allant
path_checker tur
}
device {
vendor "DDN "
product "SAN DataDirector"
path_grouping_policy multibus
path_checker tur
}
device {
vendor "FSC "
product "CentricStor "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "HITACHI "
product "DF400 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "HITACHI "
product "DF500 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "HITACHI "
product "DF600 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "IBM "
product "ProFibre 4000R "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "SGI "
product "TP9100 "
vendor "COMPAQ "
product "MSA1000 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "SGI "
product "TP9300 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "SGI "
product "TP9400 "
path_grouping_policy multibus
path_checker tur
}
device {
vendor "SGI "
product "TP9500 "
path_grouping_policy multibus
path_checker tur
}
device {
# all paths active but with a switchover latency
# LSI controlers
vendor "STK "
product "OPENstorage D280"
path_grouping_policy multibus
path_checker tur
}
device {
# assymmetric array
vendor "SUN "
product "StorEdge 3510 "
path_grouping_policy multibus
path_checker tur
}
device {
# symmetric array
vendor "SUN "
product "T4 "
path_grouping_policy multibus
path_checker tur
}
}
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