Specifications

DS300f G2 Series User Manual
249
devices {
device {
vendor “ASUS Storage”
product “DS300fG2”
path_grouping_policy multibus
getuid_callout “/sbin/scsi_id-g-u-s/block/%n”
path_checker readsector0
path_selector “round-robin0”
hardware_handler “0”
failback immediate
rr_weight uniform
rr_min_io 100
no_path_retry 20
features “1 queue_if_no_path”
product_blacklist “DS300fG2V-LUN”
}
}
5. Edittheletoincludethefollowinglinesunderdevnode_blacklist:
devnode_blacklist {
devnode “^sda$”
devnode“^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*”
devnode“^hd[a-z]”
devnode“^cciss!c[0-9]d[0-9]*”
}
6. Besurealltherelevantlinesofyourcongurationleareuncommented.
Removethe#characterfromthebeginningoftheline.
7. Savetheleasmultipath.conf.
8. Placeacopyofthemultipath.confleintotheHost’s/etcdirectory.
task 3: MakInG InItIal host settInGs
Afterthepackagesandcongurationleareinstalled,theHostisreadytoacceptmultipathsettings.
SettInG the Daemon to run
rhel 5.3, 5.4, 5.5
ThisactionrequiresRHELinstallationwiththe“linuxmpath”Option.SeeBefore You Begin.
TosettheMPdaemontorunatboottime:
1. Openaterminalwindow.
2. Verifythat/etc/rc.d/rc[3~5].d/hasasymboliclinkto
/etc/rc.d/init.d/multipathd.AlsoseetheNotebelow.
Runthecommand:
#ls-al/etc/rc.d/rc[3~5].d/|grepmultipathd
3. Ifthereisnosymboliclink,runthecommand:
#cd/etc/rc.d/rc[3~5].d/
Thenrunthecommand:
#ln-s/etc/rc.d/init.d/multipathdS13multipathd
Note:/etc/rc.d/rc[3~5].dsavesalinktostartateachrunlevel.
• Runlevel3isforasingleuser.
• Runlevel4isformultipleusers.
• Runlevel5isformultipleusersonXWindows.
sles 10 sP2, 10 sP3, 11, 11 sP1
TosettheMPdaemontorunatboottime:
1. Openaterminalwindow.
2. Setthedaemontorunatboottime.
#chkcongmultipathdon
Thesystemdoesnotreturnanything.