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On Tue, 2010-06-29 at 17:22 +0000, tmclaugh-VThn6mlTRQFChFL4AGkBsw at public.gmane.org wrote: > (Apologies if this email gets double posted. Wasn't sure if my other > address was subscribed to this too.) > > Hey, I'm setting up a CentOS 5.5 box right now which uses a LUN from > our SAN. Originally I had user_friendly_names enabled so I was using > /dev/mapper/mpath0 as the device name. I want to change that to > reflect the LUN ID from the SAN so I disabled user_friendly_names and > set alias to LUN34. I rebooted the box but I do not see > /dev/mapper/LUN34 and instead see /dev/mapper/<wwid>. Does anyone see > what I'm missing? I can't figure out what I'm missing. I've read the > docs correctly and /dev/mapper/LUN34 should exist right? Thanks. > > tom You're close. If you re-enable user_friendly_names, multipathd will use your *alias* as the UFN. You'll get /dev/mapper/LUN34 as you expect. Before you were using UFN but getting the default alias.... ccb > > > multipath.conf > --- > devnode_blacklist { > devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*" > devnode "^hd[a-z]" > ## Only here in case we don't want a device created while testing > # devnode "^sd[a-z]" > devnode "^cciss!c[0-9]d[0-9]*" > } > > defaults { > udev_dir /dev > # user_friendly_names yes > } > > multipaths { > multipath { > wwid 360060160b606160000601cffa8b7db11 > alias LUN34 > no_path_retry queue > path_grouping_policy group_by_prio > hardware_handler "1 emc" > } > } > > devices { > device { > vendor "DGC" > product "LUNZ" > getuid_callout "/sbin/scsi_id -g -u -s /block/%n" > } > } > > _______________________________________________ > Discuss mailing list > Discuss-mNDKBlG2WHs at public.gmane.org > http://lists.blu.org/mailman/listinfo/discuss
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