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[dm-devel] multipath tools



Hi,
after few months later, I'm back in testing the multipathd. I found the dm-development are fast. lots of changes.
my previous test on multipathd-tools was a failure. and now i want to give another shot. I have a lil' problem here.


1. how to make the multipathd start before the initscript started to mount the disk partitions? I tried to modified the rc.sysinit files to start the multipathd after I populated the udev. some how it failed. my installations succeded and the "multipath -v 2" show me the correct answer. and the "dm-0" will only create by udev if I run multipathd. but would like to mount the "dm-0" to replace my /var partitions.

#
# all paths :
#
600508b400014ae80001b000001e0000 (0 0 0 1) sda [ready ] [HSV110 (C)COMPAQ]
600508b400014ae80001b000001e0000 (0 0 1 1) sdb [faulty] [HSV110 (C)COMPAQ]
600508b400014ae80001b000001e0000 (1 0 0 1) sdc [ready ] [HSV110 (C)COMPAQ]
600508b400014ae80001b000001e0000 (1 0 1 1) sdd [faulty] [HSV110 (C)COMPAQ]
#
# all multipaths :
#
600508b400014ae80001b000001e0000 [HSV110 (C)COMPAQ]
\_(0 0 0 1) sda [ready ]
\_(0 0 1 1) sdb [faulty]
\_(1 0 0 1) sdc [ready ]
\_(1 0 1 1) sdd [faulty]
#
# device maps :
#
reload:600508b400014ae80001b000001e0000:0 262144000 multipath 2 round-robin 2 0 8:0 8:32 round-robin 2 0 8:16 8:48


will greatly appreciate if some one can show me the way. Thank u very much.

my box has two HBA (emulex lp8000) connected to compaq SAN ver.2006(hsv110), running FC2, vanilla kernel 2.6.9, 2.6.9-udm1 patch, multipath-tools-0.3.3, udev-040, lpfc-driver-8.0.13

Please help me out.

Regards,
hwahing


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