<div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="ProgId" content="Word.Document"><meta name="Generator" content="Microsoft Word 12"><meta name="Originator" content="Microsoft Word 12"><link rel="File-List" href="file:///C:%5CDOCUME%7E1%5CYCHELL%7E1.BD_%5CLOCALS%7E1%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_filelist.xml"><link rel="themeData" href="file:///C:%5CDOCUME%7E1%5CYCHELL%7E1.BD_%5CLOCALS%7E1%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_themedata.thmx"><link rel="colorSchemeMapping" href="file:///C:%5CDOCUME%7E1%5CYCHELL%7E1.BD_%5CLOCALS%7E1%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_colorschememapping.xml"><style>  </style> Problem: Delay construction of multipath device (/ dev/dm-3) I have a server and all works well at the beginning and I have no problem with multipath: - Server SunX4100 - Sun Storage Sun Storage Teck 2540 - Redhat Enterprise 5.2 (2.6.18-128.1.16.el5) - 1Seul fiber card (Dual Port) optical Qlogic (qla2xxx) - 2 Qlogic Fiber Switch 5600 # multipath -v2 -ll mpath2 (3600a0b80004946b80000083b4a4a0137) dm-3 SUN,LCSM100_F [size=305G][features=1 queue_if_no_path][hwhandler=1 rdac][rw] \_ round-robin 0 [prio=100][active] \_ 3:0:0:1 sdf 8:80 [active][ready] \_ round-robin 0 [prio=0][enabled] \_ 4:0:0:1 sde 8:64 [active][ghost] mpath1 (3600a0b8000493fb6000008674a4a0130) dm-2 SUN,LCSM100_F [size=240G][features=1 queue_if_no_path][hwhandler=1 rdac][rw] \_ round-robin 0 [prio=100][enabled] \_ 4:0:0:0 sdd 8:48 [active][ready] \_ round-robin 0 [prio=0][enabled] \_ 3:0:0:0 sdc 8:32 [active][ghost] My fstab : /dev/VolGroup00/LogVol00 / ext3 defaults 1 1 LABEL=/boot /boot ext3 defaults 1 2 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /dev/dm-2 /home auto defaults 0 0 /dev/dm-3 /data auto defaults 0 0 /dev/VolGroup00/LogVol01 swap swap defaults 0 0 # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 64G 20G 42G 33% / /dev/sda1 99M 24M 71M 25% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm /dev/dm-2 240G 148G 93G 62% /home /dev/dm-3 305G 115G 191G 38% /data After a while, the boot I got the message that displays: Mounting local filesystems: mount: special device / dev/dm-3 does not exist / sbin / mount.gfs gfs_controld not running error mounting lock proto lock_dlm After starting the server I do: # multipath -v2 -ll mpath1 (3600a0b8000493fb6000008674a4a0130) dm-2 SUN,LCSM100_F [size=240G][features=1 queue_if_no_path][hwhandler=1 rdac][rw] \_ round-robin 0 [prio=100][active] \_ 4:0:0:0 sdd 8:48 [active][ready] And # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 64G 20G 42G 33% / /dev/sda1 99M 24M 71M 25% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm /dev/dm-2 240G 148G 93G 62% /home I tried to solve the problem When I do: # service multipathd restart Then # multipath -v2 -ll mpath2 (3600a0b80004946b80000083b4a4a0137) dm-3 SUN,LCSM100_F [size=305G][features=1 queue_if_no_path][hwhandler=1 rdac][rw] \_ round-robin 0 [prio=100][active] \_ 3:0:0:1 sdf 8:80 [active][ready] \_ round-robin 0 [prio=0][enabled] \_ 4:0:0:1 sde 8:64 [active][ghost] mpath1 (3600a0b8000493fb6000008674a4a0130) dm-2 SUN,LCSM100_F [size=240G][features=1 queue_if_no_path][hwhandler=1 rdac][rw] \_ round-robin 0 [prio=100][enabled] \_ 4:0:0:0 sdd 8:48 [active][ready] \_ round-robin 0 [prio=0][enabled] \_ 3:0:0:0 sdc 8:32 [active][ghost] I have a good result and I do mount-a. I made the upgrade to Redhat 5.4 (2.6.18-164.el5) but I have not solved the problem. It must be done at boot How I can do.<span style="background: rgb(235, 239, 249) none repeat scroll 0% 0%; font-family: "Calibri","sans-serif"; -moz-background-clip: border; -moz-background-origin: padding; -moz-background-inline-policy: continuous;" lang="EN-US"> I can give you my "sosreport" if you want. Thanks </div>