On Thu, 2008-02-28 at 15:07 -0800, Pradipmaya Maharana wrote: > Ok; this is what I did: > > mkinitrd /boot/initrd.final.img 2.6.18-53.el5xen --with=dm-multipath > > Changed the /boot/grub/menu.lst file to point to new initrd image file. > Reboot is fine but multipath -ll is still null. :( > > What am I missing here. That is odd!! What version of RHEL do you have ? Do you see 2 scsi devices (sda and sdb) for the same lun when your system is up ? Can you send the o/p of mkinitrd. Can you extract the file "init" from your initrd image and send it. Can you check if the device is blacklisted in your multipath.conf file ? > > Regards, > Pradipmaya. > > > On Thu, Feb 28, 2008 at 1:36 PM, Chandra Seetharaman > <sekharan@xxxxxxxxxx> wrote: > > On Thu, 2008-02-28 at 12:11 -0800, malahal@xxxxxxxxxx wrote: > > > Pradipmaya Maharana [pradipmaya@xxxxxxxxx] wrote: > > > > Multipath is getting loaded, if that is what you are wondering about. > > > > After reboot I check for multipathd status, and smod for the modules > > > > loaded, everything looks fine. > > > > > > No, I am asking if initrd image contains multipath commands. You need to > > > use cpio to extract the initrd image and see the source code to check > > > it! > > > > > > multipath has to be loaded and *run* before mounting your real root. If > > > it gets loaded after mounting your real root, it is too late to have > > > multipath on root disk! Looks like you need to regenerate initrd with > > > multpath support. > > > > Yes, Malahal is right. You need to create initrd with multipath tools. > > You can do this by running mkinitrd with "--with=dm-multipath" > > (Follow the SLES10 installation instructions in my documentation > > http://sources.redhat.com/lvm2/wiki/MultipathUsageGuide ) > > > > > > > --Malahal. > > > > > > -- > > > dm-devel mailing list > > > dm-devel@xxxxxxxxxx > > > https://www.redhat.com/mailman/listinfo/dm-devel > > -- > > > > ---------------------------------------------------------------------- > > Chandra Seetharaman | Be careful what you choose.... > > - sekharan@xxxxxxxxxx | .......you may get it. > > ---------------------------------------------------------------------- > > > > > > > > -- > > dm-devel mailing list > > dm-devel@xxxxxxxxxx > > https://www.redhat.com/mailman/listinfo/dm-devel > > -- ---------------------------------------------------------------------- Chandra Seetharaman | Be careful what you choose.... - sekharan@xxxxxxxxxx | .......you may get it. ---------------------------------------------------------------------- -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
