I had tried this with persistent-superblock 1. It had worked fine for me. I also agree with Luca Berra. You should use LVM on top of RAID. Any particular reason you are using RAID on top on LVM? thx,arv. -----Original Message----- From: Uday Bhaskar Sarma Seetamraju [mailto:sarma@bellatlantic.net] Sent: Tuesday, September 25, 2001 11:32 PM To: linux-lvm@sistina.com Subject: [linux-lvm] RAID1 on TOP of LVM Hi, I have had LVM for a little while now. I have even successfully extended an LV. Moved PVs. And better yet. Destroyed and recreated an LV containing Data :-) The final step, RAID1. But I stumbled. Can someone help? ========= /etc/raidtab file ========= raiddev /dev/md0 raid-level 1 nr-raid-disks 2 nr-spare-disks 0 chunk-size 4 persistent-superblock 0 device /dev/MKP/1 failed-disk 0 device /dev/MKP.1/1 raid-disk 1 ========= output of mkraid in single user mode ========= # mkraid /dev/md0 Hadling MD device /dev/md0 analyzing super-block disk 0: /dev/MKP/1, failed returned a status of 0. # mkraid --version mkraid version 0.90.0 # uname -a Linux linux1.localdomain 2.4.3-20mdk #1 Sun Apr 15 23:03:10 CEST 2001 i686 unknown (Mandrake 8.0 distribution downloaded from web site). ========= the LVM info ========= Logical Volume Manager 0.9 Heinz Mauelshagen, Sistina Software 13/11/2000 (IOP 10) vgscan -- reading all physical volumes (this may take a while...) vgscan -- found active volume group "MKP" vgscan -- found active volume group "MKP.1" vgscan -- found active volume group "MGA" vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created vgscan -- WARNING: you may not have an actual VGDA backup of your volume groups lvscan -- ACTIVE "/dev/MKP/1" [3.99 GB] lvscan -- ACTIVE "/dev/MGA/1" [2 GB] lvscan -- ACTIVE "/dev/MKP.1/1" [4 GB] lvscan -- 3 logical volumes with 9.99 GB total in 3 volume groups lvscan -- 3 active logical volumes pvscan -- reading all physical volumes (this may take a while...) pvscan -- ACTIVE PV "/dev/hda6" of VG "MKP" [2 GB / 0 free] pvscan -- ACTIVE PV "/dev/hda10" of VG "MKP" [2 GB / 0 free] pvscan -- ACTIVE PV "/dev/hdc6" of VG "MKP.1" [2.04 GB / 0 free] pvscan -- ACTIVE PV "/dev/hdc10" of VG "MKP.1" [2.04 GB / 88 MB free] pvscan -- ACTIVE PV "/dev/hda7" of VG "MGA" [2 GB / 0 free] pvscan -- total: 5 [10.09 GB] / in use: 5 [10.09 GB] / in no VG: 0 [0] [EoInfo] _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
