yes i know its silly ... im doing what im told to do :p ok so, i also do know, its performance is going to suck ! but i was under the impression that RAID 1 works on more that one disks only. so you mean to say that, the linux RAID / md tools support raid 1 on multiple partitiions of the same disk ? Regards, Ashwin On Sat, 13 Nov 2004 11:33:25 +0100, Peter T. Breuer <ptb@lab.it.uc3m.es> wrote: > ashwin chaugule <ashwin.chaugule@gmail.com> wrote: > > Im trying to get RAID 1 working on a single disk. Can anyone > > tell me if thats possible ? > > Yes, of course it is. > > > Do I have to use LVM for that ? > > No. > > > So, far this is what i've understood ... > > Now.. I have a separate disk on which I want RAID 1. > > so I create one PV on that disk (/dev/hdd) > > No you don't. LVM is not involved. > > > create a logical vol grp. > > > No you don't. LVM is not involved. > > > > add 4 LV's , for four filesystems of the same type ... > > No you don't. LVM is not involved. > > > then in /etc/raidtab or whatever .. > > say that i have 4 disks and for each disk specify each LV partition .. > > No you don't, since LVM is not involved. > > > then mkraid /dev/md0 ... > > > > Is this correct if I want data to be mirrored across all 4 partitions > > , using RAID 1 on a single disk ? > > So, you are talking about a mirror with 4 components, all of them > partitions on the same disk? > > Well, that's silly, but nothing stops you doing it. Just maek a raidtab > for the mirror and name the partitions as raid-disk components there. > The RAID howto or faq should tell you all you need to know, as should > the mananpage for the conf file or mdadm, or whatever ... > > Peter > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > -- Ashwin Chaugule Embedded Systems Engineer Aftek Infosys ltd. [Embedded Division] _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
