Damon L. Chesser wrote: > Ivan Glushkov wrote: >> Hi, >> >> I installed Debian on top of LVM and software RAID1 following this: >> >> http://dev.jerryweb.org/raid/ >> >> >> Everything is fine except that I cannot boot the Debian afterwards >> ("Insert boot disk" message from the bios). I used /dev/sdc and >> /dev/sdd. First problem is that I do not know which hdd I should enter >> as the first boot device in the bios. Moreover, obviously the bios does >> not see the /dev/md0 array, since I guess first the raid array should be >> started in order for grub to be loaded. I explicitly issued grub-install >> /dev/md0 using the recovery mode of the debian installer, but that did >> not help. >> >> Thanks in advance, >> Ivan >> >> >> > Ivan, > > you can not put grub (/boot) on an LVM. You can put /boot on a raid1. > If you made one raid1 device and made one partition on md0 you will not > be able to boot (assuming you then put LVM on top of that one > partition/used all of md0).
No, that's not the problem. I followed exactly the mentioned article. There, two disks are used and partitioned in two partitions - the first ones are used for one RAID1, which is formatted as ext3 and used for the /boot directory (i.e. no lvm for /boot). The second partitions on both disks are arranged in a second RAID1 array on which I have created separate logical volumes for / /usr /var and so on. > > Redo what you did only make either two partitions to md0, one for boot > (110Mb is large enough for most) and on partition2 put the rest of your > system ontop of the LVM. Or, partition your two hds to have two mdadm > raid1 . One small md0 for /boot and one md1 for the system with LVM on it. > > You will then have to install grub on to hdd or if hdc fails, you will > not be able to boot as grub will be installed onto hdc MBR. Makes sense? I taught I have to install the grub on the raid array, thus the grub will put a copy of itself on the first partition on both hard drives, used for the raid1, right? > > HTH > -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
