hi "suporte"
On Mon, 10 Nov 2003, Suporte Linux Solutions wrote:
>
> Hi all,
> I have setup a raid 1 install with Debian Woody.
> I got two IDE RAID disks (hda and hdb) and put two root partitions (hda2 and
> hdb2). The first was for swap.
if you wan to do have raid1 mirroring work right,
use /dev/hda and /dev/hdc ( avoid using the same ide cable for 2
drives )
make sure that /dev/hda2 and /dev/hdc2 is less than 1024 cylinders
fdisk -l /dev/hda ( ending cylinder number )
> I boot with /dev/md0 with lilo
just change to boot=/dev/md0 and your system should work better
> I want to test my setup. How to proced?
power off the machine, pull out /dev/hda ( disconnect the disk),
and try to power up
- if it comes up ... write a 4GB file to /home/someplace/test.4GB.
power down, reconnect /dev/hda ... and watch it resync
cat /proc/mdstat
-------
reverse it ... disconnect /dev/hdc ... and try to power up
- write another 4GB test file
if the system boots off either disk, and resyncs the data from
the other drive... you're in reasonable shape to start more real tests
c ya
alvin
> # /etc/lilo.conf - See: `lilo(8)' and `lilo.conf(5)',
> # --------------- `install-mbr(8)', `/usr/share/doc/lilo/',
> # and `/usr/share/doc/mbr/'.
>
...
> # Specifies the boot device. This is where Lilo installs its boot
> # block. It can be either a partition, or the raw device, in which
> # case it installs in the MBR, and will overwrite the current MBR.
> #
> boot=/dev/hda
change that to:
===============
boot=/dev/md0
> # Specifies the device that should be mounted as root. (`/')
> #
> root=/dev/md0
>
...
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