> Hi all,
>
> First of all, I'm new to raid on Linux (or any other OS). I think I have
> sufficient experience with linux to set Raid up, but there are some
> questions....
>
> I want to use Raid 1 (software raid) om my webserver. I had a hdd crash
a
> few weeks ago. Backups were available, but the downtime was quit high...
>
> I have read trough the howto's, but I still have some questions.
>
> So here we go:
> This is my partition table:
>
> /dev/hda1 /
> /dev/hda5 /home
> /dev/hda6 /root
> /dev/hda7 swap
> /dev/hda8 /www
>
> 1) Is it possible to have two disks (hda & hdc), having exact copies of
> eachother (that means including swap, etc....)?? I read something about
> that it was not possible to mirror swapspace .....
It is only possible the mirror partitions, not whole physical drives.
Theoretically it would be possible to take whole physical drives, link it
together with raid 1 (for example: /dev/md0), partition the /dev/md0 drive with
the partitions as you like it. It should be bootable, because the
raid-super-block is at the end of the disk and the beginning of the /dev/md0 device is
at the beginning of the disk (boot-sector,...). I have tried this with an
older version of the md-device (0.36) and it wasn't possible there. Maybe that
has changed.
> 2) I'm planning to use kernel 2.2.10. Is raid available & stable for
this
> kernel? I only found some patches & raidtools for 2.1.x....
i found it on: ftp.at.kernel.org, ftp.de.kernel.org, ftp.fi.kernel.org in
/pub/linux/daemons/raid/alpha, the files are named
raid0145-19990724-2.2.10.bz2 for the kernel-patch and raidtools-19990724-0.90.tar.bz2
for the tools.
> Well, that's it for now....
>
> TIA,
>
> Dirk
>
Hope, i could help ya
Thomas
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