On Sun, Feb 04, 2001 at 12:28:30AM +0100, Jean-Eric Cuendet wrote:
>
> Hi,
> I have a server with RAID1 partitions with linux 2.4.1 (stock,
> self-compiled) installed.
> It was easy to create the RAID partitions but when booting, no
> auto-detection is successful.
> The kernel says that autodetect is running, then done, but nothing is
> auto-detected.
> My devices are IDE devices (hda + hdc) and all drivers are bult-ins (no
> initrd nor modules).
> After the boot, making a raidstart works like a charm...
> Any advice?
> Help welcomed.
From http://unthought.net/Software-RAID.HOWTO/Software-RAID.HOWTO-4.html#ss4.10
---------------------------------------------
4.10 Autodetection
Autodetection allows the RAID devices to be automatically recognized by the kernel at
boot-time, right after the ordinary partition detection is done.
This requires several things:
* You need autodetection support in the kernel. Check this
* You must have created the RAID devices using persistent-superblock
* The partition-types of the devices used in the RAID must be set to 0xFD (use fdisk
and set the type to ``fd'')
---------------------------------------------
I guess you forgot to mark the partitions as type 0xfd. I have a similar box
here with 2.4.1 and autodetect works like a charm.
Cheers,
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