Hi,
I'm a long-time LILO (both loaders have their merits) and non-RAID user,
but have recently been fiddling with Linux Software RAID (mdadm) and
GRUB Legacy configurations (as it's all that is offered with Debian
testing and Knoppix by default). I've made progress and understand more
than I did when I started. However, there were some problem areas.
I've checked the manual, FAQ, Bugs for GRUB Legacy and the archives of
this mailing list. I found a few things but they apply to RAID1 only if
I understand correctly (disable raid autodetect and manually specify md,
or install grub on both discs). I was wondering if there were any other
known workarounds or patches for GRUB Legacy, from the ugly or tedious
to the not-so-bad techniques, any and all. :-) Also thrown into the
mix is WinXP. Currently storing GRUB on floppy, and manually entering
config on each boot, to help me learn.
Specific areas:
* RAID 1, RAID 10, RAID5
* Partitionable RAID devices
* Picking the most up-to-date drive
Right now the cleanest option seems to be to simply put a separate ext2
partition at the beginning of each disc, have a kernel and initrd there
to handle the RAID setup, and install grub multiple times, and update
everything manually. But I have SATA discs, which are treated like SCSI
discs, and thus have a 16 partition limit instead of the much higher IDE
limit. I want to install a few different instances of Linux
distributions, as well as other operating systems. And the appropriate
swap partitions and data partitions. The only feasible way is to
utilize partitionable RAID arrays to minimize the primary and logical
partitions used as I'm pretty close to the limit and have hit it with
some configurations.
Leif
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