[plug] grub query in mixed sata / pata setup
Denis Brown
dsbrown at cyllene.uwa.edu.au
Thu Aug 2 10:54:59 WST 2007
Hello PLUG list members,
Not totally sure if this is sata / pata related but here goes...
ASUS P5K mobo with sata controller within the Intel P35 chipset
(Northbridge, from what I can infer) and a JMicron JMB363 device providing
pata and other services. Disk setup is three 300GB sata which will be
software RAID5'ed to provide the data store and an 80GB pata drive intended
for system use. Also pata CD/DVD-RW.
The CD is connected as master, the 80GB drive as slave (I think it odd, but
if I change that to HDD master and CD slave it will not see or boot from
the CD.)
Ubuntu (7.0.4 for 64-bit) installs on the 80GB drive and determines that it
is /dev/sdd The three to-be-RAIDed's are /dev/sda, sdb and
sdc. Attempt to boot from the HDD yields error 17 "Cannot mount selected
partition" from GRUB.
But... I activated the boot choice menu screen for Grub and it appears -
ergo the path /boot/grub *is* being found. Further, if I drop into Grub's
shell (the "c" key from the boot choice menu) I can do a cat
/boot/grub/menu.lst for example and find the contents as I expect them. I
can also successfully see the contents of fstab with a cat /etc/fstab
So, what's its problem about not being able to mount the partition????
May not be related... initially I was getting Grub error 5 and eliminated
this by fdisk'ing the three data drives to create a partition on
each. Hmmm... maybe I should format them to something (ext3 for example)
just in case Grub is trying to mount one of them. But why would
it? Nothing in the Ubuntu installation talked about setting up the data
drives.
Hitting with clue-bat appreciated :-)
Denis
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