Bug#772795: grub installation fails on a fakeraid/sataraid/dmraid system

[Pirate Praveen]

package: grub-pc
version: 1.99-27+deb7u2
severity: critical

I had to spend a lot of time researching on the internet to finally find
this https://wiki.debian.org/DebianInstaller/SataRaid and install grub
manually. This was wheezy 7.7.0 DVD 1.

I don't know if debian installer can detect a sataraid system and load
dm-raid module manually (I'll open another bug for that). But grub
installation should not fail when dmraid=true.

Instead of suggesting to install on /dev/mapper grub should choose the
correct devise like /dev/mapper/isw_bdfjhfbiei_Volume1 when dmraid=true
is present in the kernel command line.

Server model is Dell PowerEdge T20 and SATA controller is Intel C226
chipset.


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