Arch Linux

Here's an example of trying to install grub on a Xen VBD:

# grub-install /dev/xvdg
expr: non-integer argument
/dev/xvda1 does not have any corresponding BIOS drive.
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The problem is a goofy regular expression in grub-install, which accounts for 'sd*', 'hd*', and several other block device types, but doesn't handle 'xvd*'.

This change resolves the issue:

diff -ur grub-0.97/util/grub-install.in grub-0.97/util/grub-install.in
--- grub-0.97/util/grub-install.in 2004-07-24 18:57:31.000000000 +0000
+++ grub-0.97/util/grub-install.in 2012-06-10 13:51:18.771960189 +0000
@@ -97,11 +97,13 @@
case "$host_os" in
linux*)
tmp_disk=`echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \
+ -e 's%\(xvd[a-z]\)[0-9]*$%\1%' \
-e 's%\(d[0-9]*\)p[0-9]*$%\1%' \
-e 's%\(fd[0-9]*\)$%\1%' \
-e 's%/part[0-9]*$%/disc%' \
-e 's%\(c[0-7]d[0-9]*\).*$%\1%'`
tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[a-z]\([0-9]*\)$%\1%' \
+ -e 's%.*/xvd[a-z]\([0-9]*\)$%\1%' \
-e 's%.*d[0-9]*p%%' \
-e 's%.*/fd[0-9]*$%%' \
-e 's%.*/floppy/[0-9]*$%%' \


# grub-install /dev/xvdg
Installation finished. No error reported.
This is the contents of the device map /boot/grub/device.map.
Check if this is correct or not. If any of the lines is incorrect,
fix it and re-run the script `grub-install'.

(hd0) /dev/xvda
(hd1) /dev/xvdf
(hd2) /dev/xvdg
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