I started up a precise/netboot install using debian-installer_20101020ubuntu136 and disk-detect/multipath/enable=true and found that multipath support didn't appear to be working. That is to say, both paths appeared as separate disks in the installer, and no device-mapper devices were instantiated.
I dropped to a shell and discovered that /sbin/multipath fails to run:
BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash)
Enter 'help' for a list of built-in commands.
Note: this also seems to be the case in oneiric, though oneiric also has a bug where it does not appear to have the dm-multipath module available at install time.
I started up a precise/netboot install using debian- installer_ 20101020ubuntu1 36 and disk-detect/ multipath/ enable= true and found that multipath support didn't appear to be working. That is to say, both paths appeared as separate disks in the installer, and no device-mapper devices were instantiated.
I dropped to a shell and discovered that /sbin/multipath fails to run:
BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash)
Enter 'help' for a list of built-in commands.
~ # multipath th.so.0: undefined symbol: dlopen
multipath: symbol lookup error: /lib/libmultipa
Note: this also seems to be the case in oneiric, though oneiric also has a bug where it does not appear to have the dm-multipath module available at install time.