$ mount
/dev/sdb1 on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
none on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
none on /dev type devtmpfs (rw,mode=0755)
none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
none on /dev/shm type tmpfs (rw,nosuid,nodev)
none on /var/run type tmpfs (rw,nosuid,mode=0755)
none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
none on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc 
(rw,noexec,nosuid,nodev)
gvfs-fuse-daemon on /home/orson/.gvfs type fuse.gvfs-fuse-daemon 
(rw,nosuid,nodev,user=orson)
$ cat /sys/block/sdb/queue/rotational
0

It looks like it doesn't work when using usb. I tried it on a regular
internal drive and I can force it to do either ssd or spinning style
boot using the pre-start script.

Also, how would you do debugging during the pre-start script?  I tried
echoing some stuff to a temp file, but it caused ureadahead to not
start.

-- 
Doesn't detect usb flash drive as SSD
https://bugs.launchpad.net/bugs/499237
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