Software array died?

[gurgle]

I think my software raid5 died

I set up this software raid with edgy server edition, and everything seemed to work fine. Now, one of my disks isnt showing up, and now it mount even mount. This morning it was working fine. My info:

mdadm: md device /dev/md0 does not appear to be active.

evan@server:~$ sudo fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 1 60801 488384001 fd Linux raid autodetect

Disk /dev/hdb: 40.0 GB, 40000000000 bytes
255 heads, 63 sectors/track, 4863 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/hdb1 * 1 4661 37439451 83 Linux
/dev/hdb2 4662 4863 1622565 5 Extended
/dev/hdb5 4662 4863 1622533+ 82 Linux swap / Solaris

Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sdb1 1 60801 488384001 fd Linux raid autodetect

Disk /dev/sdc: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sdc1 1 60801 488384001 fd Linux raid autodetect
evan@server:~$

evan@server:~$ sudo mdadm --assemble /dev/md0 /dev/sda1 /dev/sdb1 /dev/sdc1
mdadm: Unknown keyword sudo
mdadm: Unknown keyword sudo
mdadm: /dev/md0 assembled from 2 drives - not enough to start the array.