raid broken?

[Gentoo Server]

i get this and does it mean i have two drives offline and my raid is not secure anymore?
Can I reactivate these drives without restart?






gaia root # cat /proc/mdstat
Personalities : [raid0] [raid1] [raid5]
md3 : active raid1 hdd7[2](F) hda7[0]
154448768 blocks [2/1] [U_]

md2 : active raid0 hdd6[1] hda6[0]
9783296 blocks 32k chunks

md1 : active raid0 hdd5[1] hda5[0]
3903488 blocks 32k chunks

md0 : active raid5 hdl1[7] hdk1[6] hdj1[5] hdi1[4] hdh1[3] hdg1[2] hdf1[8](F) hde1[0]
1266579776 blocks level 5, 32k chunk, algorithm 2 [8/7] [U_UUUUUU]

unused devices: <none>
gaia root #