help with recover data from software raid 1

[compdoc]

>md1 : active raid1 sdc[1] sdb2[0]
>       391382976 blocks [2/2] [UU]
>        [>....................]  resync =  0.1% (745088/391382976)
>In this case everything would be fine, as sdb2 was empty. If it is the
>other way round things are more severe as it would mean writing zeros
>from sdb2 to sdc.

If it synced the wrong way would not both drives appear empty now? Did you 
allow the sync to complete?