Hi Jakob, > <paranoia mode="on"> > I suppose I could connect some of the disks via. FC to a > remote disk enclosure on another UPS (or powered with a diesel > generator). Hmm... Wonder if the > fibres will reach that bank-safe in the company bunker in > Switzerland... Oh, and then I will need an FC adapter and a > disk that will do 512 bit AES in hardware. > </paranoia> If you actually want to do something like that: you could use drbd (http://www.linbit.com/en) it's similar to raid1 over network, only the driver * knows not to read from the network side, * can do a quick sync after disconnect by using a change-bitmap * correctly determine which side has current data when doing a cold start I'm using this for several linux ha (activa/standby) clusters, works quite nicely. drbd doesn't do any encryption by itself, but since the connection is plain IP, you could use any of the available IP tunneling/encryption standards you like to get secure replication. Bye, Martin - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
