dm-crypt works on block devices, no matter if it's harddsiks,
partitions, or virtual blockdevices (lvm, md, net block device ...)
If you tie both disks together into one LV, you can of course create a
single crypto mapping for that LV - If this is wise is another question.
You might aswell have a crypto mapping for each device and tie those
together into one LV.
Regards
-Sven
P.S.: No, a SINGLE dm-crypt mapping does not handle two drives at the
same time in general.
Scott Castaline schrieb:
Is it possible to encrypt 2 physical harddrives as one LUKS volume? If
it is, would you make reference to both drives under the same cryptsetup
command? (cryptsetup -y --cipher aes-cbc-essiv:sha256 --key-size 256
luksFormat /dev/sdc1 /dev/sdd1). Both drives are 500GB and will be used
together as the same VG in LVM2.
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