[CentOS] CentOS 6 and luksOpen

Tue Jun 20 15:06:25 UTC 2017
Leon Fauster <leonfauster at googlemail.com>

> Am 20.06.2017 um 16:53 schrieb m.roth at 5-cent.us:
> Upgraded a RAID. Copied everything from backup.
> And then my manager said I had to encrypt the drive.
> I've done that, and made the filesystem, but I can't mount it.
> CentOS 6.
> I have the entry in /etc/crypttab, and a key in /etc/crypt.pw, and the
> luks UUID in /etc/fstab. I cannot find the command that tells it to create
> the device in /dev/mapper from the info in /etc/crypttab.
> Clues for the poor? Yes, the server will, at some point in the future, go
> to CentOS 7, but that needs my user to be off for a while, and his jobs
> run literally for weeks, with loads upwords of 30 on an HBS (honkin' big
> server)....

MAPDEVICE=/dev/sdxy ; cryptsetup luksOpen ${MAPDEVICE} luks-$(cryptsetup luksUUID ${MAPDEVICE})
MAPDEVICE=/dev/sdxy ; mount /dev/mapper/luks-$(cryptsetup luksUUID ${MAPDEVICE}) /mnt