Curt wrote: > Unfortunately my crypttab (which I've never touched or looked at) > reveals the following: > > # <target name> <source device> <key file> <options> > cryptswap1 /dev/sda5 /dev/urandom swap,cipher=aes-cbc-essiv:sha256 > > Which is dangerous because that dev/sda5 gets wiped out at every > (re)boot. > > curty@einstein:~/tips$ find -L /dev/disk -samefile /dev/sda5 > /dev/disk/by-partuuid/00065379-05 > /dev/disk/by-path/pci-0000:00:11.0-ata-1-part5 > /dev/disk/by-id/wwn-0x50014ee2b0b1534b-part5 > /dev/disk/by-id/ata-WDC_WD15EARS-22MVWB0_WD-WCAZA8328525-part5 > > I probably should change my crypttab (as a sane precaution) to: > > swap > /dev/disk/by-id//dev/disk/by-id/ata-WDC_WD15EARS-22MVWB0_WD-WCAZA8328525-part5 > /dev/urandom swap,cipher=aes-cbc-essiv:sha256,size=256 > > Still, I'm uncertain what goes into /etc/fstab. > > /dev/mapper/swap none swap sw 0 0 > > ?
in the above example (crypttab) you could replace /dev/sda5 with /dev/disk/by-id/ata-WDC_WD15EARS-22MVWB0_WD-WCAZA8328525-part5 in fstab however goes whatever is returned by lvm (most probably leave untouched) regards
