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Creare image disco con dd (partizioni cryptate)



Salve,

ho un disco da 500GB di sistema con Debian 10. Faccio il solito backup
dati con rsnapshot. Ecco l'output di lsblk:

sda                                                8:0        0 465,8G 
0 disk 
├─sda1                                          8:1        0  37,3G  0
part  /
├─sda2                                          8:2        0     1K  0
part 
└─sda5                                          8:5        0 428,5G  0
part 
  └─sda5_crypt                              254:0    0 428,5G  0 crypt
    ├─human--lvm-var                    254:1    0   9,3G  0 lvm   /var
    ├─human--lvm-swap                 254:2    0   7,5G  0 lvm   [SWAP]
    └─human--lvm-home                254:3    0 411,7G  0 lvm   /home

Ho molti dischi da 500GB e ho pensato di clonare il disco in caso
dovessi mai avere un disk failure. Se metto il secondo disco vuoto su
sdb e lancio un live CD, pensato che un semplice

dd if=/dev/sda of=/dev/sdb

funzionerà?

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