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--- linux:fs:btrfs:encrypted [2025/03/23 09:39] – niziak
+++ linux:fs:btrfs:encrypted [2025/03/23 15:50] (current) – niziak
@@ Line 7: / Line 7: @@
 blkid /dev/nvme0n1p4
 </code>
+Consider [[https://wiki.niziak.spox.org/linux:backup:luks|luks header backup]]
 <file ini /etc/crypttab>
@@ Line 13: / Line 15: @@
 <code bash>
-systemctl daemon-reload
+cryptdisk_start home2
-systemctl restart cryptsetup.target
 dmsetup table
-cryptsetup luksClose home2
+mkfs.btrfs /dev/mapper/home2
+mkdir /home2
+mount /dev/mapper/home2 /home2
+cd home2
+btrfs sub create @home
+cd ..
+umount /home2
+cryptdisks_stop home2
+</code>
+<file ini /etc/fstab>
+/dev/mapper/home2 /home2               btrfs   noauto,noatime,nodiratime,relatime,subvol=@home 0       0
+</file>
+<code bash>
+systemctl daemon-reload
+cryptdisks_start home2
+mount /home2
+...
+umount /home2
+cryptdisks_stop home2
+update-initramfs -u -k all
 </code>