Fulltext results:
- Bootloader
- em, you can mount the partitions and transfer the data anyway you like (as root user): 1. **rsync** needs params and data must be excluded, (but works f&f in a running sys... WARNING: Device /dev/ram0 not initialized in udev database even after waiting 10000000 microseconds. .
- btrfs
- imize ===== COW is not good for small files like database files: disable it for a directory: chattr... check: lsattr /var/lib/ balance reorders metadata - use after a lot data has changed or disc was full: fast: btrfs fi balance start -dusage=5 / good:... md raid or in raid mode, you can disable the metadata duplication for better performance btrfs bal s
- Crypto
- # write random data on the partition cryptsetup -c aes-xts-plain64 ... un **badblocks** check or **dd** to overwrite all data with random bit patterns badblocks -c 10240 -s... -l" (check vgdisplay): lvcreate -l 476931 -n lvdata cryptvg Percentage or M / G are also possible: lvcreate -l 60%VG -n lvdata cryptvg lvcreate -l 50000G -n lvdata cryptvg