Bug#857743: Disk-Partitioning and RAID

Andreas Glaeser bugs.andreas.glaeser at freenet.de
Wed Mar 15 06:45:21 GMT 2017


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> Disk /dev/mmcblk0: 59.5 GiB, 63864569856 bytes, 124735488 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: gpt
> Disk identifier: AE10B6F7-6A0F-4E0E-98A1-565D1EE47ADE
> 
> Device            Start       End  Sectors  Size Type
> /dev/mmcblk0p1     2048   3905535  3903488  1.9G Linux RAID
> /dev/mmcblk0p2  3905536  46874623 42969088 20.5G Linux filesystem
> /dev/mmcblk0p3 46874624 121094143 74219520 35.4G Linux filesystem
> 
> Disk /dev/sda: 232.9 GiB, 250059350016 bytes, 488397168 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: gpt
> Disk identifier: 63231879-42E8-473D-91DB-FD2CE2FFD6A2
> 
> Device         Start       End  Sectors  Size Type
> /dev/sda1       2048   1953791  1951744  953M Linux filesystem
> /dev/sda2    1953792   5859327  3905536  1.9G Linux RAID
> /dev/sda3    5859328  48828415 42969088 20.5G Linux filesystem
> /dev/sda4   48828416 123047935 74219520 35.4G Linux filesystem
> /dev/sda5  123047936 130861055  7813120  3.7G Linux swap
> 
> Disk /dev/md0: 1.9 GiB, 1997537280 bytes, 3901440 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes

It seems, that I forgot about the disk-configuration, I tried to have as much redundancy
as possible, with the filesystem-/ on md-raid1 (XFS), made with the installer, and the
oter two partitions /mnt/bsys and /home with BTRFS-RAID1, made upon first boot, all of
them over the internal SD-card and the harddisk.
It is basically workable, as long as I do not upgrade all the software to the versions in
backports.
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