Nothing seems to care about the partition type(LVM or md). My working md partitions have the following types: Microsoft basic data Linux Raid Linux Filesystem All successfully reform into a working raid6 after reboot. On Tue, Oct 6, 2020 at 12:05 PM Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > > > > Am 06.10.20 um 18:07 schrieb linux-raid@xxxxxxxx: > > Is it possible to get the 2MiB "bios boot" partition into raid1? > > This seems to be the most vulnerable part of my setup. > should be no problem when you have the same partitioning on all disks, > "BIOS boot" normally have no writes at boot time > > RAID1 is handeled like a single disk at early boot > > the only thing you need to do manually is install the bootloaer on all > disks and don#t forget repeat it after replace one > > the only thing i am not sure is the partition type, until now my setups > are MBR and sda1 is a RAID1 over all 4 disks > > [root@srv-rhsoft:~]$ fdisk -l /dev/sda > Disk /dev/sda: 1.84 TiB, 2000398934016 bytes, 3907029168 sectors > Disk model: Samsung SSD 860 > 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: dos > Disk identifier: 0x000d9ef2 > > Device Boot Start End Sectors Size Id Type > /dev/sda1 * 2048 1026047 1024000 500M fd Linux raid > autodetect > /dev/sda2 1026048 31746047 30720000 14.7G fd Linux raid > autodetect > /dev/sda3 31746048 3906971647 3875225600 1.8T fd Linux raid > autodetect > > [root@srv-rhsoft:~]$ df > Filesystem Type Size Used Avail Use% Mounted on > /dev/md1 ext4 29G 7.4G 22G 26% / > /dev/md2 ext4 3.6T 1.2T 2.5T 33% /mnt/data > /dev/md0 ext4 485M 49M 432M 11% /boot
