On 9/11/18 2:04 AM, to...@tuxteam.de wrote: > On Tue, Sep 11, 2018 at 11:42:43AM +0300, Mimiko wrote: >> Hello. >> >> Currently I use ZFS for making a pool of disks, but the system itself is >> installed on 2 SSD disks using MD to mirror. >> >> How is now ZFS on handling booting from ZFS mirror. Can I start use ZFS as >> root filesystem on latest Debian? Is it stable on updates? >> >> Thanks for suggestions. > > Your question is still a bit unclear: do you want to have just the > _root_ partition as ZFS? That should be easy, just booting a kernel > which understands ZFS and can mount that as /. > > Do you also want to have the _boot_ partition there? I.e. that > partition where the kernel images and the initramfs go. Then your > boot loader (most probably GRUB?) also should be able to understand > ZFS -- at least to a certain extent. GRUB can read ZFS since 1.99. > The one current in Debian stable is 2.02 -- so your chances seem > good on both fronts...
I'm not sure about the /boot partition, but its not difficult to get your / partition on ZFS. See the ZFSOnLinux Wiki: https://github.com/zfsonlinux/zfs/wiki/Debian-Stretch-Root-on-ZFS My recommendation is to use a separate /boot partition and make it EXT2. -Matt