Moin, are you booting via BIOS/legacy or UEFI (with the corresponding GRUB)? "out of memory" sounds like something more likely to hit in a BIOS/legacy boot.
On Tue, Dec 17, 2024 at 10:07:56AM +0100, Steffen Grunewald wrote: > Good morning, > > after a very promising start, I experienced a set-back yesterday with an > otherwise proven-to-work FAI setup, and need an alternative now. > > Over the past years, I wrote, used, and improved, a scheme that would > ignore disk_config completely and work with hooks, to create a ZFS root > pool (and possibly a data pool as well) over disks selected via patterns > (usually /dev/disk/by-id/ata-MANUFACTURER). > > This initially also worked for my recent setup, a BeeGFS server with two > OS disks (ata-*), a handful NVMes and two times 60 disks over multipath, > in total 247 disks seen by the kernel. > > After setting up multipath and storage zpools, I can no longer boot into > the system as long as at least one JBOD is connected - grub 2.06 gets an > "error: out of memory" and even refuses such elementary tasks as > "ls (...)/". > Upgrading to grub 2.12 (from bookworm-backports) makes things worse as > the screen stays dark, not even the greeting "Welcome to GRUB!" comes up. > > I'm afraid I've got to go back to md raid, but with all disks connected, > how do I find the two system disks, if not via /dev/disk/by-id? (a quick > check with "sysinfo" shows them at /dev/sda and /dev/sddi) > > Is there a regular way via disk_config, or do I have to invent a 17-sided > wheel myself? > > Thanks for listening, > S > > -- > Steffen Grunewald, Cluster Administrator > Max Planck Institute for Gravitational Physics (Albert Einstein Institute) > Am Mühlenberg 1 * D-14476 Potsdam-Golm * Germany > ~~~ > Fon: +49-331-567 7274 > Mail: steffen.grunewald(at)aei.mpg.de > ~~~ -- Mit freundlichen Grüßen Henning Glawe Dr. Henning Glawe Max-Planck-Institut für Struktur und Dynamik der Materie Geb. 900 (MPSD), Luruper Chaussee 149, 22761 Hamburg, Germany http://www.mpsd.mpg.de/, Email: henning.gl...@mpsd.mpg.de Building/Room: 900/O1.053, Phone: +49-40-8998-88392