Recent content by Andrzej Zawadzki

I think here is answer for that question (with explanation): https://docs.ceph.com/en/latest/cephfs/upgrading/

Hi! Migration failed - with kernel 5.19 migration still doesn't work. Environment: HOST OLD: Intel(R) Xeon(R) CPU E5645 @ 2.40GHz (old) HOST NEW: Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz (new ;-)) Kernel (both): PVE 5.19.7-2 GUEST: VM - CPU generic kvm64 Migration from NEW to OLD works like...

Hi! I'd like to ask about parameter: osd_memory_target_autotune Is this turn on? If yes, what is default value of autotune_memory_target_ratio?

Hi, You need gdb "GNU Debugger" run: apt install gdb

- failure of one node should not impact the entire environment anyway - SD cards work in RAID 1 - so we are postponing the failure for the single node

https://www.kingston.com/poland/en/memory-cards/industrial-grade-microsd-uhs-i-u3 Mayby that to true? Marketing? Probably I'll use pci-e converter with small SSD drives any way.

How about use tmpfs and tar -czf /root/pve-cluster-backup.tar.gz /var/lib/pve-cluster ones per day BTW: https://www.kingston.com/en/memory-cards/high-endurance-microsd-card isn't that good enough TBW = 1920?

Hi, I'd like to use Dual SD Card Module on Dell server. Could I mount write intensive directories on RAM Disk? Does /var/lib/pve-cluster (for example) need permanent storage? I have a lot of RAM, but I don't want to waste disk bays for the operating system - I want to use them only for CEPH.