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Thanks @wolfgang. For Ceph: I think you're mistaken on the minimum number of OSDs for Ceph. Nine might be the minimum number to get a decently performing pool of spinning rust, but so far as I know, you can make a single OSD an available pool (without replication). And it was a bit subtle...

Question for the hive mind. I have 6x 960GB Samsung SSD (853t & pm963) drives 'left over' from an upgrade to bigger drives, and wish to use them for shared storage of fairly low I/O virtual machines. 1) All 6 Drives on NFS share from a FreeNAS (or similar dedicated server) with 96GB RAM + 2x...

I have a NUC7 i3 working perfectly fine in a cluster with a pair of the previous gen Celerons.

Wasn't me. It's all @6uellerbpanda

Reliability > Performance

Yes. I never had problems moving VMs between any of our Xeon 5600 series servers regardless of frequency. And with the CPU set to SandyBridge or lower, I've had almost perfect success moving VMs between E5-2600 and E5-2600v2 servers. For AMD <-> Intel, it's a roll of the dice.

Hey @fabian The PVETest kernel booted fine. I was able to upgrade both machines to 4.13. Thanks! Running: Linux prxphx6 4.13.13-4-pve #1 SMP PVE 4.13.13-35 (Mon, 8 Jan 2018 10:26:58 +0100) x86_64 GNU/Linux

@fabian Please make sure to also create a new 4.10.17 kernel as some of us are stuck on 4.10.17-5-pve due to that SCSI bug. Thanks!

That's for you to decide. As I upgrade my & my wife's computers, I gave the retired ones to my kids.

Sounds like a lot of work for what will likely end up being an iffy result.

Did you install the Realtek firmware from the non-free repository?

Thank you. I look forward to giving this a whirl.

Also make sure you're using the hard-coded disk ID, and not the /dev/sd? drive assignment.

Did you swap the cards between the systems to see if that makes a difference?

Aren't you a basket of joy? It wasn't until about a month ago that I finally bought a minimal subscription as a "thank you" to the team after years of using Proxmox and getting plenty of 'free' support. It's ridiculous to think that the Proxmox folk are nerfing their product to make it more...

That's not a bad thing. OSX devices behind a NAT firewall had issues talking to servers with recycle enabled.

You can track it too: Ubuntu Kernel: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1726519 Linux Kernel-Stable: https://www.spinics.net/lists/stable/msg201905.html Linux Kernel-SCSI: https://www.spinics.net/lists/linux-scsi/msg115491.html

Thanks Wolfgang.

Yeah thanks, I had an oops that made a mess of things on that server. Didn't have autoexpand set when swapping out bigger drives, and the zpool filled b/c I moved more to it & missed that it hadn't expanded. I probably just need to nuke it and rebuild.

Didn't realize the lack of TRIM on ZFSOnLinux. Ugh, no wonder my zvols are slowing down - even with decent drives (S3610's).