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TKS!!! Thank you for your help! I hadn't noticed the "subtlety" of the difference.

Good point! Tks. So... the sequence of commands would be: root@hostname:~# zpool create -o ashift=12 mypool mirror /dev/sda /dev/sdb root@hostname:~# zpool create -o ashift=12 mypool mirror /dev/sdc /dev/sdd

OK. So just in case you opt for a RAID 10-like structure. Would I have to create two VDEVs with two disks each and a mirror between those two VDEVs? Stripe + mirror.

Do. Or do not. There is no try.

Dear colleagues, I'm setting up my first server with Proxmox in a test environment to later go to production. I've already used Proxmox at home in a simpler environment (only one XFS disk for the system and for storing the VMs). But this new scenario is very different and I want to try ZFS. The...

Hi jsterr, Yes. The 6 servers are on the same rack in the same room. Based on your answers and researching more on the subject, I concluded that scenario A will be better for my case, since if I opted for scenario B and a server from the Ceph cluster OR a server from the VM cluster...

I would like to ask a question that I am having. I have the following scenario, 6 HP Proliant DL360/380 G7 servers that I am wanting to create a Proxmox + Ceph cluster. All these servers have the same configurations: 2x Xeon E5630 Quad Core CPU, 48GB RAM, 4x 480GB SSD (connected using LSI SAS...

Ok.... and what is your suggestion? Note I Can’t install a HBA controller. Live long and prosper, Marcelo Magalhães Rio de Janeiro - BR

Hi Dragon19, note that the controller I mention does NOT have HBA mode. It is not an LSI, but an HPE P410i. Live long and prosper, Marcelo Magalhães Rio de Janeiro - BR

Hi Alwin, I know the requirements to not to use RAID between CEPH FS and hard disk. But server RAID controllers do not allow HBA mode, and the servers no longer have a PCI slot to add an extra controller. So ... what's less worse ... a RAID 0 for each disk on each server or a RAID 0 with all...

Dear friends, I have a question on assembling a Proxmox + CEPH (I am a newbie in Proxmox... but a have experience in use VMWare) cluster with 7 servers. My servers are a bit old, HPE DL360 and DL380 both generation 7 with P410i RAID controller (SAS 6Gb/s) that does not allow passthrough mode, ie...