Re: [ceph-users] Fujitsu

2017-04-21 Thread Tony Lill
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 In my experience, for safety, you should consider /dev/sd assignments to be randomly assigned during boot. You may also want to be wary about using /dev/disk/by-path. I have had pci bus/slot numbering change after a kernel upgrade. From your descriptio

Re: [ceph-users] Fujitsu

2017-04-21 Thread Ovidiu Poncea
Hi Felix, I'm wondering if the assignments changes if you reset the BIOS. Also, when you insert a new disk in between what happens to the old disks, do they keep their assignments (or as Mehmet said, do you get an in-between number)? If not you may get into worse problems if disks fail or you

Re: [ceph-users] Fujitsu

2017-04-20 Thread Mehmet
Hi Felix, What happens when you Restart the Server - is the numbering then identical? I have this behavior on Intel Server and when i put additional Disks in Runtime, the numbering increases but i expect to get a Number from between two Slots (of course when i put a Disk between this slots).

[ceph-users] Fujitsu

2017-04-20 Thread Stolte, Felix
Hello cephers, is anyone using Fujitsu Hardware for Ceph OSDs with the PRAID EP400i Raidcontroller in JBOD Mode? We are having three identical servers with identical Disk placement. First three Slots are SSDs for journaling and remaining nine slots with SATA Disks. Problem is, that in Ubuntu (and