Hello,
I am experiencing totally weird filesystem corruptions with the
following setup:
* Ceph infernalis on Debian8
* 10 OSDs (5 hosts) with spinning disks
* 4 OSDs (1 host, with SSDs)
The SSDs are new in my setup and I am trying to setup a Cache tier.
Now, with the spinning disks Ceph is runn
Hi,
Are these bare metal nodes or VMs?
For VMs I suggest you just attach rbd data disks then let hdfs do it’s magic.
Just make sure you’re not replicating 9x (3x on ceph + 3x on hadoop).
If it’s VMs, you can just do the same with krbd, just make sure to run a recent
enough kernel :-)
Basicall
>>Could it be that rbd caching + qemu writeback cache + ceph cach tier
>>writeback are not playing well together?
rbd caching=true is the same than qemu writeback.
Setting cache=writeback in qemu, configure the librbd with rbd cache=true
if you have fs corruption, it seem that flush from gues
Hi,
Please keep the list on CC as I guess others might be interested as well, if
you don’t mind.
For VMs one can use rbd backed block devices and for bare-metal nodes where
there is no abstraction one can use krbd - notice the k there, it stands for
“kernel”. krdb is the in-kernel driver as th
Hi,
I'm seeing lots of issues with my CEPH installation.The health of the
system is degraded and many of the OSD are down.
# ceph -v
ceph version 0.94.5 (9764da52395923e0b32908d83a9f7304401fee43)
# ceph health
HEALTH_ERR 2002 pgs degraded; 14 pgs down; 180 pgs inconsistent; 14 pgs
peering
Covered except that the dreamhost mirror is constantly down or broken.
I can add ceph.mirror.beyondhosting.net for it.
Tyler Bishop
Chief Technical Officer
513-299-7108 x10
tyler.bis...@beyondhosting.net
If you are not the intended recipient of this transmission you are notified
that di
Hi,
I'm still strugling with health problems of my cluster..
I still have 2 stale+active+clean and one creating pgs..
I've just stopped all nodes and started them all again,
and those pages still remain..
I think I've read all related discussions and docs, and tried
virtually everything I thoug
You need to get your OSD back online.
From: "Jeffrey McDonald"
To: ceph-users@lists.ceph.com
Sent: Saturday, February 6, 2016 8:18:06 AM
Subject: [ceph-users] CEPH health issues
Hi,
I'm seeing lots of issues with my CEPH installation. The health of the system
is degraded and many of th
