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John Petrini
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P: 215.297.4400 x232 // F: 215.297.4401 // E: jpetrini@xxxxxxxxxxxx
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I was able to bring the osd's up by looking at my other OSD node which is the exact same hardware/disks and finding out which disks map. But I still cant bring up any of the start ceph-disk@dev-sd* services... When I first installed the cluster and got the OSD's up, I had to run the following:# sgdisk -t 1:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdb # sgdisk -t 2:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdb # sgdisk -t 3:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdb # sgdisk -t 4:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdb # sgdisk -t 5:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdb # sgdisk -t 1:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdc # sgdisk -t 2:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdc # sgdisk -t 3:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdc # sgdisk -t 4:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdc # sgdisk -t 5:45b0969e-9b03-4f30-b4c6-
b4b80ceff106 /dev/sdc
Do i need to run that again?
Cheers,
Mike
On Tue, Nov 29, 2016 at 4:13 PM, Sean Redmond <sean.redmond1@xxxxxxxxx> wrote:Normally they mount based upon the gpt label, if it's not working you can mount the disk under /mnt and then cat the file called whoami to find out the osd number
On 29 Nov 2016 23:56, "Mike Jacobacci" <mikej@xxxxxxxxxx> wrote:______________________________OK I am in some trouble now and would love some help! After updating none of the OSDs on the node will come back up:● ceph-disk@dev-sdb1.service loaded failed failed Ceph disk activation: /dev/sdb1● ceph-disk@dev-sdb2.service loaded failed failed Ceph disk activation: /dev/sdb2● ceph-disk@dev-sdb3.service loaded failed failed Ceph disk activation: /dev/sdb3● ceph-disk@dev-sdb4.service loaded failed failed Ceph disk activation: /dev/sdb4● ceph-disk@dev-sdb5.service loaded failed failed Ceph disk activation: /dev/sdb5● ceph-disk@dev-sdc1.service loaded failed failed Ceph disk activation: /dev/sdc1● ceph-disk@dev-sdc2.service loaded failed failed Ceph disk activation: /dev/sdc2● ceph-disk@dev-sdc3.service loaded failed failed Ceph disk activation: /dev/sdc3● ceph-disk@dev-sdc4.service loaded failed failed Ceph disk activation: /dev/sdc4● ceph-disk@dev-sdc5.service loaded failed failed Ceph disk activation: /dev/sdc5● ceph-disk@dev-sdd1.service loaded failed failed Ceph disk activation: /dev/sdd1● ceph-disk@dev-sde1.service loaded failed failed Ceph disk activation: /dev/sde1● ceph-disk@dev-sdf1.service loaded failed failed Ceph disk activation: /dev/sdf1● ceph-disk@dev-sdg1.service loaded failed failed Ceph disk activation: /dev/sdg1● ceph-disk@dev-sdh1.service loaded failed failed Ceph disk activation: /dev/sdh1● ceph-disk@dev-sdi1.service loaded failed failed Ceph disk activation: /dev/sdi1● ceph-disk@dev-sdj1.service loaded failed failed Ceph disk activation: /dev/sdj1● ceph-disk@dev-sdk1.service loaded failed failed Ceph disk activation: /dev/sdk1● ceph-disk@dev-sdl1.service loaded failed failed Ceph disk activation: /dev/sdl1● ceph-disk@dev-sdm1.service loaded failed failed Ceph disk activation: /dev/sdm1● ceph-osd@0.service loaded failed failed Ceph object storage daemon● ceph-osd@1.service loaded failed failed Ceph object storage daemon● ceph-osd@2.service loaded failed failed Ceph object storage daemon● ceph-osd@3.service loaded failed failed Ceph object storage daemon● ceph-osd@4.service loaded failed failed Ceph object storage daemon● ceph-osd@5.service loaded failed failed Ceph object storage daemon● ceph-osd@6.service loaded failed failed Ceph object storage daemon● ceph-osd@7.service loaded failed failed Ceph object storage daemon● ceph-osd@8.service loaded failed failed Ceph object storage daemon● ceph-osd@9.service loaded failed failed Ceph object storage daemonI did some searching and saw that the issue is that the disks aren't mounting... My question is how can I mount them correctly again (note sdb and sdc are ssd for cache)? I am not sure which disk maps to ceph-osd@0 and so on. Also, can I add them to /etc/fstab to work around?Cheers,MikeOn Tue, Nov 29, 2016 at 10:41 AM, Mike Jacobacci <mikej@xxxxxxxxxx> wrote:Hello,I would like to install OS updates on the ceph cluster and activate a second 10gb port on the OSD nodes, so I wanted to verify the correct steps to perform maintenance on the cluster. We are only using rbd to back our xenserver vm's at this point, and our cluster consists of 3 OSD nodes, 3 Mon nodes and 1 admin node... So would this be the correct steps:1. Shut down VM's?2. run "ceph osd set noout" on admin node3. install updates on each monitoring node and reboot one at a time.4. install updates on OSD nodes and activate second 10gb port, reboot one OSD node at a time5. once all nodes back up, run "ceph osd unset noout"6. bring VM's back onlineDoes this sound correct?Cheers,Mike_________________
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