[ceph-users] How to start/restart osd and mon manually (not by init script or systemd)

Hi, all I want to deploy ceph manually. When I finish config, I need to start mon and osd manually. I used these command. I found these command in systemd/ceph-mon@.service and systemd/ceph-osd@.service: ceph-mon --id xt2 --setuser ceph --setgroup ceph ceph-osd --cluster ceph --id 0 --setuser ceph

Re: [ceph-users] CephFS FAILED assert(dn->get_linkage()->is_null())

On Sat, Dec 10, 2016 at 11:50 PM, Sean Redmond wrote: > Hi Goncarlo, > > With the output from "ceph tell mds.0 damage ls" we tracked the inodes of > two damaged directories using 'find /mnt/ceph/ -inum $inode', after > reviewing the paths involved we confirmed a backup was availble for this > da

Re: [ceph-users] Pgs stuck on undersized+degraded+peered

On Sun, Dec 11, 2016 at 5:22 AM, fridifree wrote: > The min size was on 3 changing to 1 solve the problem > thanks Please be aware of the previous posts about the dangers of setting min_size=1. > > On Dec 10, 2016 02:06, "Christian Wuerdig" > wrote: >> >> Hi, >> >> it's useful to generally prov

Re: [ceph-users] Pgs stuck on undersized+degraded+peered

The min size was on 3 changing to 1 solve the problem thanks On Dec 10, 2016 02:06, "Christian Wuerdig" wrote: > Hi, > > it's useful to generally provide some detail around the setup, like: > What are your pool settings - size and min_size? > What is your failure domain - osd or host? > What ver

Re: [ceph-users] High load on OSD processes

I can confirm the latest packages upgrade fixes this issue. Em 9 de dez de 2016 7:48 PM, "Reed Dier" escreveu: > I don’t think there is a graceful path to downgrade. > > There is a hot fix upstream I believe. My understanding is the build is > being tested for release. > > Francois Lafont posted

Re: [ceph-users] A question about io consistency in osd down case

I should clarify that if the OSD has silently failed (e.g. the TCP connection wasn't reset and packets are just silently being dropped / not being acked), IO will pause for up to "osd_heartbeat_grace" before IO can proceed again. On Sat, Dec 10, 2016 at 8:46 AM, Jason Dillaman wrote: > On Sat, De

Re: [ceph-users] CephFS FAILED assert(dn->get_linkage()->is_null())

Hi Goncarlo, With the output from "ceph tell mds.0 damage ls" we tracked the inodes of two damaged directories using 'find /mnt/ceph/ -inum $inode', after reviewing the paths involved we confirmed a backup was availble for this data so we ran "ceph tell mds.0 damage rm $inode" on the two inodes. W

Re: [ceph-users] A question about io consistency in osd down case

On Sat, Dec 10, 2016 at 6:11 AM, zhong-yan.gu wrote: > Hi Jason, > sorry to bother you. A question about io consistency in osd down case : > 1. a write op arrives primary osd A > 2. osd A does local write and sends out replica writes to osd B and C > 3. B finishes write and return ACK to A. Howev

[ceph-users] Crush rule check

Hi Ceph-users, I just want to double check a new crush ruleset I am creating - the intent here is that over 2 DCs, it will select one DC, and place two copies on separate hosts in that DC. The pools created on this will use size 4 and min-size 2. I just want to check I have crafted this c

[ceph-users] 10.2.5 Jewel released

This point release fixes an important regression introduced in v10.2.4. We recommend that all v10.2.x users upgrade. Notable Changes --- * msg/simple/Pipe: avoid returning 0 on poll timeout (issue#18185, pr#12376, Sage Weil) For more detailed information refer to the complete change