Re: [ceph-users] how to re-add a deleted osd device as a osd with data

Hello, On Tue, 29 Mar 2016 14:00:44 +0800 lin zhou wrote: > Hi,Christian. > When I re-add these OSD(0,3,9,12,15),the high latency occur again.the > default reweight of these OSD is 0.0 > That makes no sense, at a crush weight (not reweight) of 0 they should not get used at all. When you deleted

Re: [ceph-users] how to re-add a deleted osd device as a osd with data

What is version you use? - Regards, Mohd Zainal Abidin Rabani Technical Support -- Original Message -- From: "lin zhou" To: "Christian Balzer" Cc: "Ceph-User" Sent: 29/03/2016 14:00:44 Subject: Re: [ceph-users] how to re-add a deleted osd device as a osd with data Hi,Chri

Re: [ceph-users] how to re-add a deleted osd device as a osd with data

Hi,Christian. When I re-add these OSD(0,3,9,12,15),the high latency occur again.the default reweight of these OSD is 0.0 root@node-65:~# ceph osd tree # idweight type name up/down reweight -1 103.7 root default -2 8.19host node-65 18 2.73

Re: [ceph-users] how to re-add a deleted osd device as a osd with data

Thanks.I try this method just like ceph document say. But I just test osd.6 in this way,and the leveldb of osd.6 is broken.so it can not start. When I try this for other osd,it works. 2016-03-29 8:22 GMT+08:00 Christian Balzer : > On Mon, 28 Mar 2016 18:36:14 +0800 lin zhou wrote: > >> > Hello, >

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Re: [ceph-users] how to re-add a deleted osd device as a osd with data

On Mon, 28 Mar 2016 18:36:14 +0800 lin zhou wrote: > > Hello, > > > > On Sun, 27 Mar 2016 13:41:57 +0800 lin zhou wrote: > > > > > Hi,guys. > > > some days ago,one osd have a large latency seeing in ceph osd > > > perf.and this device make this node a high cpu await. > > The thing to do at that po

Re: [ceph-users] kernel cephfs - slow requests

Christian Balzer пишет: >> New problem (unsure, but probably not observed in Hammer, but sure in >> Infernalis): copying large (tens g) files into kernel cephfs (from >> outside of cluster, iron - non-VM, preempt kernel) - make slow requests >> on some of OSDs (repeated range) - mostly 3 Gbps chan

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Re: [ceph-users] how to re-add a deleted osd device as a osd with data

> Hello, > > On Sun, 27 Mar 2016 13:41:57 +0800 lin zhou wrote: > > > Hi,guys. > > some days ago,one osd have a large latency seeing in ceph osd perf.and > > this device make this node a high cpu await. > The thing to do at that point would have been look at things with atop or > iostat to verify t