Ceph

07/10/2020

08:55 AM Ceph Support #46446 (Closed): slow request:waiting for rw locks

I tried to observe the osd(on ssd) latency use command:
ceph daemonperf osd.1
output like the picture 2020-7-10... yuanli zhu

04/01/2020

09:39 AM CephFS Bug #44807: cephfs kernel mount option "noshare" is useless

Jeff Layton wrote:
> On my machine (recent Fedora), 'df' works by reading /proc/self/mountinfo to get a list of moun... yuanli zhu

03/31/2020

02:42 AM CephFS Bug #44807: cephfs kernel mount option "noshare" is useless

if I create two cephfs named:cephfs and zyli.
I want mount them using kernel mount:
mount -t ceph 10.192.35.164:... yuanli zhu

01:44 AM CephFS Bug #44807: cephfs kernel mount option "noshare" is useless

Jeff Layton wrote:
> This works for me. mounted the same filesystem twice (without noshare option):
>
> [...]
> ... yuanli zhu

03/30/2020

09:52 AM CephFS Bug #44807 (Can't reproduce): cephfs kernel mount option "noshare" is useless

i want use kernel mount to mount cephfs twice,and i can see mount info use "mount"
but i can not see to mount point ... yuanli zhu

01/28/2019

02:24 AM Ceph Bug #38056: RDMA has an error in handle_connection func

ddd yuanli zhu

01:43 AM Ceph Bug #38056 (New): RDMA has an error in handle_connection func

where i use RDMA to deploy ceph cluster,there is an error where handle_connection fun is running.
my ceph version ... yuanli zhu

07/23/2018

07:51 AM Ceph Bug #25059 (Rejected): How to avoid the request to fall on the peering pg

I have three node:node1 node2 node3,then deply ceph.
when i power off the node3,i found some requests will wait un... yuanli zhu

07/13/2018

07:44 AM CephFS Bug #24900 (Rejected): fs: ceph.file.layout.stripe_count changed after modification

first i touch en empty file.
> touch /nas/cephfs/zyli.txt
then
> setfattr -n ceph.file.layout.stripe_count -v ... yuanli zhu

02:13 AM CephFS Bug #24897 (Rejected): client: writes rejected by quota may truncate/zero parts of file

I found a BUg as below:
First:setfattr -n ceph.quota.max_bytes -v 5 /nas/cephfs/abc
Second:echo "abc" > /nas/ceph... yuanli zhu