Re: [ceph-users] init mon fail since use service rather than systemctl
Thanks very much
- Original Message -
From: "Alfredo Deza"
To: "xiang dai"
Cc: "ceph-users"
Sent: Thursday, June 21, 2018 8:42:34 PM
Subject: Re: [ceph-users] init mon fail since use service rather than systemctl
On Thu, Jun 21, 2018 at 8:41 AM, wrote:
> I met below issue:
>
> INFO: initialize ceph mon ...
> [ceph_deploy.conf][DEBUG ] found configuration file at:
> /root/.cephdeploy.conf
> [ceph_deploy.cli][INFO ] Invoked (1.5.25): /usr/bin/ceph-deploy
> --overwrite-conf mon create-initial
> [ceph_deploy.mon][DEBUG ] Deploying mon, cluster ceph hosts dx-storage
> [ceph_deploy.mon][DEBUG ] detecting platform for host dx-storage ...
> [dx-storage][DEBUG ] connected to host: dx-storage
> [dx-storage][DEBUG ] detect platform information from remote host
> [dx-storage][DEBUG ] detect machine type
> [ceph_deploy.mon][INFO ] distro info: CentOS Linux 7.4.1708 Core
> [dx-storage][DEBUG ] determining if provided host has same hostname in
> remote
> [dx-storage][DEBUG ] get remote short hostname
> [dx-storage][DEBUG ] deploying mon to dx-storage
> [dx-storage][DEBUG ] get remote short hostname
> [dx-storage][DEBUG ] remote hostname: dx-storage
> [dx-storage][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf
> [dx-storage][DEBUG ] create the mon path if it does not exist
> [dx-storage][DEBUG ] checking for done path:
> /var/lib/ceph/mon/ceph-dx-storage/done
> [dx-storage][DEBUG ] done path does not exist:
> /var/lib/ceph/mon/ceph-dx-storage/done
> [dx-storage][INFO ] creating keyring file:
> /var/lib/ceph/tmp/ceph-dx-storage.mon.keyring
> [dx-storage][DEBUG ] create the monitor keyring file
> [dx-storage][INFO ] Running command: ceph-mon --cluster ceph --mkfs -i
> dx-storage --keyring /var/lib/ceph/tmp/ceph-dx-storage.mon.keyring
> [dx-storage][INFO ] unlinking keyring file
> /var/lib/ceph/tmp/ceph-dx-storage.mon.keyring
> [dx-storage][DEBUG ] create a done file to avoid re-doing the mon deployment
> [dx-storage][DEBUG ] create the init path if it does not exist
> [dx-storage][DEBUG ] locating the `service` executable...
> [dx-storage][INFO ] Running command: /usr/sbin/service ceph -c
> /etc/ceph/ceph.conf start mon.dx-storage
> [dx-storage][WARNING] The service command supports only basic LSB actions
> (start, stop, restart, try-restart, reload, force-reload, status). For other
> actions, please try to use systemctl.
> [dx-storage][ERROR ] RuntimeError: command returned non-zero exit status: 2
> [ceph_deploy.mon][ERROR ] Failed to execute command: /usr/sbin/service ceph
> -c /etc/ceph/ceph.conf start mon.dx-storage
> [ceph_deploy][ERROR ] GenericError: Failed to create 1 monitors
>
> My test host is centos7.4, and i think it should call systemctl rather than
> service, but it still call service and failed.
>
> My systemctl status is running, why ceph choose service rather than
> systemctl?
You are using ceph-deploy version 1.5.25, that has a bug that was
fixed in 1.5.38 regarding systemd detection for CentOS:
http://docs.ceph.com/ceph-deploy/docs/changelog.html#id6
>
> Could anyone tell me details?
>
> Thanks in advance.
>
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>
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Re: [ceph-users] 答复: how can i remove rbd0
stop rbdmap service will unmap all rbd, and rbd showmapped shows none. From: "许雪寒" To: "xiang dai" , "ceph-users" Sent: Tuesday, June 19, 2018 11:01:03 AM Subject: 答复: how can i remove rbd0 rbd unmap [dev-path] 发件人 : ceph-users [mailto:ceph-users-boun...@lists.ceph.com] 代表 xiang@sky-data.cn 发送时间 : 2018 年 6 月 19 日 10:52 收件人 : ceph-users 主题 : [ceph-users] how can i remove rbd0 Hi,all! I found a confused question: [root@test]# rbd ls [root@test]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 931.5G 0 disk ├─sda1 8:1 0 1G 0 part /boot ├─sda2 8:2 0 200G 0 part │ ├─root 253:0 0 50G 0 lvm / │ └─swap 253:1 0 8G 0 lvm [SWAP] └─sda3 8:3 0 186.3G 0 part sr0 11:0 1 1024M 0 rom rbd0 252:0 0 500G 0 disk <=== I have stopped rbdmap service. I do not want to reboot, how can i rm rbd0? -- 戴翔 南京天数信息科技有限公司 电话: +86 1 3382776490 公司官网: www.sky-data.cn 免费使用天数润科智能计算平台 SkyDiscovery ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
Re: [ceph-users] which kernel support object-map, fast-diff
Could give a list about enable or not? - Original Message - From: "Konstantin Shalygin" <k0...@k0ste.ru> To: "ceph-users" <ceph-users@lists.ceph.com> Cc: "xiang dai" <xiang@sky-data.cn> Sent: Tuesday, May 15, 2018 4:57:00 PM Subject: Re: [ceph-users] which kernel support object-map, fast-diff > So which kernel version support those feature? No one kernel support this features yet. k -- 戴翔 南京天数信息科技有限公司 电话: +86 1 3382776490 公司官网: www.sky-data.cn 免费使用天数润科智能计算平台 SkyDiscovery ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
[ceph-users] mount failed since failed to load ceph kernel module
Hi!
I got a confused issue in docker as below:
After install ceph successfully, i want to mount cephfs but failed:
[root@dbffa72704e4 ~]$ /bin/mount 172.17.0.4:/ /cephfs -t ceph -o
name=admin,secretfile=/etc/ceph/admin.secret -v
failed to load ceph kernel module (1)
parsing options: rw,name=admin,secretfile=/etc/ceph/admin.secret
mount error 5 = Input/output error
But ceph related kernel modules have existed:
[root@dbffa72704e4 ~]$ lsmod | grep ceph
ceph 327687 0
libceph 287066 1 ceph
dns_resolver 13140 2 nfsv4,libceph
libcrc32c 12644 3 xfs,libceph,dm_persistent_data
Check the ceph state(i only set data disk for osd):
[root@dbffa72704e4 ~]$ ceph -s
cluster:
id: 20f51975-303e-446f-903f-04e1feaff7d0
health: HEALTH_WARN
Reduced data availability: 128 pgs inactive
Degraded data redundancy: 128 pgs unclean
services:
mon: 2 daemons, quorum dbffa72704e4,5807d12f920e
mgr: dbffa72704e4(active), standbys: 5807d12f920e
mds: cephfs-1/1/1 up {0=5807d12f920e=up:creating}, 1 up:standby
osd: 0 osds: 0 up, 0 in
data:
pools: 2 pools, 128 pgs
objects: 0 objects, 0 bytes
usage: 0 kB used, 0 kB / 0 kB avail
pgs: 100.000% pgs unknown
128 unknown
[root@dbffa72704e4 ~]$ ceph version
ceph version 12.2.1 (3e7492b9ada8bdc9a5cd0feafd42fbca27f9c38e) luminous
(stable)
My container is based on centos:centos7.2.1511, kernel is 3e0728877e22
3.10.0-514.el7.x86_64.
I saw some ceph related images on docker hub so that i think above
operation is ok, did i miss something important?
--
Best Regards
Dai Xiang
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