On Tue, Apr 12, 2016 at 2:14 AM, 施柏安 <[email protected]> wrote:
> Hi John, > > You are right. The id is not '0'. > I checked the status of mds by command 'ceph mds dump'. There is not > showing much info for MDS servers. > Is there any command can check the mds list or health easily? > The info you get in "mds dump" includes the service names, but it is for running daemons only. Currently to know the ID of a non-running daemon you either have to remember it (easy if it's the hostname) or look in /var. John > Thank for your help. > > > ... > vagrant@mds-1:~$ sudo ls /var/lib/ceph/mds > ceph-mds-1 > vagrant@mds-1:~$ sudo service ceph-mds start id=ceph-mds-1 > ceph-mds stop/waiting > vagrant@mds-1:~$ sudo service ceph-mds start id=mds-1 > > > ceph-mds (ceph/mds-1) start/running, process 6809 > vagrant@mds-1:~$ > vagrant@mds-1:~$ ls > vagrant@mds-1:~$ ps aux | grep mds > ceph 6809 0.0 1.7 338752 8792 ? Ssl 01:11 0:00 > /usr/bin/ceph-mds --cluster=ceph -i mds-1 -f --setuser ceph --setgroup ceph > vagrant 6830 0.0 0.1 10432 628 pts/0 S+ 01:11 0:00 grep > --color=auto mds > ... > > 2016-04-11 19:12 GMT+08:00 John Spray <[email protected]>: > >> Is the ID of the MDS service really "0"? Usually people set the ID to >> the hostname. Check it in /var/lib/ceph/mds >> >> John >> >> On Mon, Apr 11, 2016 at 9:44 AM, 施柏安 <[email protected]> wrote: >> >>> Hi cephers, >>> >>> I was testing CephFS's HA. So I shutdown the active mds server. >>> Then the one of standby mds turn to be active. Everything seems work >>> properly. >>> But I boot the mds server which was shutdown in test. It can't join >>> cluster automatically. >>> And I use command 'sudo service ceph-mds start id=0'. It can't start and >>> just show 'ceph-mds stop/waiting' >>> >>> Is that the bug or I do wrong operation? >>> >>> -- >>> >>> Best regards, >>> >>> 施柏安 Desmond Shih >>> 技術研發部 Technical Development >>> <http://www.inwinstack.com/> >>> 迎棧科技股份有限公司 >>> │ 886-975-857-982 >>> │ desmond.s@inwinstack <[email protected]> >>> │ 886-2-7738-2858 #7441 >>> │ 新北市220板橋區遠東路3號5樓C室 >>> Rm.C, 5F., No.3, Yuandong Rd., >>> Banqiao Dist., New Taipei City 220, Taiwan (R.O.C) >>> >>> >>> _______________________________________________ >>> ceph-users mailing list >>> [email protected] >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >>> >> > > > -- > > Best regards, > > 施柏安 Desmond Shih > 技術研發部 Technical Development > <http://www.inwinstack.com/> > 迎棧科技股份有限公司 > │ 886-975-857-982 > │ desmond.s@inwinstack <[email protected]> > │ 886-2-7738-2858 #7441 > │ 新北市220板橋區遠東路3號5樓C室 > Rm.C, 5F., No.3, Yuandong Rd., > Banqiao Dist., New Taipei City 220, Taiwan (R.O.C) > >
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