ceph版本luminous
设置ceph,noout标志
代码语言：javascript复制ceph osd set noout查看分区起始位置
代码语言：javascript复制[root@mar-osd03 ceph-80]# parted -l
Model: TOSHIBA AL15SEB18EQ (scsi)
Model: MSCC LOGICAL VOLUME (scsi)
Disk /dev/sdx: 960GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 525MB 524MB fat16 EFI System Partition boot
2 525MB 1050MB 524MB ext4
3 1050MB 799GB 798GB ext4
4 799GB 960GB 161GB ext4
Model: NVMe Device (nvme)
Disk /dev/nvme0n1: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 21.5GB 21.5GB ceph journal
2 21.5GB 43.0GB 21.5GB ceph journal
3 43.0GB 64.4GB 21.5GB ceph journal
4 64.4GB 85.9GB 21.5GB ceph journal
5 85.9GB 107GB 21.5GB ceph journal
6 107GB 129GB 21.5GB ceph journal
7 129GB 150GB 21.5GB ceph journal
8 150GB 172GB 21.5GB ceph journal
9 172GB 193GB 21.5GB ceph journal
10 193GB 215GB 21.5GB ceph journal
11 215GB 236GB 21.5GB ceph journal
12 236GB 258GB 21.5GB ceph journal
13 258GB 279GB 21.5GB ceph journal
14 279GB 301GB 21.5GB ceph journal
15 301GB 322GB 21.5GB ceph journal
16 322GB 344GB 21.5GB ceph journal
[root@mar-osd03 ceph-80]# 创建分区表
代码语言：javascript复制# 为新的journal磁盘创建分区表，例如盘符为sdf
parted -s /dev/sdf mklabel gpt日志盘分区
代码语言：javascript复制[root@mar-mon01 ~]# parted -s /dev/nvme0n1 mkpart xfs 85.9GB 107GB
[root@mar-mon01 ~]# ceph日志盘个别osd没有挂载
代码语言：javascript复制[root@mar-mon01 ceph-3]# ceph-disk list
/dev/loop0 other, unknown
/dev/nvme0n1 :
/dev/nvme0n1p1 other, ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
/dev/nvme0n1p2 other, ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
/dev/nvme0n1p3 other, ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
/dev/nvme0n1p4 other, ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
/dev/sda :
/dev/sda1 ceph data, active, cluster ceph, osd.3
/dev/sdb :
/dev/sdb1 ceph data, active, cluster ceph, osd.11
/dev/sdc :
/dev/sdc1 ceph data, active, cluster ceph, osd.20
/dev/sdd :
/dev/sdd1 ceph data, active, cluster ceph, osd.25
/dev/sde :
/dev/sde1 ceph data, active, cluster ceph, osd.32, journal /dev/sdr1
/dev/sdf :
/dev/sdf1 ceph data, active, cluster ceph, osd.38, journal /dev/sdr2
/dev/sdg :
/dev/sdg1 ceph data, active, cluster ceph, osd.46, journal /dev/sdr3
/dev/sdh :
/dev/sdh1 ceph data, active, cluster ceph, osd.50, journal /dev/sdr4
/dev/sdi :
/dev/sdi1 ceph data, active, cluster ceph, osd.55, journal /dev/sds1
/dev/sdj :
/dev/sdj1 ceph data, active, cluster ceph, osd.60, journal /dev/sds2
/dev/sdk :
/dev/sdk1 ceph data, active, cluster ceph, osd.64, journal /dev/sds3
/dev/sdl :
/dev/sdl1 ceph data, active, cluster ceph, osd.66, journal /dev/sds4
/dev/sdm :
/dev/sdm1 ceph data, active, cluster ceph, osd.67, journal /dev/sdt1
/dev/sdn :
/dev/sdn1 ceph data, active, cluster ceph, osd.72, journal /dev/sdt2
/dev/sdo :
/dev/sdo1 ceph data, active, cluster ceph, osd.75, journal /dev/sdt3
/dev/sdp :
/dev/sdp1 ceph data, active, cluster ceph, osd.76, journal /dev/sdt4
/dev/sdq :
/dev/sdq1 other
/dev/sdq2 other
/dev/sdq3 other
/dev/sdq4 other
/dev/sdr :
/dev/sdr1 ceph journal, for /dev/sde1
/dev/sdr2 ceph journal, for /dev/sdf1
/dev/sdr3 ceph journal, for /dev/sdg1
/dev/sdr4 ceph journal, for /dev/sdh1
/dev/sds :
/dev/sds1 ceph journal, for /dev/sdi1
/dev/sds2 ceph journal, for /dev/sdj1
/dev/sds3 ceph journal, for /dev/sdk1
/dev/sds4 ceph journal, for /dev/sdl1
/dev/sdt :
/dev/sdt1 ceph journal, for /dev/sdm1
/dev/sdt2 ceph journal, for /dev/sdn1
/dev/sdt3 ceph journal, for /dev/sdo1
/dev/sdt4 ceph journal, for /dev/sdp1
/dev/sdu other, unknown
/dev/sdv other, unknown
/dev/sdw other, unknown
/dev/sdx :
/dev/sdx1 other, vfat, mounted on /boot/efi
/dev/sdx2 other, ext4, mounted on /boot
/dev/sdx3 other, ext4, mounted on /
/dev/sdx4 other, ext4, mounted on /var/log
You have new mail in /var/spool/mail/root
[root@mar-mon01 ceph-3]# 更换日志盘
代码语言：javascript复制[root@mar-mon01 ~]# ceph-osd -i 25 --flush-journal
2020-12-19 14:07:28.416005 7fb1f2225d80 -1 journal do_read_entry(1294585856): bad header magic
2020-12-19 14:07:28.416024 7fb1f2225d80 -1 journal do_read_entry(1294585856): bad header magic
2020-12-19 14:07:28.441435 7fb1f2225d80 -1 flushed journal /var/lib/ceph/osd/ceph-25/journal for object store /var/lib/ceph/osd/ceph-25
[root@mar-mon01 ~]# rm -f /var/lib/ceph/osd/ceph-25/journal
[root@mar-mon01 ~]# ll /dev/disk/by-partuuid/|grep nvme0n1p4
lrwxrwxrwx 1 root root 15 Dec 19 14:07 e91c938d-ba2a-4c8c-8c4c-4abe5371a39b -> ../../nvme0n1p4
[root@mar-mon01 ~]# ls -l /dev/disk/by-partuuid/|grep nvme0n1p4
lrwxrwxrwx 1 root root 15 Dec 19 14:07 e91c938d-ba2a-4c8c-8c4c-4abe5371a39b -> ../../nvme0n1p4
[root@mar-mon01 ~]# ln -s /dev/disk/by-partuuid/e91c938d-ba2a-4c8c-8c4c-4abe5371a39b /var/lib/ceph/osd/ceph-25/journal
me0n1p4 -i 25You have new mail in /var/spool/mail/root
[root@mar-mon01 ~]# echo e91c938d-ba2a-4c8c-8c4c-4abe5371a39b > /var/lib/ceph/osd/ceph-25/journal_uuid
[root@mar-mon01 ~]# chown ceph:ceph /dev/nvme0n1p4
[root@mar-mon01 ~]# ceph-osd --mkjournal --osd-journal /dev/nvme0n1p4 -i 25
2020-12-19 14:08:30.136318 7f336be46d80 -1 created new journal /dev/nvme0n1p4 for object store /var/lib/ceph/osd/ceph-25
[root@mar-mon01 ~]#注：通过ceph -s查看集群状态全部为active clean后，再执行ceph osd unset noout
