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停止有问题ceph的mon服务:
* l& ^6 a/ F& p0 V' I[root@host11 ~]# systemctl stop ceph-mon@host11
8 F( ~5 K; [- @7 `: q, Z& p- j( z8 |, |& _$ B; U# ?
删除有问题的mon数据:- z; U# |% \; ?$ l; {* T) z @
[root@host11 ~]# rm -rf /var/lib/ceph/mon/ceph-host11/*, w5 k: l( o' S/ F D! ?+ |
: ~: W3 H' X- z/ w尝试使用rsync方式同步:
3 w) A/ G6 K* U4 G[root@host11 ~]# rsync -avz root@host10:/var/lib/ceph/mon/ceph-host10/ /var/lib/ceph/mon/ceph-host11/! m4 w. e. L1 ~2 _9 U% b
-bash: rsync: command not found5 d; o- V1 M$ D- C9 O" {! L) G
[root@host11 ~]# dnf install -y rsync
9 a1 o+ {5 B# a0 \3 n-bash: dnf: command not found
& d" H5 h4 B2 E) W* l4 X4 |" F; o报错:无法使用rsync方式同步:+ ` M/ C/ \+ x/ F, o: a5 ]5 @" b
" o9 w/ Y- e6 m$ W使用scp方式复制:5 ]2 S. s, @' J& C! q% e4 ?( v* H
[root@host11 ~]# scp root@host10:/var/lib/ceph/mon/ceph-host10/ /var/lib/ceph/mon/ceph-host11/8 l4 p6 k' O! v0 F- ^
scp: /var/lib/ceph/mon/ceph-host10: not a regular file
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4 O) F" ?) K) d- _3 X* @
. x2 x( V8 a, H8 e, W* @[root@host11 ~]# scp -r root@host10:/var/lib/ceph/mon/ceph-host10/ /var/lib/ceph/mon/ceph-host11/
( M/ c- F. s& F9 C) D; B, Ikv_backend 100% 8 9.3KB/s 00:00 * B% v' I9 C Y2 K: v
LOCK 100% 0 0.0KB/s 00:00 8 |7 c3 _$ g: e/ f/ K+ R6 U
CURRENT 100% 17 24.8KB/s 00:00 + o5 R# H2 \8 R9 q* R
IDENTITY 100% 37 2.7KB/s 00:00 + z0 R, \% `2 u; \
OPTIONS-9023316 100% 4943 5.9MB/s 00:00 8 w/ g: }2 \" E
MANIFEST-9024281 100% 4822KB 49.2MB/s 00:00 " J$ i D; G: p8 u9 {
OPTIONS-9024284 100% 4943 6.8MB/s 00:00
6 c' v" O" p! x6 A2 w" v |9106767.log 100% 14MB 51.4MB/s 00:00
, R" t6 p" W7 \" a3 ^! y9106769.sst 100% 57MB 55.0MB/s 00:01 6 N$ G$ c6 R9 e2 {3 Q; x: X6 n
keyring 100% 77 43.2KB/s 00:00 2 {: f4 R0 j/ ?9 G( w6 t
done 100% 0 0.0KB/s 00:00
8 ^; \+ ?7 r8 c. \systemd 100% 0 0.0KB/s 00:00 ! [9 ~: D+ N' n, ^4 H
min_mon_release 100% 3 0.2KB/s 00:00
% ^4 t; g1 K6 U% T9 f6 ^! D/ [1 [- F
[root@host11 ceph-host10]# ls
X" v1 w1 c: x* O+ T$ Cdone keyring kv_backend min_mon_release store.db systemd
) L9 b' z% Z: O9 h/ |, E[root@host11 ceph-host10]# mv * ..& j7 E, }* c. K" X0 V+ e+ s
[root@host11 ceph-host10]# ls
5 G7 J) c) i1 p3 x! @[root@host11 ceph-host10]# cd ..! u l/ p: v5 \! a& s* ?5 Y
[root@host11 ceph-host11]# ls
4 W4 C( V! O7 O; |8 n" mceph-host10 done keyring kv_backend min_mon_release store.db systemd
4 ^6 o7 ^) q( q
9 i3 F1 w7 ]+ L% ?: c* [. l[root@host11 ceph-host11]# ls
6 H" c/ A5 Y0 G4 A2 adone keyring kv_backend min_mon_release store.db systemd
; i/ n/ O) t. [0 m- {% G3 m[root@host11 ceph-host11]# ll; g- Z% g* }; o3 I% K; {
total 12
4 [) e, ~/ }8 ~: t- O-rw-r--r-- 1 root root 0 Mar 28 07:20 done Y5 [5 C9 j! P* s" m* ^
-rw------- 1 root root 77 Mar 28 07:20 keyring
! e5 ]& G2 A, A/ A4 D-rw------- 1 root root 8 Mar 28 07:20 kv_backend2 a- e: j! g. h" e! m1 ]
-rw------- 1 root root 3 Mar 28 07:20 min_mon_release, S: l+ B% L- ?) u5 y
drwxr-xr-x 2 root root 157 Mar 28 07:20 store.db
8 L3 e5 g1 `9 D7 F! R2 G C) T7 ~" D3 ]-rw-r--r-- 1 root root 0 Mar 28 07:20 systemd
, c1 Z! E' w' u( a* X[root@host11 ceph-host11]# cd ..# g3 c" N9 J- D
[root@host11 mon]# ls
7 e4 w6 b% p+ w uceph-host11
" e$ }. a; ]$ c; q/ q[root@host11 mon]# ll
/ t7 b7 ~+ H( G' V1 `total 0
/ S' f1 V+ \7 W- Q2 ?drwxr-xr-x 3 ceph ceph 105 Mar 28 07:20 ceph-host110 k4 l W: W+ t' y. F% @: s
[root@host11 mon]# chown -R ceph:ceph ceph-host11/
5 c8 x7 _: p5 [: k+ F* L4 \[root@host11 mon]# cd ceph-host11/9 K; N: @* Q7 u- _
[root@host11 ceph-host11]# ls
5 a' K1 U. \1 e, h; n8 a- }done keyring kv_backend min_mon_release store.db systemd
) U4 c7 i1 b# k[root@host11 ceph-host11]# ll
7 Y2 ~) {$ }$ o" ]/ G& [1 @; ntotal 124 f' r8 ^, G8 ?+ S7 a
-rw-r--r-- 1 ceph ceph 0 Mar 28 07:20 done
. c: y7 y; M* Q3 u8 {1 K v-rw------- 1 ceph ceph 77 Mar 28 07:20 keyring1 Q2 {# N' E. ?3 h/ k1 u8 b
-rw------- 1 ceph ceph 8 Mar 28 07:20 kv_backend
/ k Y5 N* v: v5 I: r, b: ^, V-rw------- 1 ceph ceph 3 Mar 28 07:20 min_mon_release5 a7 G. h8 R: ?* c% N
drwxr-xr-x 2 ceph ceph 157 Mar 28 07:20 store.db
/ T+ [3 V; t0 p) G- C-rw-r--r-- 1 ceph ceph 0 Mar 28 07:20 systemd
3 k* k0 |3 T6 W) w3 W5 L" P4 f
启动mon服务:7 Q2 r" ?( G) t' G9 m
[root@host11 ceph-host11]# systemctl start ceph-mon@host11.service
9 o# l( m3 B: f. i8 ^! e4 OJob for ceph-mon@host11.service failed because start of the service was attempted too often. See "systemctl status ceph-mon@host11.service" and "journalctl -xe" for details.9 R! k: B% m( Q" g' x9 C- f4 ^
To force a start use "systemctl reset-failed ceph-mon@host11.service" followed by "systemctl start ceph-mon@host11.service" again.
* N( o" }+ n7 F8 j' v* R" U9 A( A7 L8 y" C: V
根据提示修改:! U9 u3 ]* ?+ R
[root@host11 ceph-host11]# systemctl reset-failed ceph-mon@host11.service
7 x! p; D' E9 E, ?4 I% H7 W9 U! Q) _$ {( P+ T
再次启动:
, P' p: A- A3 h# E# a }1 e[root@host11 ceph-host11]# systemctl start ceph-mon@host11.service
' }4 w0 ]( L6 s: t3 e+ q3 Q# q0 O检查状态:
, D& [9 v% P! X4 E. q) u4 ~ Q9 c[root@host11 ceph-host11]# systemctl status ceph-mon@host11.service
! W# `) j7 E' D● ceph-mon@host11.service - Ceph cluster monitor daemon
6 R/ w3 W6 n- P F Loaded: loaded (/usr/lib/systemd/system/ceph-mon@.service; enabled; vendor preset: disabled)% _/ m1 G C3 U2 W: k) |* ?
Active: active (running) since Sat 2026-03-28 07:22:00 CST; 11s ago
5 k; A# Q5 @5 s5 [6 P* H Main PID: 68995 (ceph-mon)* Z, z0 t8 \6 g, u/ ^
CGroup: /system.slice/system-ceph\x2dmon.slice/ceph-mon@host11.service, }, X8 z6 u' N. t2 H0 Z6 r
└─68995 /usr/bin/ceph-mon -f --cluster ceph --id host11 --setuser ceph --setgroup ceph/ h. P, w. V& r' W- {. E: I/ K' H
; c3 v% v9 S ]1 U; U
Mar 28 07:22:00 host11 systemd[1]: Started Ceph cluster monitor daemon.4 R1 C' O8 D) V" ?, W
Mar 28 07:22:06 host11 ceph-mon[68995]: 2026-03-28 07:22:06.757 7fc8eef35700 -1 mon.host11@2(electing) e3 failed to get devid for : udev_device_new_from_sub...iled on ''
1 }0 F2 e& K& j8 WMar 28 07:22:06 host11 ceph-mon[68995]: 2026-03-28 07:22:06.793 7fc8eef35700 -1 mon.host11@2(electing) e3 failed to get devid for : udev_device_new_from_sub...iled on ''
4 p( E! t6 \. o( THint: Some lines were ellipsized, use -l to show in full.
; Z) {$ o( _- p1 _/ l[root@host11 ceph-host11]# 8 f# A" n# q; u# G6 {. r8 _
[root@host11 ceph-host11]#
8 {. y6 L/ Q9 Y ]# `* H# S( h[root@host11 ceph-host11]# ceph -s' |0 |! o" `4 N. m. R
cluster:- O; F% Y* r! `& B c) p4 U$ N# s# k0 j3 \
id: 9d22e36a-2bdd-4d2d-8394-ead7779 j" S1 S& K. G: A
health: HEALTH_WARN
! f% D" B7 e/ G/ I( x# b+ o 3 nearfull osd(s)
. Q8 y+ M9 P# S 5 pool(s) nearfull4 J [. Q8 i/ Y7 o; r2 l3 H/ h
5 daemons have recently crashed: s, f* p6 I3 X: x" J3 R0 w& C% j
/ M, |7 L# a7 J0 X8 O0 Y9 T# B* n, T services:
; X; z: j3 i" f% V0 f mon: 3 daemons, quorum host09,host10,host11 (age 22s)
5 H4 W+ L* U) f3 `% I mgr: host09(active, since 6w), standbys: host11, host109 _+ ]$ e0 X) L1 @- `
osd: 40 osds: 40 up (since 6w), 40 in (since 6w)5 c! D( ]" }* {. B9 P+ ~" ]
: Y9 I/ f8 O4 T* g( n
data:
% v9 b2 G, M* Z* o pools: 16 pools, 3072 pgs
# h" \" O- z$ u$ U/ B) u objects: 7.15M objects, 27 TiB
- p B9 c# ^9 e+ @ usage: 65 TiB used, 83 TiB / 147 TiB avail
) G, f0 Z4 s! f pgs: 3069 active+clean3 C( R u: U) p1 @* j' H, X& I
3 active+clean+scrubbing+deep. N7 X* G/ H& y+ l t1 V; b+ q/ K
8 L+ B3 D% M2 R0 c6 _
io:* [- X) N+ y. S, H1 }
client: 16 MiB/s rd, 27 MiB/s wr, 339 op/s rd, 380 op/s wr: h _, V* v; m& q
7 q( M+ ], \5 l6 n: P
mon问题解决。0 x* M7 g! E9 s s2 V3 r8 R0 O
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