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1、创建存储池pool8 i1 l( d2 c8 M7 e5 P' L# U" z
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[root@ceph-1 ceph]# ceph osd pool create block_data 604 u7 T' P& b* i8 n9 j3 a# T" }
[root@ceph-1 ceph]# ceph osd lspools1 {9 H5 Q3 b m2 y% V: p1 K) z7 P4 ^
1 cephfs_data, F& W9 h6 m% V
2 cephfs_metadata
6 Z O* x; {+ T h: r3 block_data
. T6 r8 z# m( d3 ~5 W3 w2、创建RBD镜像，feature为layering* c0 H( F8 t b) Z5 {3 t/ \
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[root@ceph-1 ceph]# rbd create myimage -s 10G --image-feature layering -p block_data6 c! G; X0 M/ f% K+ L$ y
[root@ceph-1 ceph]# rbd ls -p block_data2 M& S ~( \& r O; `9 I( {
myimage
1 E4 B0 L7 s7 Q+ E/ Z: r! @ j[root@ceph-1 ceph]# rbd info myimage -p block_data+ V+ T" h/ k: o7 R
rbd image 'myimage':( Y# w2 k+ q5 C: ~) L9 z. J6 Q
size 10 GiB in 2560 objects! s2 ^# F |8 u0 z8 z1 E% g
order 22 (4 MiB objects)
' \7 e* v9 P3 e& |. r id: 108b6b8b4567: s' R2 q8 C- I& P
block_name_prefix: rbd_data.108b6b8b4567
% U9 k% k2 _. v0 R' a format: 2
, x0 ^8 ~4 n) E$ X2 @) B features: layering
8 \; E) H3 ]5 M, S op_features:$ k" ?5 Q8 q, S: X
flags:0 M& }- a C% K2 t2 F- o+ Q& H
create_timestamp: Thu Jun 2 21:33:40 2022
6 o- t% O8 P3 f, e# l" R3、将myimage映射为块设备
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[root@ceph-1 ceph]# rbd map myimage -p block_data) b3 w( h+ E7 ^% g8 S
/dev/rbd0
8 d. G; F: S5 \$ B9 D, v$ i1 b- h[root@ceph-1 ceph]# rbd showmapped
\1 v- U. z$ l% u0 I5 [id pool image snap device7 n' N; y& X% Y) |1 N+ z
0 block_data myimage - /dev/rbd0# Y$ a1 e' C- ~
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[root@ceph-1 ceph]# lsblk% M/ O* [; p) Z3 M. Q% L
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
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rbd0 252:0 0 10G 0 disk9 h' ?7 P1 e, p: j* }. L- W( a
! `' v7 n+ \+ G4、格式化挂载使用" o, g/ C; S1 M6 B
* u# Y$ u+ m- M; G[root@ceph-1 ceph]# mkfs.xfs /dev/rbd0: F1 S! A9 c% i8 {, E- Q6 ?
[root@ceph-1 ceph]# mount /dev/rbd0 /mnt
- T0 J8 n1 T2 U$ _" r[root@ceph-1 ceph]# df -h
: I- c% ~' K Y+ x2 m4 TFilesystem Size Used Avail Use% Mounted on; I# x" {" }- G3 y, M9 l: b1 G
/dev/mapper/centos-root 50G 1.6G 49G 4% /
2 ^/ ]0 t$ s9 [devtmpfs 899M 0 899M 0% /dev, q; o. [1 c- F6 R, b; m5 `
tmpfs 911M 0 911M 0% /dev/shm( y2 S6 a" C2 i4 a6 a) a; u
tmpfs 911M 9.6M 902M 2% /run. t+ N( h9 g) U0 m7 |4 K
tmpfs 911M 0 911M 0% /sys/fs/cgroup
- W' t5 R& @" m4 y1 W, V8 @9 b/dev/sda1 1014M 142M 873M 14% /boot- i7 a. C: K, j! R9 I( d- n" \
/dev/mapper/centos-home 47G 33M 47G 1% /home y: K% @- q- Z! U' h' m
tmpfs 183M 0 183M 0% /run/user/06 G% I: J$ @) _" v& q+ k \1 q
tmpfs 911M 52K 911M 1% /var/lib/ceph/osd/ceph-0
# t0 L2 `3 K9 {/dev/rbd0 10G 33M 10G 1% /mnt9 [0 g2 h2 _: T5 E4 r1 E
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发表于 2022-6-17 16:25:21