# df -h /dev/drbd0
Filesystem Size Used Avail Use% Mounted on
/dev/drbd0 40G 5.0G 33G 14% /var/lib/mysql
# lvs /dev/vg01/var_lib_mysql
LV VG Attr LSize Origin Snap% Move Log Copy% Convert
var_lib_mysql vg01 -wi-ao 40.00G
# vgs
VG #PV #LV #SN Attr VSize VFree
vg01 1 8 0 wz--n- 801.44G 684.44G
# lvextend -L +1G /dev/vg01/var_lib_mysql
Extending logical volume var_lib_mysql to 41.00 GB
Logical volume var_lib_mysql successfully resized
# lvs /dev/vg01/var_lib_mysql
LV VG Attr LSize Origin Snap% Move Log Copy% Convert
var_lib_mysql vg01 -wi-ao 41.00G
# drbdadm resize r0
# cat /proc/drbd
version: 8.2.6 (api:88/proto:86-88)
GIT-hash: 3e69822d3bb4920a8c1bfdf7d647169eba7d2eb4 build by root@mysql01, 2010-02-05 12:37:12
0: cs:SyncSource st:Primary/Secondary ds:UpToDate/Inconsistent C r---
ns:73323912 nr:5386020 dw:78565548 dr:5055986 al:10326 bm:256 lo:0 pe:0 ua:0 ap:0 oos:904380
[=>..................] sync'ed: 14.4% (904380/1048764)K
finish: 0:00:25 speed: 36,096 (36,096) K/sec
※この時点でDRBDの同期が始まる
# cat /proc/drbd
version: 8.2.6 (api:88/proto:86-88)
GIT-hash: 3e69822d3bb4920a8c1bfdf7d647169eba7d2eb4 build by buildcentos@v20z-x86-64.home.local, 2008-10-14 10:57:44
0: cs:Connected st:Secondary/Primary ds:UpToDate/UpToDate C r---
ns:73487864 nr:95970352 dw:169458060 dr:1684311 al:4661 bm:1169 lo:0 pe:0 ua:0 ap:0 oos:0
※同期完了後にSecondaryホストで実行
# drbdadm resize r0
# resize2fs /dev/drbd0
もしくは
# ext2online /dev/drbd0
ext2online v1.1.18 - 2001/03/18 for EXT2FS 0.5b
# df -h /dev/drbd0
Filesystem Size Used Avail Use% Mounted on
/dev/drbd0 41G 5.0G 34G 14% /var/lib/mysql
最終更新:2011年01月04日 16:05