Monthly Archive for 七月, 2009

FreeBSD下ZFS RaidZ硬盘替换扩容实践

Published on 七月 22, 2009 in FreeBSD. 0 Comments Tags: , .

创建一个raidz1的ZFS pool
test# zpool create zfspool raidz da1 da2 da3
test# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
zfspool 23.9G 192K 23.9G 0% ONLINE -
test# zpool status
pool: zfspool
state: ONLINE
scrub: none requested
config:

NAME STATE READ WRITE CKSUM
zfspool ONLINE 0 0 0
raidz1 ONLINE 0 0 0
da1 ONLINE 0 0 0
da2 ONLINE 0 0 0
da3 ONLINE 0 0 0

errors: No known data errors

用更大的da4、da5、da6替换原来小的da1、da2、da3 Continue reading ‘FreeBSD下ZFS RaidZ硬盘替换扩容实践’

FreeBSD下ZFS mirror升降级、硬盘替换和在线/离线扩容实践

Published on 七月 21, 2009 in FreeBSD. 0 Comments Tags: , .

创建一个非冗余的ZFS pool
test# zpool create zfspool da1
test# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
zfspool 7.94G 110K 7.94G 0% ONLINE -
test# zpool status
pool: zfspool
state: ONLINE
scrub: none requested
config:

NAME STATE READ WRITE CKSUM
zfspool ONLINE 0 0 0
da1 ONLINE 0 0 0

errors: No known data errors

增加一个盘，升级为双路mirror
test# zpool attach zfspool da1 da2
test# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
zfspool 7.94G 112K 7.94G 0% ONLINE -
test# zpool status
pool: zfspool
state: ONLINE
scrub: resilver completed with 0 errors on Tue Jul 21 21:24:27 2009
config:

NAME STATE READ WRITE CKSUM
zfspool ONLINE 0 0 0
mirror ONLINE 0 0 0
da1 ONLINE 0 0 0
da2 ONLINE 0 0 0

errors: No known data errors

如果想直接建立一个双路mirror的ZFS pool用
test# zpool create zfspool mirror da1 da2

再增加一个盘，升级为三路mirror Continue reading ‘FreeBSD下ZFS mirror升降级、硬盘替换和在线/离线扩容实践’