LVM磁盘管理技术案例讲解
作者 佚名技术
来源 Linux系统
浏览
发布时间 2012-05-06
| his may take a while... Couldn''t find device with uuid ''6T3gUb-fFdj-MMUL-wUTN-qdXG-8iEP-KsWbgb''. Couldn''t find all physical volumes for volume group VolGroup00. Couldn''t find device with uuid ''6T3gUb-fFdj-MMUL-wUTN-qdXG-8iEP-KsWbgb''. Couldn''t find all physical volumes for volume group VolGroup00. Volume group "VolGroup00" not found [root@localhost /]# vgcreate vg0 /dev/sdb1 /dev/sdb2 #建立卷组,名字叫:vg0 Volume group "vg0" successfully created [root@localhost /]# [root@localhost /]# vgdisplay vg0 --- Volume group --- VG Name vg0 System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 Open LV 0 Max PV 0 Cur PV 2 Act PV 2 VG Size 200.00 MB PE Size 4.00 MB #默认PE 都是4M, 通过 vgcreate -s 8M 可修改. Total PE 50 Alloc PE / Size 0 / 0 Free PE / Size 50 / 200.00 MB VG UUID WKRPJT-MI6G-vGk9-vne2-Gfg2-sAry-llsF7B 请输入内容 OK,下面是建立逻辑卷了,在这不我添加了名字为data 的逻辑卷了. 注意:-L 和-l的区别,前面是根据大小来的,后面的是根据块数来的,也就是几个PE. [root@localhost /]# lvcreate -n data -L 10M vg0 #建立名为data,大小10M /dev/cdrom: open failed: Read-only file system Rounding up size to full physical extent 12.00 MB Logical volume "data" created [root@localhost /]# lvdisplay #查看下逻辑卷情况 --- Logical volume --- LV Name /dev/vg0/data VG Name vg0 LV UUID qrC9H4-iHWi-Si4m-hN7G-x6Cm-yupr-aXRBVi LV Write Access read/write LV Status available # open 0 LV Size 12.00 MB #为什么是12M呢?我不是输入10M大小的吗? Current LE 3 就当是个问题考考大家了, Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:2 Couldn''t find all physical volumes for volume group VolGroup00. Couldn''t find device with uuid ''6T3gUb-fFdj-MMUL-wUTN-qdXG-8iEP-KsWbgb''. Couldn''t find all physical volumes for volume group VolGroup00. Volume group "VolGroup00" not found [root@localhost /]# mkfs.ext3 /dev/vg0/data #格式化成ext3格式. mke2fs 1.35 (28-Feb-2004) Filesystem label= OS type: Linux Block size=1024 (log=0) Fragment size=1024 (log=0) 3072 inodes, 12288 blocks 614 blocks (5.00%) reserved for the super user First data block=1 Maximum filesystem blocks=12582912 2 block groups 8192 blocks per group, 8192 fragments per group 1536 inodes per group Superblock backups stored on blocks: 8193 Writing inode tables: done Creating journal (1024 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 35 mounts or 180 days, which |
凌众科技专业提供服务器租用、服务器托管、企业邮局、虚拟主机等服务，公司网站：http://www.lingzhong.cn 为了给广大客户了解更多的技术信息，本技术文章收集来源于网络,凌众科技尊重文章作者的版权，如果有涉及你的版权有必要删除你的文章，请和我们联系。以上信息与文章正文是不可分割的一部分,如果您要转载本文章,请保留以上信息，谢谢! |
你可能对下面的文章感兴趣
关于LVM磁盘管理技术案例讲解的所有评论
