lvm 卷分区表错误

lilo_kde

虚拟机上linux系统安装采用了lvm卷管理, 现准备扩大容量, 对LVM不熟悉发现很多问题,望帮忙解决

1. 用fdisk检查发现每个lv 都有这个错doesn't contain a valid partition table;

2. 已经在vmware扩大了硬盘容量为53G(fdisk 可以看到是53G), 但fdisk /dev/sda 增加不了新的空间,  pv也只有以前的17G;

root@debian:/home/dev# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sda5
  VG Name               debian
  PV Size               17.76 GiB / not usable 2.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              4546
  Free PE               0
  Allocated PE          4546
  PV UUID               c0BFiT-BqgM-E3eW-F23s-w3P2-GQCx-ar8a3a

root@debian:/home/dev# fdisk -l

Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders, total 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000c8123

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      499711      248832   8e  Linux LVM
/dev/sda2          501758    37746687    18622465    5  Extended
/dev/sda5          501760    37746687    18622464   8e  Linux LVM

Disk /dev/mapper/debian-root: 348 MB, 348127232 bytes
255 heads, 63 sectors/track, 42 cylinders, total 679936 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/debian-root doesn't contain a valid partition table

Disk /dev/mapper/debian-swap_1: 532 MB, 532676608 bytes
255 heads, 63 sectors/track, 64 cylinders, total 1040384 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/debian-swap_1 doesn't contain a valid partition table

Disk /dev/mapper/debian-usr: 7176 MB, 7176454144 bytes
255 heads, 63 sectors/track, 872 cylinders, total 14016512 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/debian-usr doesn't contain a valid partition table

Disk /dev/mapper/debian-var: 2998 MB, 2998927360 bytes
255 heads, 63 sectors/track, 364 cylinders, total 5857280 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/debian-var doesn't contain a valid partition table

Disk /dev/mapper/debian-tmp: 398 MB, 398458880 bytes
255 heads, 63 sectors/track, 48 cylinders, total 778240 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/debian-tmp doesn't contain a valid partition table

Disk /dev/mapper/debian-home: 7612 MB, 7612661760 bytes
255 heads, 63 sectors/track, 925 cylinders, total 14868480 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/debian-home doesn't contain a valid partition table

liaosnet

建议新增加一个虚拟硬盘，再加入到卷组里去即可~省事。。

dengbao2001

做了LVM， 如果用fdisk -l ,可以忽略这个消息 doesn't contain a valid partition table

dengbao2001

lvm的管理方式，不是用fdisk，有LVM自己的相关命令

lilo_kde

这个错误警告确实没什么影响