linux – pvresize在增加底层块设备的大小后似乎没有调整大小

概述我增加了我用作LVM PV的分区大小,但运行pvresize似乎没有看到额外的空间： cuttle:~# fdisk -l /dev/vdaDisk /dev/vda: 21.5 GB, 21474836480 bytes255 heads, 63 sectors/track, 2610 cylindersUnits = cylinders of 16065 * 512 = 8225280 我增加了我用作LVM PV的分区大小,但运行pvresize似乎没有看到额外的空间：

cuttle:~# fdisk -l /dev/vdadisk /dev/vda: 21.5 GB,21474836480 bytes255 heads,63 sectors/track,2610 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesdisk IDentifIEr: 0x00027dbb   Device Boot      Start         End      Blocks   ID  System/dev/vda1   *           1          31      248976   83  linux/dev/vda2              32        2610    20715817+  8e  linux LVM

其中说vda2约为20gig

cuttle:~# pvdisplay  --- Physical volume ---  PV name               /dev/vda2  VG name               debian  PV Size               4.76 GiB / not usable 3.08 MiB  Allocatable           yes (but full)  PE Size               4.00 MiB  Total PE              1217  Free PE               0  Allocated PE          1217  PV UUID               tehZic-5vfN-rsrm-B8lN-lpgc-yQT1-ioH1V0

所以目前的pv约为4-5演出

cuttle:~# pvresize -v /dev/vda2    Using physical volume(s) on command line    Archiving volume group "debian" Metadata (seqno 12).    No change to size of physical volume /dev/vda2.    Resizing volume "/dev/vda2" to 9975981 sectors.    Updating physical volume "/dev/vda2"    Creating volume group backup "/etc/lvm/backup/debian" (seqno 13).  Physical volume "/dev/vda2" changed  1 physical volume(s) resized / 0 physical volume(s) not resized

pvresize说“物理卷大小/ dev / vda2没有变化”

cuttle:~# pvdisplay  --- Physical volume ---  PV name               /dev/vda2  VG name               debian  PV Size               4.76 GiB / not usable 3.08 MiB  Allocatable           yes (but full)  PE Size               4.00 MiB  Total PE              1217  Free PE               0  Allocated PE          1217  PV UUID               tehZic-5vfN-rsrm-B8lN-lpgc-yQT1-ioH1V0

并且光伏的大小没有改变.

不知道我还可以做些什么来使用额外的空间.我想我可以将分区大小调整为pv的大小,然后添加第二个分区,但在我看来,我在这里尝试做的事情应该可行.

解决方法 partprobe / dev / vda

man partprobe

name
partprobe – inform the OS of partition table changes

SYnopSIS partprobe [-d] [-s] [devices…]

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