我有一个文件系统的LV。 这个文件系统背后的LUN已经在SAN上成长了，PV，VG和LV也一样。
但块设备似乎不匹配，所以我的resize2fs失败。
我从来没有见过这个，什么给了？
我正在使用Oracle Linux 6.5
# rpm -qa | egrep 'mdadm|lvm' mdadm-3.2.5-4.el6_4.3.x86_64 lvm2-2.02.98-9.el6_4.3.x86_64 lvm2-libs-2.02.98-9.el6_4.3.x86_64 旧尺寸是30G。 新的尺寸是45G
# pvs PV VG Fmt Attr PSize PFree /dev/md0 vg_app lvm2 a-- 45.00g 0 # vgs VG #PV #LV #SN Attr VSize VFree vg_app 1 1 0 wz--n- 45.00g 0 # lvs LV VG Attr LSize Pool Origin Data% Move Log Cpy%Sync Convert lv_app vg_app -wi-ao--- 45.00g # vgdisplay vg_app --- Volume group --- VG Name vg_app System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 9 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 1 Max PV 0 Cur PV 1 Act PV 1 VG Size 45.00 GiB PE Size 4.00 MiB Total PE 11519 Alloc PE / Size 11519 / 45.00 GiB Free PE / Size 0 / 0 VG UUID McCXhj-nUuJ-ojpD-mnkc-2foM-oxnJ-mIb9pW # lvdisplay /dev/vg_app/lv_app --- Logical volume --- LV Path /dev/vg_app/lv_app LV Name lv_app VG Name vg_app LV UUID Mx0rhZ-PnmL-cb3H-iF81-hs0u-20Zj-X5IUme LV Write Access read/write LV Creation host, time , LV Status available # open 1 LV Size 45.00 GiB Current LE 11519 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:2 # blockdev --getsize64 /dev/vg_app/lv_app 31138512896 # blockdev --rereadpt /dev/vg_app/lv_app BLKRRPART: Invalid argument #