在线扩盘需要注意的点

1.注意在线扩盘的LVS名称

2.注意resize2fs的时间点是单个单个执行，加多块盘时，切记不可一起增加

pvcreate   /dev/sdbvgextend  VolGroup00  /dev/sdblvextend -l +100%FREE /dev/VolGroup00/LogVol00resize2fs  /dev/VolGroup00/LogVol00

[s-linuxad@imgfile-v-szzb ~]$ df -hFilesystem            Size  Used Avail Use% Mounted on/dev/mapper/VolGroup00-LogVol00                      289G  169G  106G  62% //dev/sda1              99M   26M   68M  28% /boottmpfs                 7.8G   12K  7.8G   1% /dev/shm[s-linuxad@imgfile-v-szzb ~]$ sudo -i[root@imgfile-v-szzb ~]# lvdisplay  --- Logical volume ---  LV Name                /dev/VolGroup00/LogVol00  VG Name                VolGroup00  LV UUID                8d1kvS-5mba-BSOQ-Z7rd-xf8a-hJ3h-y3lUTl  LV Write Access        read/write  LV Status              available  # open                 1  LV Size                297.91 GB  Current LE             9533  Segments               2  Allocation             inherit  Read ahead sectors     0  Block device           253:0     --- Logical volume ---  LV Name                /dev/VolGroup00/LogVol01  VG Name                VolGroup00  LV UUID                w2C8gK-NUfy-LF4s-vM4R-I5xZ-4Q62-lspDrQ  LV Write Access        read/write  LV Status              available  # open                 1  LV Size                1.94 GB  Current LE             62  Segments               1  Allocation             inherit  Read ahead sectors     0  Block device           253:1