resize2fs를 이용한 파티션 리사이징
가상화를 쓰다보면.. 처음부터 디스크 용량을 크게 잡기도 부답스럽고 해서 적게 잡는다.
운영하다보면.. 필연적으로 용량을 늘려줘야 하는 경우가 생김.. 이럴 경우 사이즈 resize2fs를 통해서 리사이징 할수 있음
[root@netggio.pe.kr ~]# fdisk /dev/xvdb WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p Disk /dev/xvdb: 107.4 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x75a9f100 Device Boot Start End Blocks Id System /dev/xvdb1 1 13054 104856223+ 83 Linux Command (m for help): d Selected partition 1 Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-13054, default 1): Using default value 1 Last cylinder, +cylinders or +size{K,M,G} (1-13054, default 13054): Using default value 13054 Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@netggio.pe.kr ~]# e2fsck -f /dev/xvdb1 e2fsck 1.41.12 (17-May-2010) Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information /dev/xvdb1: 3120/5242880 files (8.7% non-contiguous), 670969/20970841 blocks [root@netggio.pe.kr ~]# resize2fs /dev/xvdb1 resize2fs 1.41.12 (17-May-2010) Resizing the filesystem on /dev/xvdb1 to 26214055 (4k) blocks. The filesystem on /dev/xvdb1 is now 26214055 blocks long.