| | 4 | |
| | 5 | * [公務] Hadoop 實驗平台加裝 1.5T 硬碟，並測試設定 LVM2 |
| | 6 | {{{ |
| | 7 | ~# cat /proc/partition |
| | 8 | major minor #blocks name |
| | 9 | |
| | 10 | 8 0 160836480 sda |
| | 11 | 8 1 159180021 sda1 |
| | 12 | 8 3 1654695 sda3 |
| | 13 | 8 16 312571224 sdb |
| | 14 | 8 17 312568641 sdb1 |
| | 15 | 8 32 1465138584 sdc |
| | 16 | ~# cfdisk /dev/sdc |
| | 17 | ~# cat /proc/partition |
| | 18 | major minor #blocks name |
| | 19 | |
| | 20 | 8 0 160836480 sda |
| | 21 | 8 1 159180021 sda1 |
| | 22 | 8 3 1654695 sda3 |
| | 23 | 8 16 312571224 sdb |
| | 24 | 8 17 312568641 sdb1 |
| | 25 | 8 32 1465138584 sdc |
| | 26 | 8 33 1465136001 sdc1 |
| | 27 | ~# pvcreate /dev/sdc1 |
| | 28 | ~# pvdisplay |
| | 29 | --- Physical volume --- |
| | 30 | PV Name /dev/sdc1 |
| | 31 | VG Name hadoop |
| | 32 | PV Size 1.36 TB / not usable 897.00 KB |
| | 33 | Allocatable yes (but full) |
| | 34 | PE Size (KByte) 4096 |
| | 35 | Total PE 357699 |
| | 36 | Free PE 0 |
| | 37 | Allocated PE 357699 |
| | 38 | PV UUID zW4cyi-1jKf-zug9-FcnG-ReVd-82W2-WGdwFP |
| | 39 | ~# vgcreate hadoop /dev/sdc1 |
| | 40 | ~# vgdisplay |
| | 41 | --- Volume group --- |
| | 42 | VG Name hadoop |
| | 43 | System ID |
| | 44 | Format lvm2 |
| | 45 | Metadata Areas 1 |
| | 46 | Metadata Sequence No 2 |
| | 47 | VG Access read/write |
| | 48 | VG Status resizable |
| | 49 | MAX LV 0 |
| | 50 | Cur LV 1 |
| | 51 | Open LV 0 |
| | 52 | Max PV 0 |
| | 53 | Cur PV 1 |
| | 54 | Act PV 1 |
| | 55 | VG Size 1.36 TB |
| | 56 | PE Size 4.00 MB |
| | 57 | Total PE 357699 <====== 等一下會用到這個數字 |
| | 58 | Alloc PE / Size 357699 / 1.36 TB |
| | 59 | Free PE / Size 0 / 0 |
| | 60 | VG UUID PTdhAu-cGBn-ZoWh-hL9u-MQ0F-enKT-DOcEtC |
| | 61 | ~# lvcreate -l 357699 -n hadoop-home hadoop |
| | 62 | ~# lvdisplay |
| | 63 | --- Logical volume --- |
| | 64 | LV Name /dev/hadoop/hadoop-home <======= LVM2 裝置的路徑 |
| | 65 | VG Name hadoop |
| | 66 | LV UUID 0C1hUa-QVJW-mAGL-ygtu-DoIL-6Cmi-viGZ8k |
| | 67 | LV Write Access read/write |
| | 68 | LV Status available |
| | 69 | # open 0 |
| | 70 | LV Size 1.36 TB |
| | 71 | Current LE 357699 |
| | 72 | Segments 1 |
| | 73 | Allocation inherit |
| | 74 | Read ahead sectors auto |
| | 75 | - currently set to 256 |
| | 76 | Block device 254:0 |
| | 77 | ~# mkfs.ext3 /dev/hadoop/hadoop-home |
| | 78 | ~# mount /dev/hadoop/hadoop-home /mnt/ |
| | 79 | ~# |
| | 80 | }}} |
