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글번호 861
작성자 heojk
작성일 2018-04-23 17:29:59
제목 하둡 클러스터 설치를 위한 레이드 디스크 구성
내용 login as: root root@192.168.192.129's password: [root@master ~]# cd /dev [root@master dev]# ls sd* sda sda1 sda2 sdb sdb1 sdb2 sdc sdd sde sdf sdg sdh sdi sdj [root@master dev]# ls -l sd* brw-rw----. 1 root disk 8, 0 4월 23 16:31 sda brw-rw----. 1 root disk 8, 1 4월 23 16:31 sda1 brw-rw----. 1 root disk 8, 2 4월 23 16:31 sda2 brw-rw----. 1 root disk 8, 16 4월 23 16:31 sdb brw-rw----. 1 root disk 8, 17 4월 23 16:31 sdb1 brw-rw----. 1 root disk 8, 18 4월 23 16:31 sdb2 brw-rw----. 1 root disk 8, 32 4월 23 16:31 sdc brw-rw----. 1 root disk 8, 48 4월 23 16:31 sdd brw-rw----. 1 root disk 8, 64 4월 23 16:31 sde brw-rw----. 1 root disk 8, 80 4월 23 16:31 sdf brw-rw----. 1 root disk 8, 96 4월 23 16:31 sdg brw-rw----. 1 root disk 8, 112 4월 23 16:31 sdh brw-rw----. 1 root disk 8, 128 4월 23 16:31 sdi brw-rw----. 1 root disk 8, 144 4월 23 16:31 sdj [root@master dev]# fdisk sdc Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Device does not contain a recognized partition table Building a new DOS disklabel with disk identifier 0x38c2dab1. Command (m for help): n Partition type: p primary (0 primary, 0 extended, 4 free) e extended Select (default p): Using default response p Partition number (1-4, default 1): First sector (2048-20971519, default 2048): Using default value 2048 Last sector, +sectors or +size{K,M,G} (2048-20971519, default 20971519): Using default value 20971519 Partition 1 of type Linux and of size 10 GiB is set Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@master dev]# fdisk sdd ... [root@master dev]# mdadm --create /dev/md/level10 --level=10 --raid-devices=8 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1 /dev/sdi1 /dev/sdj1 mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md/level10 started. [root@master dev]# mdadm --detail --scan ARRAY /dev/md/root metadata=1.2 name=localhost:root UUID=fbab4caf:fbb5421d:2b8d7ab8:d13bace0 ARRAY /dev/md/swap metadata=1.2 name=localhost:swap UUID=9d201f44:ef074b7c:d3d222ae:defcce29 ARRAY /dev/md/level10 metadata=1.2 name=master:level10 UUID=11d4442c:90bae780:52c78fa8:494686d2 [root@master dev]# mdadm --detail /dev/md/level10 /dev/md/level10: Version : 1.2 Creation Time : Mon Apr 23 16:41:11 2018 Raid Level : raid10 Array Size : 41906176 (39.96 GiB 42.91 GB) Used Dev Size : 10476544 (9.99 GiB 10.73 GB) Raid Devices : 8 Total Devices : 8 Persistence : Superblock is persistent Update Time : Mon Apr 23 16:42:04 2018 State : clean, resyncing Active Devices : 8 Working Devices : 8 Failed Devices : 0 Spare Devices : 0 Layout : near=2 Chunk Size : 512K Consistency Policy : resync Resync Status : 25% complete Name : master:level10 (local to host master) UUID : 11d4442c:90bae780:52c78fa8:494686d2 Events : 4 Number Major Minor RaidDevice State 0 8 33 0 active sync set-A /dev/sdc1 1 8 49 1 active sync set-B /dev/sdd1 2 8 65 2 active sync set-A /dev/sde1 3 8 81 3 active sync set-B /dev/sdf1 4 8 97 4 active sync set-A /dev/sdg1 5 8 113 5 active sync set-B /dev/sdh1 6 8 129 6 active sync set-A /dev/sdi1 7 8 145 7 active sync set-B /dev/sdj1 [root@master dev]# [root@master dev]# mkfs.ext4 /dev/md/level10 mke2fs 1.42.9 (28-Dec-2013) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=128 blocks, Stripe width=512 blocks 2621440 inodes, 10476544 blocks 523827 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=2157969408 320 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done [root@master dev]# mkdir /dfs [root@master dev]# mount /dev/md/level10 /dfs [root@master dev]# cd /dfs/ [root@master dfs]# cat > sample.txt Hello World [root@master dfs]# cat sample.txt Hello World [root@master dfs]# [root@master dev]# vi /etc/fstab # # /etc/fstab # Created by anaconda on Mon Apr 23 16:01:58 2018 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # UUID=33e8629b-8196-49cf-b455-fdf8d1f069d4 / ext4 defaults 1 1 UUID=eea48463-c9e7-40d0-92a0-bda2f5b6fe82 swap swap defaults 0 0 /dev/md/level10 /dfs ext4 defaults 0 2 ~ [root@master dfs]# init 6
첨부파일 하둡을 설치하기 위한 레이드 구성.pptx (46,562byte)