<余談>
以前本業で、
運用している IBM Brade server HS20 1台(RAID1 HDD 2ユニット)から
株分け株分けしていって、
HS20 3台(RAID1 HDD 6ユニット)のクローンを作ったことを思い出した。
今は懐かしい過去。
</余談>
ude:~# fdisk -l /dev/sdb Disk /dev/sdb: 250.0 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 125 1004031 83 Linux /dev/sdb2 126 748 5004247+ 83 Linux /dev/sdb4 749 30401 238187722+ 5 Extended /dev/sdb5 749 873 1004031 82 Linux swap / Solaris /dev/sdb6 874 30295 236332183+ 83 Linux ude:~#
ude~# fdisk /dev/sdb The number of cylinders for this disk is set to 38913. There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with: 1) software that runs at boot time (e.g., old versions of LILO) 2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK) Command (m for help): p Disk /dev/sdb: 320.0 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-38913, default 1): 1 Last cylinder or +size or +sizeM or +sizeK (1-38913, default 38913): 125 Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 2 First cylinder (126-38913, default 126): Using default value 126 Last cylinder or +size or +sizeM or +sizeK (126-38913, default 38913): 748 Command (m for help): n Command action e extended p primary partition (1-4) e Partition number (1-4): 4 First cylinder (749-38913, default 749): Using default value 749 Last cylinder or +size or +sizeM or +sizeK (749-38913, default 38913): Using default value 38913 Command (m for help): n Command action l logical (5 or over) p primary partition (1-4) l First cylinder (749-38913, default 749): Using default value 749 Last cylinder or +size or +sizeM or +sizeK (749-38913, default 38913): 873 Command (m for help): n Command action l logical (5 or over) p primary partition (1-4) l First cylinder (874-38913, default 874): Using default value 874 Last cylinder or +size or +sizeM or +sizeK (874-38913, default 38913): Using default value 38913 Command (m for help): p Disk /dev/sdb: 320.0 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 125 1004031 83 Linux /dev/sdb2 126 748 5004247+ 83 Linux /dev/sdb4 749 38913 306560362+ 5 Extended /dev/sdb5 749 873 1004031 83 Linux /dev/sdb6 874 38913 305556268+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. ude~#
sdb1 | ext3 |
sdb2 | xfs |
sdb6 | xfs |
ude~# mkfs.ext3 /dev/sdb1 mke2fs 1.27 (8-Mar-2002) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 125696 inodes, 251007 blocks 12550 blocks (5.00%) reserved for the super user First data block=0 8 block groups 32768 blocks per group, 32768 fragments per group 15712 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376 Writing inode tables: 0/81/82/83/84/85/86/87/8done Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 31 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. ude~# mkfs.xfs /dev/sdb2 meta-data=/dev/sdb2 isize=256 agcount=8, agsize=156383 blks = sectsz=512 data = bsize=4096 blocks=1251061, imaxpct=25 = sunit=0 swidth=0 blks, unwritten=1 naming =version 2 bsize=4096 log =internal log bsize=4096 blocks=2560, version=1 = sectsz=512 sunit=0 blks realtime =none extsz=65536 blocks=0, rtextents=0 ude~# mkfs.xfs /dev/sdb6 meta-data=/dev/sdb6 isize=256 agcount=37, agsize=1048576 blks = sectsz=512 data = bsize=4096 blocks=38266822, imaxpct=25 = sunit=0 swidth=0 blks, unwritten=1 naming =version 2 bsize=4096 log =internal log bsize=4096 blocks=18684, version=1 = sectsz=512 sunit=0 blks realtime =none extsz=65536 blocks=0, rtextents=0 ude~#
なんや、簡単やん。
シリアルコンソールいらんし。
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