"Ubuntu" fdisk mkfs fstab

Fdisk-l

[Email protected]:/# fdisk-l

disk/dev/sda:2000.4 GB, 2000398934016 bytes

255 heads, Sectors/track, 243201 cylinders, total 3907029168 sectors

Units = Sector of 1 * bytes

Sector size (logical/physical): bytes/512 bytes

I/O size (minimum/optimal): bytes/512 bytes

Disk IDENTIFIER:0X00071C40

Device Start point end block number Id system

/DEV/SDA1 * 2048 3781251071 1890624512 Linux

/dev/sda2 3781253118 3907028991 62887937 5 extension

/dev/sda5 3781253120 3907028991 62887936, Linux switching/Solaris

disk/dev/sdb:3000.6 GB, 3000592982016 bytes

255 heads, Sectors/track, 364801 cylinders, total 5860533168 sectors

Units = Sector of 1 * bytes

Sector size (logical/physical): bytes/512 bytes

I/O size (minimum/optimal): bytes/512 bytes

Disk identifier:0x00000000

Disk/dev/sdb doesn ' t contain a valid partition table

Fdisk/dev/sdb

[Email protected]:/# fdisk/dev/sdb

Device contains neither a valid DOS partition table, nor Sun, SGI or OSF Disklabel

Building a new DOS disklabel with disk identifier 0X2C2A1FD8.

Changes'll remain in memory only, until the decide to write them.

After that, of course, the previous content won ' t is recoverable.

Warning:invalid flag 0x0000 of partition Table 4 would be a corrected by W (rite)

Warning:the size of this disk is 3.0 TB (3000592982016 bytes).

DOS partition table format can is used on drives for volumes

Larger than (2199023255040 bytes) for 512-byte sectors. Use parted (1) and GUID

Partition table Format (GPT).

Command (enter M for help): P

disk/dev/sdb:3000.6 GB, 3000592982016 bytes

255 heads, Sectors/track, 364801 cylinders, total 5860533168 sectors

Units = Sector of 1 * bytes

Sector size (logical/physical): bytes/512 bytes

I/O size (minimum/optimal): bytes/512 bytes

Disk Identifier:0x2c2a1fd8

Device Start point end block number Id system

Command (enter M for help): D

No partition is defined yet!

Command (enter M for help): N

Partition Type:

P Primary (0 primary, 0 extended, 4 free)

E Extended

Select (default p): P

Partition code (1-4, default = 1): 1

Starting sector (2048-4294967295, default = 2048):

The default value of 2048 will be used

Last sector, + sector or +size{k,m,g} (2048-4294967294, default = 4294967294):

The default value of 4294967294 will be used

Command (enter M for help): W

The partition table has been altered!

Calling IOCTL () to re-read partition table.

Syncing disks.

[Email protected]:/#

Mkfs.ext4/dev/sdb1

[Email protected]:/# mkfs.ext4/dev/sdb1

MKE2FS 1.42.9 (4-feb-2014)

File System label =

OS Type:linux

Block size =4096 (log=2)

Chunked size =4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

134217728 inodes, 536870655 blocks

26843532 blocks (5.00%) reserved for the Super user

First block of data =0

Maximum filesystem blocks=4294967296

16384 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, 11239424, 20480000, 23887872, 71663616, 78675968,

102400000, 214990848, 512000000

Allocating group tables: complete

Writing Inode table: complete

Creating Journal (32768 blocks): complete

Writing Superblocks and FileSystem accounting information: Complete

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Vi/etc/fstab

# This is another PHY disk

/dev/sdb1/mnt/data1 ext4 defaults 0 0

# Swap was on/dev/sda5 during installation

UUID =8ea4b4d6-cc01-4bc5-be5d-045538cf0891 None swap SW 0 0

This article is from the "Huang Chao It Notes" blog, so be sure to keep this source http://huangchao.blog.51cto.com/10446378/1682801

"Ubuntu" fdisk mkfs fstab