View the block size of Aix & Linux & amp; Windows operating systems

Oracle has db_block_size and the operating system also has block size. The following is a brief introduction.

AIX:

View the size of each block in the AIX operating system:

# Lsfs-q/u01

Name Nodename Mount Pt VFS Size Options Auto Accounting

/Dev/fslv00 --/u01 jfs2 50331648 rw yes no

(Lv size: 50331648, fs size: 50331648, block size: 4096, sparse files: yes, inline log: no, inline log size: 0, EAformat: v1, Quota: no, DMAPI: no, VIX: no)

Windows:

C: \ Documents ents and Settings \ Administrator> fsutil fsinfo ntfsinfo c:

NTFS Volume Serial Number: 0xfae82044e81ffe0f

Version: 3.1

Number Sectors: 0x0000000004ffffff

Total Clusters: 0x000000000000009fffff

Free Clusters: 0x00000000003ff408

Total Reserved: 0x0000000000000000

Bytes Per Sector: 512

Bytes Per Cluster: 4096

Bytes Per FileRecord Segment: 1024

Clusters Per FileRecord Segment: 0

Mft Valid Data Length: 0x000000000fac8000

Mft Start Lcn: 0x00000000000c0000

Mft2 Start Lcn: 0x0000000000000010

Mft Zone Start: 0x00000000000cfac0

Mft Zone End: 0x0000000000200000

Linux:

Root@www.bkjia.com ~ # Tune2fs-l/dev/sda1

Tune2fs 1.39 (29-may-2006)

Filesystem volume name :/

Last mounted on: <not available>

Filesystem UUID: 05b4b85c-eb01-4d22-b011-1167b910010b

Filesystem magic number: 0xEF53

Filesystem revision #: 1 (dynamic)

Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file

Default mount options: user_xattr acl

Filesystem state: clean

Errors behavior: Continue

Filesystem OS type: Linux

Inode count: 5124480

Block count: 5120710

Reserved block count: 256035

Free blocks: 4312881

Free inodes: 5006108

First block: 0

Block size: 4096

Fragment size: 4096

Reservedgdt blocks: 1022

Blocks per group: 32768

Fragments per group: 32768

Inodes per group: 32640

Inode blocks per group: 1020

Filesystem created: Mon Dec 13 22:20:57 2010

Last mount time: Thu Feb 10 08:39:51 2011

Last write time: Thu Feb 10 08:39:51 2011

Mount count: 18

Maximum mount count:-1

Last checked: Mon Dec 13 22:20:57 2010

Check interval: 0 (<none>)

Reserved blocks uid: 0 (user root)

Reserved blocks gid: 0 (group root)

First inode: 11

Inode size: 128

Journal inode: 8

First orpha inode: 2872327

Default directory hash: tea

Directory Hash Seed: 3f80d852-e54e-4a21-8142-b3e30299fdd2

Journal backup: inode blocks