Difference between revisions of "Block size"

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{{Draft}}
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[[wikipedia:Block (data storage)|Block size]]
 
 
  
 
  [[blockdev]] --getbsz /dev/sda11
 
  [[blockdev]] --getbsz /dev/sda11
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  [[tune2fs]] -l /path/to/device | grep "[[Block]] size"
 
  [[tune2fs]] -l /path/to/device | grep "[[Block]] size"
  
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blockdev --rereadpt /dev/sdaaa
  
  
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<code>Bytes Per Cluster</code> is the equivalent of the allocation unit.
 
<code>Bytes Per Cluster</code> is the equivalent of the allocation unit.
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 +
== PostgreSQL ==
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* <code>[[show block_size]]</code>
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* <code>[[select]] [[current_setting]]('block_size');</code>
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== Related terms ==
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* [[Reservation percentage]]
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* [[Block]]
  
 
== See also ==
 
== See also ==
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* {{fdisk}}
 
* {{files}}
 
* {{files}}
 
* {{filesystems}}
 
* {{filesystems}}

Latest revision as of 22:51, 31 October 2021

Block size

blockdev --getbsz /dev/sda11
4096
blockdev --getsize64 '/dev/sda'
tune2fs -l /path/to/device | grep "Block size"
blockdev --rereadpt /dev/sdaaa


Windows: fsutil fsinfo ntfsinfo [your drive]
fsutil fsinfo ntfsinfo C:
NTFS Volume Serial Number :        0x3a32d3ff32d3de55 
NTFS Version   :                   3.1
LFS Version    :                   1.1
Number Sectors :                   0x000000004af04fff
Total Clusters :                   0x00000000095e09ff
Free Clusters  :                   0x0000000008e1334d
Total Reserved :                   0x0000000000001824
Bytes Per Sector  :                512
Bytes Per Physical Sector :        512
Bytes Per Cluster :                4096
Bytes Per FileRecord Segment    :  1024
Clusters Per FileRecord Segment :  0
Mft Valid Data Length :            0x000000000d8c0000
Mft Start Lcn  :                   0x00000000000c0000
Mft2 Start Lcn :                   0x0000000000000002
Mft Zone Start :                   0x0000000000506840
Mft Zone End   :                   0x0000000000513060
Max Device Trim Extent Count :     0
Max Device Trim Byte Count :       0x0
Max Volume Trim Extent Count :     62
Max Volume Trim Byte Count :       0x40000000
Resource Manager Identifier :     9D21DA68-6D41-11EA-8D5C-B54A0A7FDTXT

Bytes Per Cluster is the equivalent of the allocation unit.

PostgreSQL[edit]

Related terms[edit]

See also[edit]

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