Huawei OceanStor 2000 V3 Series Features Manual page 107

OceanStor V3 Series
HyperMetro Feature Guide for File
Parameter
File System Block
Size
Issue 05 (2018-01-30)
Description
l User-defined: In this scenario,
users need to manually
specify the block size of file
systems.
If Application Scenario is set to
User Defined, this parameter
needs to be specified.
Data in the file system consists of
fixed-length disk blocks. The size
of the blocks (also known as file
system block size) affects disk
space usage and performance.
You are advised to use the block
size following the principles
below.
l Select 4 KB when the size of
most files in the file system is
smaller than 100 KB.
l Select 8 KB when the size of
most files in the file system is
between 100 KB and 1 MB.
l Select 16 KB when the size of
most files in the file system is
between 1 MB and 100 MB.
l Select 32 KB when the size of
most files in the file system is
between 100 MB and 1 GB.
l Select 64 KB when the size of
most files in the file system is
larger than 1 GB, the file
system mainly processes
bandwidth-consuming large
I/Os (in scenarios such as
M&E industry, and archive
and backup of large files), or
the file size and scenarios are
not specified.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Configuration
Value
[Value range]
The value can be 4KB, 8KB,
16KB, 32KB, or 64KB.
[Example]
64KB
99