Parameter
Description
Value
Application
Scenario
Application scenarios of file
systems.
l
VM: File systems apply to
VMs. After this scenario is
selected, the system will set
the block size of file systems
to 8 KB, and automatically
adjust system resources to
adapt to this scenario.
l
Database: File systems apply
to databases. You are advised
to use full-SSDs for storage
pools to which file systems
belong and enable the data
compression function.
–
When storage pools to
which file systems belong
use full-SSDs, the system
will set the size of a file
system block to 16 KB and
enable the data
compression function by
default. If you choose
Advanced
>
Tuning
and
disable the data
compression function, the
system will set the size of
a file system block to 8
KB. In this scenario, you
are advised to enable the
data compression function.
–
When storage pools to
which file systems belong
do not use full-SSDs, the
system will set the size of
a file system block to 8
KB and disable the data
compression function by
default. If you choose
Advanced
>
Tuning
and
disable the data
compression function, the
system will still set the
size of a file system block
to 8 KB. In this scenario,
you are advised not to
enable the data
compression function.
[Value range]
The value can be
VM
,
Database
,
or
User-defined
.
[Example]
User-defined
OceanStor V3 Series
HyperMetro Feature Guide for File
4 Configuration
Issue 05 (2018-01-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
98