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Use of raw and lvm-based raw in linux

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Author: User
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The usage of raw and lvm-based raw in linux-General Linux technology-Linux technology and application information. For more information, see the following. Usage of raw device in linux

# Fdisk/dev/sdb
Raw/dev/raw/raw1/dev/sdb1
Raw/dev/raw/raw2/dev/sdb2
...
To bind to RAWn at each startup, perform the following operations:

Vi/etc/sysconfig/rawdevices
/Dev/raw/raw1/dev/sdb1
/Dev/raw/raw2/dev/sdb2

Usage of lvm-based raw device in linux

Lvcreate-L 2000 M-n lv_user_01 vg_db
Lvcreate-L 2000 M-n lv_user_02 vg_db
...
Raw/dev/raw/raw1/dev/vg_db/lv_user_01
Raw/dev/raw/raw2/dev/vg_db/lv_user_02

To bind to RAWn at each startup, perform the following operations:

Vi/etc/rc. d/rc. local
Raw/dev/raw/raw1/dev/vg_db/lv_user_01
Raw/dev/raw/raw2/dev/vg_db/lv_user_02

That is to say, after the basic lvm raw is restarted, the method for binding to raw is slightly different.

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