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## lvmcache_on_centos6.md

      
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                / lvmcache_on_centos6.md
            
            
              Created
              November 22, 2017 07:48
                — forked from archsh/lvmcache_on_centos6.md
            
              
                Using lvmcache on CentOS6
              
          
    目标


使用SSD加速系统IO；
通过LVMCACHE来将SSD作为HDD的CACHE使用；

确认安装版本是否支持lvmcache：

lvm 命令

[root@localhost mnt]# lvm segtypes

（看输出里面有cache，cache-pool即表示支持了）

  
## bcache-status
#!/usr/bin/env python
#
# Dumb script to dump (some) of bcache status
# Copyright 2013 Darrick J. Wong. All rights reserved.
#
# This file is part of Bcache.  Bcache is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
	#!/usr/bin/env python
	#
	# Dumb script to dump (some) of bcache status
	# Copyright 2013 Darrick J. Wong. All rights reserved.
	#
	# This file is part of Bcache. Bcache is free software: you can
	# redistribute it and/or modify it under the terms of the GNU General Public
	# License as published by the Free Software Foundation, version 2.
	#
	# This program is distributed in the hope that it will be useful, but WITHOUT