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又二了……
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xliang9550
deepin
2015-04-21 06:16
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归档备份数据,其实用个高速U盘或者移动硬盘就满好了。
我还是采取了折腾式方法,直接用tar在U盘上打包。
先安装了exfat-fuse和exfat-utils,然后将U盘格式化为exfat:
sudo umount /dev/sdb
mkfs -t exfat /dev/sdb
然后开始漫长的打包过程:
XZ_OPT=-0v tar Jcfv /U盘挂载点/压缩包.tar.xz /要备份的路径
虽然设置了快速压缩,不过处理速度仍然只有4MB/s,而我的U盘写入速度远远不止,平时测试至少有20MB/s。
(直接copy可能都比这个快,虽然小文件很多)
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136******54
deepin
2015-04-21 17:18
#1
生命不息,折腾不止
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lcw0268
deepin
2015-04-21 22:10
#2
It has been deleted!
xliang9550
deepin
2015-04-23 02:41
#3
测试了一下U盘的读写性能,采用exfat的话是100MB读,40MB写……
还得继续寻找快速压缩的工具,xz并不适合。
之前发掘的lzip如何?
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我还是采取了折腾式方法,直接用tar在U盘上打包。
先安装了exfat-fuse和exfat-utils,然后将U盘格式化为exfat:
sudo umount /dev/sdb
mkfs -t exfat /dev/sdb
然后开始漫长的打包过程:
XZ_OPT=-0v tar Jcfv /U盘挂载点/压缩包.tar.xz /要备份的路径
虽然设置了快速压缩,不过处理速度仍然只有4MB/s,而我的U盘写入速度远远不止,平时测试至少有20MB/s。
(直接copy可能都比这个快,虽然小文件很多)