[Lustre-discuss] MDT disk size consideration

Jiawei Zhao jiaweizh at ustc.edu.cn
Thu Aug 20 00:38:32 PDT 2009


Hi All,

I am wondering if there is some guild lines for MDT disk size. We plan  
to build a rather small luster cluster with about 200TB disk space,  
served by about 20 OSS with about 40 (or more) OSTs. The file sizes  
stored on it will be around 1GB in average. Will a MDT disk with 100 -  
200 GB size big enough for it? What is the biggest MDT disk size  
allowed?

Best Regards,
Jiawei

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