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guide:lustre [2020/04/30 10:42] kevin |
guide:lustre [2020/04/30 17:16] kevin |
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======The Lustre Parallel File System====== | ======The Lustre Parallel File System====== | ||
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=====Lustre on Lengau===== | =====Lustre on Lengau===== | ||
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+ | Lengau has 16 OSSs arranged in pairs. There are 96 OSTs connected to the 8 pairs. Each OST has an approx. capacity of 43GiB giving a total Lustre storage of 4PiB. Each OSS pair connects to 12 OSTs. Should one OSS in a pair succumb, the other still retains access to all 12 OSTs. | ||
=====Lustre tools===== | =====Lustre tools===== | ||
- | The main tool for information on the files and directories of a Lustre file system is ''lfs''. | + | The main tool for displaying information on the files and directories of a Lustre file system is ''lfs''. |
====Searching==== | ====Searching==== | ||
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To change the default striping applied to files in a sub-directory to 2 (and only applied to files larger than 1G) | To change the default striping applied to files in a sub-directory to 2 (and only applied to files larger than 1G) | ||
- | lfs setstripe -c 2 -s 1g <dirname> | + | lfs setstripe -c 2 -s 1G <dirname> |
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+ | > Check this. | ||