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doku:binf_nodes [2017/07/06 12:17] – sreinwal | doku:binf_nodes [2017/08/22 10:07] – Fixed $ issue sreinwal | ||
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</ | </ | ||
- | Please note that one has to include the --mount=/ | + | Please note that one has to include the --mount=/ |
Additional info on BeeGFS quotas can be found [[https:// | Additional info on BeeGFS quotas can be found [[https:// | ||
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==== Available filesystems ==== | ==== Available filesystems ==== | ||
- | The binf nodes export 2 mountpoints which are $BINFS (/binfs) and $BINFL (/binfl). The BINFS filesystem is more than twice as fast as the BINFL filesystem and even a magnitude faster then the $GLOBAL filesystem. If you need really high IO rates you should use the BINFS filesystem. | + | The binf nodes export 2 mountpoints which are '' |
- | If you need much space then you should use the BINFL filesystem, which is 10 times larger than BINFS. | + | If you need much space then you should use the '' |
- | Please keep in mind that BINFS has no redundancy and is seen as fast scratch space. A hardware defect can (and most probably will, and already has) lead to a situation where the whole file systems gets reinitialised, | + | Please keep in mind that '' |
==== Submitting Jobs ==== | ==== Submitting Jobs ==== | ||
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to get in the priority queue, which has a maximum runtime of 72 hours. | to get in the priority queue, which has a maximum runtime of 72 hours. | ||
- | If you just want to utilise the filesystems you can use the $BINFS/ | + | If you just want to utilise the filesystems you can use the '' |
=== Using high memory nodes === | === Using high memory nodes === | ||
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==== Pitfalls ==== | ==== Pitfalls ==== | ||
- | * Distributed file systems do not perform well when it comes to random I/O. If you need to do random I/O it would be best to first copy your data into the main memory of the node that is working on the data and do the random I/O in the main memory. To accomplish this you could either use the $TMP filesystem or use the [[http:// | + | * Distributed file systems do not perform well when it comes to random I/O. If you need to do random I/O it would be best to first copy your data into the main memory of the node that is working on the data and do the random I/O in the main memory. To accomplish this you could either use the '' |