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Using nearline storage: Difference between revisions
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If you are using <code>dar</code>, you can similarly use the <code>-s (--slice)</code> option. | If you are using <code>dar</code>, you can similarly use the <code>-s (--slice)</code> option. | ||
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When you bundle files, such as with tar, it becomes inconvenient to find individual files. Instead of restoring large collections from tape, you may wish to construct an index as soon as you create the collection. For instance, if you create a tar like this: | When you bundle files, such as with tar, it becomes inconvenient to find individual files. Instead of restoring large collections from tape, you may wish to construct an index as soon as you create the collection. For instance, if you create a tar like this: | ||
tar cvvf /nearline/def-sponsor/user/mycollection.tar /project/def-sponsor/user/something > /nearline/def-sponsor/user/mycollection.index | <!--T:49--> | ||
tar cvvf /nearline/def-sponsor/user/mycollection.tar /project/def-sponsor/user/something > /nearline/def-sponsor/user/mycollection.index | |||
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or for an existing tar: | or for an existing tar: | ||
tar tvvf /nearline/def-sponsor/user/mycollection.tar > /nearline/def-sponsor/user/mycollection.index | <!--T:51--> | ||
tar tvvf /nearline/def-sponsor/user/mycollection.tar > /nearline/def-sponsor/user/mycollection.index | |||
==== No access from compute nodes ==== <!--T:40--> | ==== No access from compute nodes ==== <!--T:40--> | ||