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Using nearline storage: Difference between revisions
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While [[Transferring_data|transferring data]] with [[Globus]] or any other tool, the data that was on tape gets automatically restored on disk upon reading it. Since tape access is relatively slow, each file restoration can hang the transfer for a few seconds to a few minutes. Therefore, users should expect longer transfer times from Nearline. | While [[Transferring_data|transferring data]] with [[Globus]] or any other tool, the data that was on tape gets automatically restored on disk upon reading it. Since tape access is relatively slow, each file restoration can hang the transfer for a few seconds to a few minutes. Therefore, users should expect longer transfer times from Nearline. | ||
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For an overview of the state of all files saved on Nearline, '''some clusters''' support the following command: | For an overview of the state of all files saved on Nearline, '''some clusters''' support the following command: | ||
{{Command|diskusage_report --nearline --per_user --all_users}} | {{Command|diskusage_report --nearline --per_user --all_users}} | ||
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The different <code>Location</code>'s are: | The different <code>Location</code>'s are: | ||
* <code>On disk and tape</code>: this data is available on disk. | * <code>On disk and tape</code>: this data is available on disk. | ||
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</tab> | </tab> | ||
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<tab name="Narval"> | <tab name="Narval"> | ||
/nearline service similar to that on Béluga. | /nearline service similar to that on Béluga. | ||
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</tab> | </tab> | ||
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</tabs> | </tabs> | ||
</translate> | </translate> | ||