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General directives for migration: Difference between revisions
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If you are in any doubt about details of the following advice, contact [ | If you are in any doubt about details of the following advice, contact our [[Technical support]] for help. | ||
== What to do before the migration starts? == <!--T:3--> | == What to do before the migration starts? == <!--T:3--> | ||
Make sure you know whether you are responsible for your own data migration, or whether Compute Canada staff will be migrating your data. Migration of certain legacy systems like [[Migration2016:Silo|Silo]] is being handled by staff. If you are in any doubt, | Make sure you know whether you are responsible for your own data migration, or whether Compute Canada staff will be migrating your data. Migration of certain legacy systems like [[Migration2016:Silo|Silo]] is being handled by staff. If you are in any doubt, contact our [[Technical support]]. | ||
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If Globus is not supported at your source site, then the advice to compress data and avoid duplication is even more important. If you must use one of [https://en.wikipedia.org/wiki/Secure_copy scp], [https://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol sftp], or [https://en.wikipedia.org/wiki/Rsync rsync], then: | If Globus is not supported at your source site, then the advice to compress data and avoid duplication is even more important. If you must use one of [https://en.wikipedia.org/wiki/Secure_copy scp], [https://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol sftp], or [https://en.wikipedia.org/wiki/Rsync rsync], then: | ||
* Make a schedule to migrate your data in blocks of a few hundred GB at a time. If the transfer stops for any reason you will be able to try again starting from the incomplete file, but you will not have to re-transfer files that are already complete. An organized list of files will help here. | * Make a schedule to migrate your data in blocks of a few hundred GB at a time. If the transfer stops for any reason you will be able to try again starting from the incomplete file, but you will not have to re-transfer files that are already complete. An organized list of files will help here. | ||
* Check regularly to see that the transfer process has not stopped. File size is a good indicator of progress. If no files have changed size for several minutes, then something may have gone wrong. If restarting the transfer does not work, contact [ | * Check regularly to see that the transfer process has not stopped. File size is a good indicator of progress. If no files have changed size for several minutes, then something may have gone wrong. If restarting the transfer does not work, contact our [[Technical support]]. | ||
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== Where and how to get help? == <!--T:16--> | == Where and how to get help? == <!--T:16--> | ||
* To know how to use different archiving and compression utilities, use the Linux command like <code>man <command></code> or <code><command> --help</code>. | * To know how to use different archiving and compression utilities, use the Linux command like <code>man <command></code> or <code><command> --help</code>. | ||
* | * Contact our [[Technical support]] | ||
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