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cluster:eos [2019/02/13 10:44] – created bernet | cluster:eos [2022/01/20 10:40] (current) – bernet | ||
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This is a quick tutorial for EOS. | This is a quick tutorial for EOS. | ||
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+ | \\ | ||
==== EOS ==== | ==== EOS ==== | ||
- | EOS is an open-source storage | + | EOS is a software solution |
==== EOS Command ==== | ==== EOS Command ==== | ||
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* EOS Kerberos Ticket \\ To access the storage, you need a CERN Kerberos ticket. Create such a ticket with the following command:\\ '' | * EOS Kerberos Ticket \\ To access the storage, you need a CERN Kerberos ticket. Create such a ticket with the following command:\\ '' | ||
- | |||
* EOS commands are often very similar to Unix (for example ls --> eos ls).\\ e.g. | * EOS commands are often very similar to Unix (for example ls --> eos ls).\\ e.g. | ||
* ''< | * ''< | ||
* ''< | * ''< | ||
+ | | ||
+ | * EOS commands including management server: \\ You don't need to define a default EOS instance, you can add it to the eos command:\\ ''< | ||
+ | |||
+ | * EOS command list: \\ A list of all EOS commands is given with '' | ||
- | * EOS commands including management server: | ||
- | * You don't need to define a default EOS instance, you can add it to the eos command:\\ e.g. | ||
- | ''< | ||
- | | ||
==== EOS Fuse Mount ==== | ==== EOS Fuse Mount ==== | ||
+ | On our cluster all of the EOS instances are also mounted with fuse, so they look like normal file systems to you and you can use standard linux commands. There is no need to use the '' | ||
+ | * eoscms --> ''/ | ||
+ | * eoslhcb --> ''/ | ||
+ | * eosuser --> ''/ | ||
+ | * ... | ||
+ | To access these file systems, you need to have a CERN Kerberos ticket as for the EOS commands, but in addition you need to pass the ticket to the fuse system with the command '' | ||
+ | |||
+ | ==== XRootD Copy Command ==== | ||
+ | EOS commands and Linux commands in the EOS file system are not very resource efficient. If you need to transfer large amount of data, use the '' | ||
+ | * ''< | ||
+ | * ''< | ||