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GIMI iRODS Use Cases - Preparation

GIMI iRODS Use Cases - Preparation. Create an account for user: shuang iadmin mkuser shuang user_type Assign user to a group iadmin atg groupName shuang Admin can assign password to user (also supports GSI/Kerberos) iadmin moduser shuang password xxx A lot of other things can be done:

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GIMI iRODS Use Cases - Preparation

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  1. GIMI iRODS Use Cases - Preparation • Create an account for user: shuang • iadminmkusershuanguser_type • Assign user to a group • iadminatggroupNameshuang • Admin can assign password to user (also supports GSI/Kerberos) • iadminmodusershuang password xxx • A lot of other things can be done: • iadmin –h • Create an iRODS directory for the user OML measurement data • imkdir results

  2. GIMI iRODS Use Case 1 • Perform an OML-based measurement, result is saved in a file (a.sqlite3) under /home/shuang/results • Put the file into iRODS • iput a.sqlite3 (suppose ipwd is /geniRenci/home/shuang/results) • Work on the local copy under /home/shuang/results • Push the modified file back into iRODS (think it as a version control system) • Irsync –r /home/shuang/result i:/geniRenci/home/shuang/results

  3. GIMI iRODS Use Case 2 • Check out a file in iRODS to my local directory • iget a.sqlite3 • Work on the local copy • Push the modified file back into iRODS • irsync a.sqlite3 i:a.sqlite3

  4. GIMI iRODS Use Case 3 • Suppose there are many files under /home/shuang/data that need to be copied into iRODS, we can mount the local directory directly into iRODS • imkdir /geniRenci/home/shuang/mountpoint • imcoll –mfilesystem /home/shuang/data /geniRenci/home/shuang/mountpoint • Work on the local files • Sync with iRODS • Irsync –r /home/shuang/data i:/geniRenci/home/shuang/mountpoint

  5. GIMI iRODS Use Case 4 • Data processing – e.g. filtering files under /geniRenci/home/shuang • Write a rule called filter.r which filters files and save them under /geniRenci/home/shuang/filtered • irule –F filter.r “*Path=‘/geniRenci/home/shuang’”

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