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All cluster logins from outside the HMS network require two-factor authentication. For more details, please reference Two Factor Authentication on O2 and Two Factor Authentication FAQ. Please contact us if you are having trouble with two-factor authentication on O2. 

Please do NOT send us or anyone else your password. Ever. We can assist you without knowing your password, and sharing accounts on the cluster is prohibited by Harvard security policy.

If you're having difficulty logging in to O2, make sure you're using your HMS account (in lowercase) and HMS account password to log in. If that does not resolve the problem, you can reset your HMS account password. Contact the HMS IT Service Desk (itservicedesk@hms.harvard.edu, or 617-432-2000) if you're unable to login to the HMS account management website. Your HMS account may have been locked due to too many failed login attempts to the O2 cluster. Once you are able to login to the HMS account management site, wait 1 hour and try logging in to O2 again. If you're still facing problems, then send in a ticket to us.

Files, Storage, Quotas

Where can I put my data?

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It is important to know that your HMS ID account (formerly known as eCommons) is not the same as your SLURM account. To check which SLURM accounts are associated with your HMS ID, you use the $ share -Uu <HMS_ID>$USER command. In the following For example, the following user ab123 is associated with two SLURM accounts, rccg and lab1.

$ sshare -Uu ab123$USER
             Account       User  RawShares  NormShares    RawUsage  EffectvUsage  FairShare
-------------------- ---------- ---------- ----------- ----------- ------------- ----------
rccg                     ab123          1    0.000241           0      0.000000   1.000000
lab1                     ab123          1    0.000241       21252      0.000066   0.968913

If ab123 the user wants to submit jobs using the lab1 SLURM account, then

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