<!-- keep this as a security measure: #uncomment if the subject should only be modifiable by the listed groups # * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup,Main.CMSAdminGroup # * Set ALLOWTOPICRENAME = Main.TWikiAdminGroup,Main.CMSAdminGroup #uncomment this if you want the page only be viewable by the listed groups # * Set ALLOWTOPICVIEW = Main.TWikiAdminGroup,Main.CMSAdminGroup,Main.CMSAdminReaderGroup --> ---+ How to retrieve your corrupted or deleted =/shome= files A T3 user can *independently* retrieve a corrupted or deleted =/shome= file by looking into his/her own snapshots of =/shome= ; for instance : <pre> $ cd /shome/$USER/%BLUE%.zfs/snapshot%ENDCOLOR% [martinelli_f@t3ui01 ~]$ cd /shome/$USER/.zfs/snapshot [martinelli_f@t3ui01 snapshot]$ ls -la total 0 dr-xr-xr-x 2 root root 2 Dec 10 18:01 . dr-xr-xr-x 1 root root 0 Oct 27 14:22 .. dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-day-20161207-011142 <-- Max 5 past days dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-day-20161208-014735 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-day-20161208-161224 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-day-20161209-011126 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-day-20161210-012819 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-070101 <-- Max 36 past hours dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-080101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-090101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-100101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-110101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-120102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-130101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-140101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-150102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-160102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-170102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-180101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-190101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-200101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-210101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-220101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161209-230102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-000101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-010101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-020101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-030102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-042410 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-050101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-060101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-070102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-080101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-090101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-100102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-110101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-120101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-130102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-140102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-150102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-160102 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-170101 dr-xr-xr-x 1 root root 0 Dec 10 18:44 zfssnap-hour-20161210-180101 </pre> Choose a snapshot dir, enter inside of it by =cd= and copy back in =/shome/$USER/= what you need by an ordinary =cp= command *Be aware that all your files deleted but still referenced in your snapshots will affect your =/shome= space quota*, that's 400GB lately ; it's a rare event to run over quota because of your snapshots and that actually means that you're frequently adding/removing big files in your =/shome=, while you have to use the UI =/scratch= or the =/pnfs= areas for that purpose ! Your present/past =/shome= usage is published here : http://t3mon.psi.ch/ganglia/PSIT3-custom/space.report
This topic: CmsTier3
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HowToRetrieveBackupFiles
Topic revision: r11 - 2016-12-10 - FabioMartinelli
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