1. HPSS Update Jason Hick Mass Storage Group Jhick@lbl.gov NERSC User Group Meeting September 17, 2007

2. NERSC User Group Meeting, September 17, 2007 1 HPSS Overview 8 x 9310 STK Powderhorns Backup HPSS –15 x 9840 tape drives –12 x 9940B tape drives –16 x T10K tape drives –24 TB of disk User HPSS –24 x 9840 tape drives –26 x 9940B tape drives –27 TB of disk User transfers go to disk

3. NERSC User Group Meeting, September 17, 2007 2 Hardware upgrades - bandwidth & capacity improvements HPSS Backup/Regent system –16ea 4Gb T10K drives 500 GB/cart, 120 MB/s –4Gb DDN 9500 17 TB, 380 MB/s HPSS User/Archive system –4Gb DDN 9500 8 TB, 380 MB/s Both systems –upgraded several mover machines –upgrading HPSS metadata disk

4. NERSC User Group Meeting, September 17, 2007 3 Software upgrades - availability improvements NGF-HPSS integration is still in development and several years away from production Upgrading HPSS from version 5.1 to 6.2 –eliminates our dependence on DCE –reduces need to take frequent planned outages –new HPSS account/password management process no more ssh to auth.nersc.gov working to integrate with NIM continue to allow regular ftp access with encrypted string in.netrc file password expiration –non-HPSS specific password, but would expire –HPSS specific password, would not have to expire Email: jhick@lbl.gov or contact NERSC user services if HPSS password expiration would present significant challenges to you/your project.jhick@lbl.gov