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LOCATION:Track 6
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UID:submissions.supercomputing.org_SC20_sess322_exforum112@linklings.com
SUMMARY:Rethinking Tiering with a Focus on Performance Rather than Just Co
 st
DESCRIPTION:Exhibitor Forum\n\nRethinking Tiering with a Focus on Performa
 nce Rather than Just Cost\n\nAnderson\n\nCurrent HPC storage tiering archi
 tectures are all about managing costs rather than optimizing overall perfo
 rmance.  We will explore a new single-tier architecture from Panasas with 
 the same total SSD and HDD capacities as a typical tiered environment but 
 that, by some measures, results in a 6x better price to performance ratio.
   The building blocks are the same but the architecture results in better 
 performance.\n\nHere’s an example of some insights from the work. Assume a
  10PB effective capacity cold tier using triple replication that is made u
 p of 3000 HDDs of 10TB each.  Each HDD can deliver over 150MB/s when doing
  sequential transfers.  That cold tier hardware can deliver half a TB per 
 second, if used effectively.  The challenges are that cold tier HDDs are n
 ot directly accessible to the application, and conventional wisdom offers 
 no way of ensuring they see only large sequential transfers.  This work de
 scribes how those issues can be overcome.\n\nTag: Storage\n\nRegistration 
 Category: Exhibits Reg Pass
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