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DTSTART;TZID=America/New_York:20241117T162500
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UID:submissions.supercomputing.org_SC24_sess736_ws_pdswwip106@linklings.co
 m
SUMMARY:Silent Errors to Scientific Applications: Impacts of PFS Metadata 
 Corruptions
DESCRIPTION:Saisha Kamat (University of North Carolina at Charlotte), Dong
  Dai (University of Delaware), Mai Zheng (Iowa State University), and Bo F
 ang (Pacific Northwest National Laboratory (PNNL))\n\nHigh-performance com
 puting (HPC) applications, such as Nyx, QMCPACK, and Montage, depend on pa
 rallel file systems (PFS) like Lustre, BeeGFS, and PVFS for reliable and e
 fficient data management and access. However, PFS can fail due to hardware
  faults, software bugs, or power outages. These failures are generally cat
 egorized as: fail-stop failures, which render the PFS unmountable or inacc
 essible; and partial failures, which compromise specific PFS components, a
 llowing the system to remain functional but potentially causing unnoticed 
 damage or silent errors. There have been lots of studies analyzing the dat
 a corruptions due to both fail-stop behaviors and partial failures. Howeve
 r, they ignore potentially more complicated corruption in special data are
 as, particularly the metadata area of parallel file systems, which is the 
 focus of this study.\n\nTag: Data Movement and Memory, I/O, Storage, Archi
 ve\n\nRegistration Category: Workshop Reg Pass\n\nSession Chairs: Suren By
 na (The Ohio State University, Lawrence Berkeley National Laboratory (LBNL
 )); Dean Hildebrand (Google LLC); Anthony Kougkas (Illinois Institute of T
 echnology, Argonne National Laboratory (ANL)); Jay Lofstead (Sandia Nation
 al Laboratories, University of New Mexico); and Bing Xie (Microsoft Corpor
 ation)\n\n
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