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  • darshan
  • darshan
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  • #270

Closed
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Created Apr 02, 2020 by Shane Snyder@ssnyderOwner

warnings/crashes in newer Lustre versions related to use of ioctls

Darshan's Lustre module uses ioctl to determine striping information for files, but this ability has been deprecated in newer Lustre versions, leading to warnings like:

using old ioctl(LL_IOC_LOV_GETSTRIPE) on [0x2c002048c:0x25:0x0], use llapi_layout_get_by_path()

Another user has reported crashes if the Lustre module is not disabled, using Lustre version 2.11.0.300_cray_102_g3dbace1.

We should look at using the suggested API for retrieving this info, and confirm its overhead.

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