DAOS-18579 vos: reserve_space() include NVMe info in ERR log#17764
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DAOS-18579 vos: reserve_space() include NVMe info in ERR log#17764
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Ticket title is 'Soak Harasser: Rebuild failed after one pool drain on rank 8: status: -1007 (DER_NOSPACE)' |
When vos_reserve_blocks() fails, in addition to the allocation request size, include additional information about NVMe space: free, total, and system-reserved bytes. Signed-off-by: Kenneth Cain <kenneth.cain@hpe.com>
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so if we get a rebuild -DER_NOSPACE failure, we can see what the initial space pressure conditions were. Also, choose what engine to drain based on which one has the least amount of (aggregate, across all of its targets) free NVMe space available, compared to all pool engines. Signed-off-by: Kenneth Cain <kenneth.cain@hpe.com>
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When vos_reserve_blocks() fails, in addition to the allocation request size, include additional information about NVMe space: free, total, and system-reserved bytes.
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