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decom: Fix listing quorum to be equal to deletion quorum (#18476)

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With an odd number of drives per erasure set setup, the write/quorum is
the half + 1; however the decommissioning listing will still list those
objects and does not consider those as stale.

Fix it by using (N+1)/2 formula.

Co-authored-by: Anis Elleuch <anis@min.io>
This commit is contained in:
Anis Eleuch 2023-11-17 21:09:09 -08:00 committed by GitHub
parent 1bb7a2a295
commit 8317557f70
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1 changed files with 5 additions and 3 deletions
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8
cmd/erasure-server-pool-decom.go
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@ -701,10 +701,12 @@ func (set *erasureObjects) listObjectsToDecommission(ctx context.Context, bi dec
return fmt.Errorf("no online drives found for set with endpoints %s", set.getEndpoints())
}
listQuorum := (len(disks) + 1) / 2
// How to resolve partial results.
resolver := metadataResolutionParams{
dirQuorum: len(disks) / 2, // make sure to capture all quorum ratios
objQuorum: len(disks) / 2, // make sure to capture all quorum ratios
dirQuorum: listQuorum, // make sure to capture all quorum ratios
objQuorum: listQuorum, // make sure to capture all quorum ratios
bucket: bi.Name,
}
@ -714,7 +716,7 @@ func (set *erasureObjects) listObjectsToDecommission(ctx context.Context, bi dec
path: bi.Prefix,
recursive: true,
forwardTo: "",
minDisks: len(disks) / 2, // to capture all quorum ratios
minDisks: len(disks) / 2,
reportNotFound: false,
agreed: fn,
partial: func(entries metaCacheEntries, _ []error) {