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add crash protection from backend modifications (#16846)

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Harshavardhana
2023-03-20 09:08:42 -07:00
committed by GitHub
parent 3b5dbf9046
commit 6c11dbffd5
6 changed files with 61 additions and 29 deletions
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7
cmd/erasure-object.go
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@@ -658,6 +658,13 @@ func (er erasureObjects) getObjectFileInfo(ctx context.Context, bucket, object s
return fi, nil, nil, err
}
if !fi.Deleted && len(fi.Erasure.Distribution) != len(onlineDisks) {
err := fmt.Errorf("unexpected file distribution (%v) from online disks (%v), looks like backend disks have been manually modified refusing to heal %s/%s(%s)",
fi.Erasure.Distribution, onlineDisks, bucket, object, opts.VersionID)
logger.LogIf(ctx, err)
return fi, nil, nil, toObjectErr(err, bucket, object, opts.VersionID)
}
filterOnlineDisksInplace(fi, metaArr, onlineDisks)
// if one of the disk is offline, return right here no need