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Chris Lu
f410d975c7
* fix(ec): resolve EC data-shard count from the volume's .vif on reboot A volume server never loads a cluster EC config into memory, so startup decisions that assumed 10 data shards mishandled volumes whose .vif records a different ratio: - validateEcVolume sized the expected shard against 10 data shards and required >=10 local shards, so a volume with a non-default ratio and a coexisting .dat could be wiped on reboot. Read the ratio from the .vif. - pruneIncompleteEcWithSiblingDat used the hardcoded 10-shard threshold, so a full data set for a non-default ratio with a healthy sibling .dat was wiped as a partial leftover. Use the EcVolume's .vif-derived ratio. Behavior is unchanged for the standard 10+4 layout (the .vif resolves to 10). Adds storage-level reboot tests. * ec: avoid per-call allocations in ecDataShardsFromVif Address review: the helper runs once per EC volume at startup. Replace the slice+map dedup of the two dirs with direct conditional checks via a small ecDataShardsFromVifDir helper, eliminating the heap allocations and GC pressure when loading many volumes.