RESYNC_WINDOW
#define RESYNC_WINDOW_SECTORS (RESYNC_WINDOW >> 9)
#define CLUSTER_RESYNC_WINDOW (16 * RESYNC_WINDOW)
buffs = RESYNC_WINDOW / RESYNC_BLOCK_SIZE;
#define CLUSTER_RESYNC_WINDOW (32 * RESYNC_WINDOW)
buffs = RESYNC_WINDOW / RESYNC_BLOCK_SIZE;