None handle without prior backup.
In early 2024, security researchers discovered a critical bug in the SAS expander firmware repair routine used by several prominent JBOD toolkits. When attempting to repair a stalled expander chip (common in 60-bay and 90-bay enclosures), the tool would accidentally write garbage data to the expander’s NVRAM. This "repair" effectively bricked the entire backplane, requiring a motherboard-level rework. jbod repair tools patched