On Tuesday July 11, pletopia@xxxxxxxxx wrote: > Checksum : 4aa9094a - expected 4aa908c4 This is a bit scary. You have a single-bit error, either in the checksum or elsewhere in the superblock. I would recommend at least a memtest86 run. NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html