On Sunday January 22, rikherrin@xxxxxxxxx wrote: > Wouldn't connecting a UPS + using a stable kernel > version remove 90% or so of the "RAID-5 write hole" > problem? Are there any other means to know when this > has occurred? A UPS would help, as would a well-tested stable kernel. However sometimes power supplies die, so make sure you have two of them... Yes, there are several ways to mitigate the risk. However they cost money and the risk is actually already very small in the first place. Coming up with a by-design approach that removes the risk completely is still a good goal, providing the performance costs are reasonable (i.e. almost zero). 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
