On 24/05/15 15:06, Mikael Abrahamsson wrote: > On Sun, 24 May 2015, Wols Lists wrote: > >> And if you get read errors, well, aiui, raid won't help here either - >> especially with mirrored raid, you just get a read failure. Raid does >> NOT give you error recovery unless the drive physically fails, and if >> it's a bad block it gets fixed at the disk or disk driver level - well >> below the raid driver. > > You're wrong. In case of a read error from the physical drive on RAID1, > RAID5 or RAID6 then the information will be re-created from another > drive, and written to the drive that threw a read error. This is the > whole point of RAID with parity information. > Except raid 1 isn't parity ... :-) Personally, I still don't think "raid"ing swap is worth it, though. Horses for courses, ram is cheap, and in my circumstances I don't think I'd gain anything. Cheers, Wol -- 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
