On Sun, Jul 20, 2014 at 01:53:34PM +0000, Duncan wrote: > TM posted on Sun, 20 Jul 2014 08:45:51 +0000 as excerpted: > > > One week for a raid10 rebuild 4x3TB drives is a very long time. > > Any thoughts? > > Can you share any statistics from your RAID10 rebuilds? > > > At a week, that's nearly 5 MiB per second, which isn't great, but isn't > entirely out of the realm of reason either, given all the processing it's > doing. A day would be 33.11+, reasonable thruput for a straight copy, > and a raid rebuild is rather more complex than a straight copy, so... Uhm, sorry, but 5MBps is _entirely_ unreasonable. It is order-of-magnitude unreasonable. And "all the processing" shouldn't even show as a blip on modern CPUs. This "speed" is undefendable. -- Tomasz Torcz RIP is irrevelant. Spoofing is futile. xmpp: zdzichubg@xxxxxxxxx Your routes will be aggreggated. -- Alex Yuriev -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
