----- Original Message ----- From: "Al Boldi" <a1426z@xxxxxxxxx> To: "JaniD++" <djani22@xxxxxxxxxxxxx> Cc: <linux-raid@xxxxxxxxxxxxxxx> Sent: Monday, December 19, 2005 12:16 PM Subject: Re: RAID0 performance question > JaniD++ wrote: > > For me, the performance bottleneck is cleanly about RAID0 layer used > > exactly as "concentrator" to join the 4x2TB to 1x8TB. > > Did you try running RAID0 over nbd directly and found it to be faster? At this time i cannot test it, because the system is loaded, and the result will fase. Anyway i will probe this.... > > IIRC, stacking raid modules does need a considerable amount of tuning, and > even then it does not scale linearly. > > Maybe NeilBrown can help? Maybe, but it looks like Neil is not interested. :-( And the more probles is, i plan to modify the entire system structure, and will not be spare drives to testing soon... :-/ Cheers, Janos - 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