Re: [zfs-discuss] Re: Metaslab alignment on RAID-Z

2006-09-28 Thread Roch
Gino Ruopolo writes: > Thank you Bill for your clear description. > > Now I have to find a way to justify myself with my head office that > after spending 100k+ in hw and migrating to "the most advanced OS" we > are running about 8 time slower :) > > Anyway I have a problem much more se

Re: [zfs-discuss] Re: Metaslab alignment on RAID-Z

2006-09-27 Thread Al Hopper
On Wed, 27 Sep 2006, Gino Ruopolo wrote: > Thank you Bill for your clear description. > > Now I have to find a way to justify myself with my head office that after > spending 100k+ in hw and migrating to "the most advanced OS" we are running > about 8 time slower :) > > Anyway I have a problem

[zfs-discuss] Re: Metaslab alignment on RAID-Z

2006-09-27 Thread Gino Ruopolo
> > More generally, I could suggest that we use an odd > number of vdevs > for raidz and an even number for mirrors and raidz2. > Thoughts? uhm ... we found serious performance problems also using a RAID-Z of 3 luns ... Gino This message posted from opensolaris.org __

[zfs-discuss] Re: Metaslab alignment on RAID-Z

2006-09-27 Thread Gino Ruopolo
Thank you Bill for your clear description. Now I have to find a way to justify myself with my head office that after spending 100k+ in hw and migrating to "the most advanced OS" we are running about 8 time slower :) Anyway I have a problem much more serious than rsync process speed. I hope yo