Re: [zfs-discuss] Speed question: 8-disk RAIDZ2 vs 10-disk RAIDZ3

2010-02-16 Thread Bob Friesenhahn
On Tue, 16 Feb 2010, Dave Pooser wrote: If I go to 10x 2TB in a RAIDZ3, will the extra spindles increase speed, or will the extra parity writes reduce speed, or will the two factors offset and leave things a wash? I should mention that the usage of this system is as storage for large (5-300GB)

Re: [zfs-discuss] Speed question: 8-disk RAIDZ2 vs 10-disk RAIDZ3

2010-02-16 Thread Dave Pooser
> If I go to 10x 2TB in a RAIDZ3, will the extra spindles increase > speed, or will the extra parity writes reduce speed, or will the two factors > offset and leave things a wash? I should mention that the usage of this system is as storage for large (5-300GB) video files, so what's most important