Re: [zfs-discuss] Issues with supermicro

2011-08-10 Thread phil.har...@gmail.com
I would generally agree that dd is not a great benchmarking tool, but you could use multiple instances to multiple files, and larger block sizes are more efficient. And it's always good to check iostat and mpstat for io and cpu bottlenecks. Also note that an initial run that creates files may

Re: [zfs-discuss] Issues with supermicro

2011-08-10 Thread phil.har...@gmail.com
I would generally agree that dd is not a great benchmarking tool, but you could use multiple instances to multiple files, and larger block sizes are more efficient. And it's always good to check iostat and mpstat for io and cpu bottlenecks. Also note that an initial run that creates files may

Re: [zfs-discuss] Summary: Dedup memory and performance (again, again)

2011-07-15 Thread phil.har...@gmail.com
If you clone zones from a golden image using ZFS cloning, you get fast, efficient dedup for free. Sparse root always was a horrible hack! - Reply message - From: Jim Klimov jimkli...@cos.ru To: Cc: zfs-discuss@opensolaris.org Subject: [zfs-discuss] Summary: Dedup memory and performance

Re: [zfs-discuss] Changed ACL behavior in snv_151 ?

2011-01-25 Thread phil.har...@gmail.com
Which chmod are you using? (check your PATH) - Reply message - From: Ryan John john.r...@bsse.ethz.ch To: zfs-discuss@opensolaris.org zfs-discuss@opensolaris.org Subject: [zfs-discuss] Changed ACL behavior in snv_151 ? Date: Tue, Jan 25, 2011 13:31 Hi, I’m sharing file systems using a