Re: [zfs-discuss] Q: zfs log device

2009-07-01 Thread Jason Ozolins
John Hoogerdijk wrote: so i guess there is some porting to do - no O_DIRECT in solaris... anyone have bonnie++ 1.03e ported already? For your purposes, couldn't you replace O_DIRECT with O_SYNC as a hack? If you're trying to benchmark the log device, the important thing is to generate synch

Re: [zfs-discuss] Q: zfs log device

2009-07-01 Thread Jason Ozolins
Mark J Musante wrote: On Tue, 30 Jun 2009, John Hoogerdijk wrote: i've setup a RAIDZ2 pool with 5 SATA drives and added a 32GB SSD log device. to see how well it works, i ran bonnie++, but never saw any io's on the log device (using iostat -nxce) . pool status is good - no issues or errors.

Re: [zfs-discuss] 15 minute fdsync problem and ZFS: Solved

2006-06-21 Thread Jason Ozolins
Bill Sommerfeld wrote: On Wed, 2006-06-21 at 14:15, Neil Perrin wrote: Of course we would need to stress the dangers of setting 'deferred'. What do you guys think? I can think of a use case for "deferred": improving the efficiency of a large mega-"transaction"/batch job such as a nightly buil

Re: [zfs-discuss] Re: Life after the pool party

2006-05-28 Thread Jason Ozolins
Daniel Rock wrote: James Dickens schrieb: tried it again... same results... restores the damm efi label.. disk starts on block 34 not 0, there is no slice 2... that solaris ijnstaller demands can not start any track at block 0.. so i can't create a backup slice aka 2. This is a SCSI disk?