[zfs-discuss] Re: Re: concatination stripe - zfs?

2007-04-24 Thread shay
- I will try your test. - But How the zfs cash affect my test? - can you send me the guide that tell to change the sd_max_throttle to 32 on solaris10 or solaris8? there would me no more then 30 LUN active on the port but no simultanies. - do you know if a HBA dual QLA2342 can use both 2 ports

Re: [zfs-discuss] Re: Re: concatination stripe - zfs?

2007-04-24 Thread Marion Hakanson
[EMAIL PROTECTED] said: - I will try your test. - But How the zfs cash affect my test? You can measure this yourself. Try running the test both with and without the sync command at the end. You should see a faster completion time without the sync, but not all data will have made it to

Re: [zfs-discuss] Re: Re: concatination stripe - zfs?

2007-04-24 Thread Richard Elling
Marion Hakanson wrote: [EMAIL PROTECTED] said: - I will try your test. - But How the zfs cash affect my test? You can measure this yourself. Try running the test both with and without the sync command at the end. You should see a faster completion time without the sync, but not all data

Re: [zfs-discuss] Re: Re: concatination stripe - zfs?

2007-04-24 Thread Manoj Joseph
Richard Elling wrote: In other words, the sync command schedules a sync. The consistent way to tell if writing is finished is to observe the actual I/O activity. ZFS goes beyond this POSIX requirement. When a sync(1M) returns, all dirty data that has been cached has been committed to disk.