Re: [zfs-discuss] zfs recordsize change improves performance

2010-06-03 Thread Asif Iqbal
On Thu, May 20, 2010 at 8:34 PM, Richard Elling richard.ell...@gmail.com wrote: On May 20, 2010, at 11:07 AM, Asif Iqbal wrote: On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-24 Thread Miles Nordin
ai == Asif Iqbal vad...@gmail.com writes: If you disable the ZIL for locally run Oracle and you have an unscheduled outage, then it is highly probable that you will lose data. ai yep. that is why I am not doing it until we replace the ai battery no, wait please, you

[zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Asif Iqbal
I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached to it. I am running sol 10 u3 . every time I change the recordsize of the zfs fs the disk IO improves (doubles) and stay like that for about 5 to 6 hrs. Then it dies down. I increase the recordsize

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Asif Iqbal
On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached to it. I am running sol 10 u3 . every time I change the recordsize of the zfs fs the disk IO improves (doubles) and stay like

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Asif Iqbal
On Thu, May 20, 2010 at 2:07 PM, Asif Iqbal vad...@gmail.com wrote: On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached to it. I am running sol 10 u3 . every time I change the

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Richard Elling
On May 20, 2010, at 11:07 AM, Asif Iqbal wrote: On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached to it. I am running sol 10 u3 . every time I change the recordsize of the

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Asif Iqbal
On Thu, May 20, 2010 at 8:34 PM, Richard Elling richard.ell...@gmail.com wrote: On May 20, 2010, at 11:07 AM, Asif Iqbal wrote: On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Asif Iqbal
On Thu, May 20, 2010 at 8:34 PM, Richard Elling richard.ell...@gmail.com wrote: On May 20, 2010, at 11:07 AM, Asif Iqbal wrote: On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba (QLE2462) and a 3510FC with one controller 2gb/s attached

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Richard Elling
On May 20, 2010, at 7:09 PM, Asif Iqbal wrote: On Thu, May 20, 2010 at 8:34 PM, Richard Elling richard.ell...@gmail.com wrote: On May 20, 2010, at 11:07 AM, Asif Iqbal wrote: On Thu, May 20, 2010 at 1:51 PM, Asif Iqbal vad...@gmail.com wrote: I have a T2000 with a dual port 4gb hba

Re: [zfs-discuss] zfs recordsize change improves performance

2010-05-20 Thread Asif Iqbal
On Thu, May 20, 2010 at 10:53 PM, Richard Elling richard.ell...@gmail.com wrote: On May 20, 2010, at 7:09 PM, Asif Iqbal wrote: On Thu, May 20, 2010 at 8:34 PM, Richard Elling richard.ell...@gmail.com wrote: On May 20, 2010, at 11:07 AM, Asif Iqbal wrote: On Thu, May 20, 2010 at 1:51 PM,

[zfs-discuss] ZFS recordsize

2008-01-18 Thread Manoj Nayak
Hi All, Is it not poosible to increase zfs record size beyond 128k.I am using Solaris 10 Update 4. I get following error when I try to set zfs record size to 1024 k. zfs set recordsize=1024k md9/test cannot set property for 'md9/test': 'recordsize' must be power of 2 from 512 to 128k Thanks

Re: [zfs-discuss] ZFS recordsize

2008-01-18 Thread Roch - PAE
Why do you want greater than 128K records. Do Check out : http://blogs.sun.com/roch/entry/128k_suffice -r Manoj Nayak writes: Hi All, Is it not poosible to increase zfs record size beyond 128k.I am using Solaris 10 Update 4. I get following error when I try to set zfs

Re: [zfs-discuss] ZFS recordsize

2008-01-18 Thread Roch - PAE
Manoj Nayak writes: Roch - PAE wrote: Why do you want greater than 128K records. A single-parity RAID-Z pool on thumper is created it consists of four disk.Solaris 10 update 4 runs on thumper.Then zfs filesystem is created in the pool.1 mb data is written to a file in

Re: [zfs-discuss] ZFS recordsize

2008-01-18 Thread Manoj Nayak
Roch - PAE wrote: Why do you want greater than 128K records. A single-parity RAID-Z pool on thumper is created it consists of four disk.Solaris 10 update 4 runs on thumper.Then zfs filesystem is created in the pool.1 mb data is written to a file in filesystem using write (2) system

Re: [zfs-discuss] ZFS recordsize

2008-01-18 Thread Manoj Nayak
Roch - PAE wrote: Manoj Nayak writes: Roch - PAE wrote: Why do you want greater than 128K records. A single-parity RAID-Z pool on thumper is created it consists of four disk.Solaris 10 update 4 runs on thumper.Then zfs filesystem is created in the pool.1 mb data is