Re: [zfs-discuss] [storage-discuss] zpool io to 6140 is really slow

2007-11-20 Thread Asif Iqbal
On Nov 20, 2007 1:48 AM, Louwtjie Burger <[EMAIL PROTECTED]> wrote: > > > > That is still 256MB/s . I am getting about 194MB/s > > No, I don't think you can take 2Gbit / 8bits per byte and say 256MB is > what you should get... > Someone with far more FC knowledge can comment here. There must be >

Re: [zfs-discuss] [storage-discuss] zpool io to 6140 is really slow

2007-11-19 Thread Asif Iqbal
On Nov 19, 2007 1:43 AM, Louwtjie Burger <[EMAIL PROTECTED]> wrote: > On Nov 17, 2007 9:40 PM, Asif Iqbal <[EMAIL PROTECTED]> wrote: > > (Including storage-discuss) > > > > I have 6 6140s with 96 disks. Out of which 64 of them are Seagate > > ST337FC (300GB - 1 RPM FC-AL) > > Those disks ar

Re: [zfs-discuss] [storage-discuss] zpool io to 6140 is really slow

2007-11-18 Thread Louwtjie Burger
On Nov 17, 2007 9:40 PM, Asif Iqbal <[EMAIL PROTECTED]> wrote: > (Including storage-discuss) > > I have 6 6140s with 96 disks. Out of which 64 of them are Seagate > ST337FC (300GB - 1 RPM FC-AL) Those disks are 2Gb disks, so the tray will operate at 2Gb. > I created 16k seg size raid0 lun

Re: [zfs-discuss] [storage-discuss] zpool io to 6140 is really slow

2007-11-17 Thread Asif Iqbal
On Nov 17, 2007 2:55 PM, Torrey McMahon <[EMAIL PROTECTED]> wrote: > Have you tried disabling the zil cache flushing? I already have zfs nocache flush set to 1 to take advantage of NVRAM of the raid controllers set zfs:zfs_nocacheflush = 1 > > http://www.solarisinternals.com/wiki/index.php/ZF

Re: [zfs-discuss] [storage-discuss] zpool io to 6140 is really slow

2007-11-17 Thread Torrey McMahon
Have you tried disabling the zil cache flushing? http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Cache_Flushes Asif Iqbal wrote: > (Including storage-discuss) > > I have 6 6140s with 96 disks. Out of which 64 of them are Seagate > ST337FC (300GB - 1 RPM FC-AL) > > I c