Re: PCIe SATA HBA for ZFS on -STABLE

2011-06-01 Thread TJ Varghese
On Tue, May 31, 2011 at 10:31 PM, Freddie Cash wrote: > On Tue, May 31, 2011 at 5:48 AM, Matt Thyer wrote: > > > What do people recommend for 8-STABLE as a PCIe SATA II HBA for someone > > using ZFS ? > > > > Not wanting to break the bank. > > Not interested in SATA III 6GB at this time... thoug

Re: Problem, install Freebsd 8 in Adaptec 29320A, not recognizes raid

2010-05-21 Thread TJ Varghese
On Thu, May 20, 2010 at 6:24 PM, Jean Pereira wrote: > yes, is load ahd > > correct? > > On 05/20/2010 06:29 AM, Matthias Gamsjager wrote: >> >> did you load the driver? >> >> On Mon, May 17, 2010 at 4:57 PM, Jean Pereira  wrote: >> >>> >>> Hi. >>> >>> I'm trying to install FreeBSD on a server tha

Re: Inconsistent IO performance

2010-08-13 Thread TJ Varghese
> > > Maybe there is a hardware component here? Are both disks on the same > > controller? Or if not are both controllers using the same interrupt line? > > No. Each is on its one controller and is the only disk on that > controller. > > > You should have a look at 'systat -vmstat' with dd running

Re: Inconsistent IO performance

2010-08-13 Thread TJ Varghese
> The deviation in your disk I/O isn't a major surprise (to me anyway), > given the system specs. What *does* surprise me is your abysmal I/O > speeds in general. 18MB/sec min, 24MB/sec max?! ICH6-M can do a lot > more than that. Something isn't right. > > it's possible that the hw is...subopti

Re: reecommendations for an 'appliance" platform ?

2009-06-14 Thread TJ Varghese
Aragon Gouveia wrote: No, I don't think you will need a CF->SATA adapter. A simple CF->ATA adapter should do. Those systems just have an Intel GCLF2 board in them, which has both SATA and ATA: http://www.intel.com/products/desktop/motherboards/D945GCLF2-D945GCLF2D/D945GCLF2-D945GCLF2D-over

Re: reecommendations for an 'appliance" platform ?

2009-06-14 Thread TJ Varghese
Aragon Gouveia wrote: Hi, Pete French wrote: I'm not 100% sure, but fairly sure that you'll have a hard time finding something that combines the low-power standalone type spec with a 64-bit capable processor. Once you get the higher-end processor, That was my experiense when shopping aroun