performance with LSI SAS 1064

[Scott Long]

Try adding the following line to /boot/loader.conf:

hw.mpt.enable_sata_wc=1

Scott

Lutieri G. wrote:
> Sorry.
> 
> # uname -a
> FreeBSD sd.xyz.com.br 6.2-STABLE FreeBSD 6.2-STABLE #0: Wed Aug 29
> 10:26:18 BRT 2007
> root at sd.xyz.com.br:/usr/src/sys/amd64/compile/LGB  amd64
> 
> Yesterday i've downloaded kernel from cvsup16.FreeBSD.org and compile it.
> 
> 
> 2007/8/29, Scott Long <scottl at samsco.org>:
>> You forgot to say which version of FreeBSD you are using.
>>
>> Scott
>>
>>
>> Lutieri G. wrote:
>>> Hi!
>>>
>>> I have a problem with my new server sun
>>> x4100(http://www.sun.com/servers/entry/x4100/specs.xml).
>>>
>>> Ffirmware is 6.14.04.00 retrivied from sun's site.
>>>
>>> I cannot get more than 3 MB/s when writing to it.
>>>
>>> #pciconf -lv
>>> --- CUT ---
>>> mpt0 at pci2:3:0:  class=0x010000 card=0x30601000 chip=0x00501000 rev=0x02 hdr=0x00
>>>     vendor   = 'LSI Logic (Was: Symbios Logic, NCR)'
>>>     class    = mass storage
>>>     subclass = SCSI
>>> --- CUT ---
>>>
>>>
>>> when i run blogbench, squid -z, or any other software systat return
>>> da0 with 3.0MB/s and 1005 busy.
>>>
>>> I have tried both with and without RAID configured through the
>>> controller and i get same results.
>>>
>>> Some times my dmesg return this message :
>>>
>>> Aug 29 15:22:15 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 65
>>> Aug 29 15:22:15 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:15 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 37
>>> Aug 29 15:22:15 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:15 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:15 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 65
>>> Aug 29 15:22:17 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:17 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 65
>>> Aug 29 15:22:17 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 65
>>> Aug 29 15:22:17 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:17 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:18 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 62
>>> Aug 29 15:22:18 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 65
>>> Aug 29 15:22:29 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x04 Depth 65
>>> Aug 29 15:22:29 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>> Aug 29 15:22:47 sdfirewall kernel: mpt0: QUEUE FULL EVENT: Bus 0x00
>>> Target 0x03 Depth 65
>>>
>>>
>>> Is this a known issue ?
>>>
>>> tanx
>>>
>>
> 
>