Date: 18 Apr 2003 15:44:50 +0300 From: argo <hostmaster@ns.purk.ee> To: aic7xxx@freebsd.org Cc: freebsd-performance@freebsd.org Subject: aic7892 trouble Message-ID: <1050669889.575.12.camel@station.purk.ee>
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Hi folks, I have Adaptec U160 Host-Adapter with 2x Atlas 10k disks.When i copy large files (~700MB) then performance is pretty bad.I got only about 35MB/sec between those 2 disks.Theres no difference 4.x or 5 -current. I made couple of custom kernels with different options but no luck. Could that be related with bad cable issue? Thanks in advance. ahc0: <Adaptec 19160B Ultra160 SCSI adapter> port 0xa000-0xa0ff mem 0xe2024000-0xe2024fff irq 11 at device 9.0 on pci0 aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs da0 at ahc0 bus 0 target 0 lun 0 da0: <QUANTUM ATLAS10K3_18_WLS 020W> Fixed Direct Access SCSI-3 device da0: 160.000MB/s transfers (80.000MHz, offset 127, 16bit), Tagged Queueing Enabled da0: 17537MB (35916548 512 byte sectors: 255H 63S/T 2235C) da1 at ahc0 bus 0 target 1 lun 0 da1: <QUANTUM ATLAS10K3_18_WLS 020W> Fixed Direct Access SCSI-3 device da1: 160.000MB/s transfers (80.000MHz, offset 127, 16bit), Tagged Queueing Enabled da1: 17537MB (35916548 512 byte sectors: 255H 63S/T 2235C)
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