Date: Wed, 21 Apr 2004 21:45:23 -0400 From: Andrew Heybey <ath@niksun.com> To: Don Bowman <don@sandvine.com> Cc: freebsd-scsi@freebsd.org Subject: Re: freebsd, adaptec aic7902, 4 or more seagate drives == resets Message-ID: <85llkoyedo.fsf@stiegl.mj.niksun.com> In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C85337045D8A06@mail.sandvine.com> (Don Bowman's message of "Thu, 15 Apr 2004 22:40:02 -0400") References: <FE045D4D9F7AED4CBFF1B3B813C85337045D8A06@mail.sandvine.com>
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Don Bowman <don@sandvine.com> writes: > has anyone successfully used 4 or more seagate > [10K or 15K] U320 drives on a single scsi > bus with an adaptec aic7902 controller? Yes. Six, to be precise: ahd0: <Adaptec AIC7902 Ultra320 SCSI adapter> port 0x4000-0x40ff,0x3800-0x38ff mem 0xfe9e0000-0xfe9e1fff irq 19 at device 7.0 on pci4 aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs ahd1: <Adaptec AIC7902 Ultra320 SCSI adapter> port 0x3400-0x34ff,0x3000-0x30ff mem 0xfe9f0000-0xfe9f1fff irq 20 at device 7.1 on pci4 aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs Waiting 5 seconds for SCSI devices to settle ses0 at ahd1 bus 0 target 6 lun 0 ses0: <ESG-SHV SCA HSBP M16 0.05> Fixed Processor SCSI-2 device ses0: 3.300MB/s transfers ses0: SAF-TE Compliant Device da0 at ahd1 bus 0 target 0 lun 0 da0: <SEAGATE ST373307LC 0007> Fixed Direct Access SCSI-3 device da0: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da0: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da2 at ahd1 bus 0 target 2 lun 0 da2: <SEAGATE ST373307LC 0007> Fixed Direct Access SCSI-3 device da2: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da2: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da1 at ahd1 bus 0 target 1 lun 0 da1: <SEAGATE ST373307LC 0007> Fixed Direct Access SCSI-3 device da1: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da1: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da5 at ahd1 bus 0 target 5 lun 0 da5: <SEAGATE ST373307LC 0007> Fixed Direct Access SCSI-3 device da5: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da5: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da4 at ahd1 bus 0 target 4 lun 0 da4: <SEAGATE ST373307LC 0007> Fixed Direct Access SCSI-3 device da4: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da4: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da3 at ahd1 bus 0 target 3 lun 0 da3: <SEAGATE ST373307LC 0007> Fixed Direct Access SCSI-3 device da3: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da3: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) Mounting root from ufs:/dev/da0s1a This is an Intel SE7501WV2, running a basterdized FreeBSD 4.2 with various backported fixes and the ahd driver from -STABLE. It works fine, and we notice disk problems. andrew
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