Date: Sat, 15 Feb 2014 16:14:40 +0000 From: Karl Pielorz <kpielorz_lst@tdx.co.uk> To: freebsd-scsi@freebsd.org Subject: Wiring down devices with LSI 2308 / mps? Message-ID: <41337B9333D94F88B9469A60@study64.tdx.co.uk>
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Hi, I've got a SuperMicro board that has an onboard LSI 2308 onboard. This appears using the mps driver: " mps0: <LSI SAS2308> port 0xc200-0xc2ff mem 0xf33c0000-0xf33cffff,0xf3380000-0xf33bffff irq 44 at device 7.0 on pci0 mps0: Firmware: 15.00.00.00, Driver: 16.00.00.00-fbsd mps0: IOCCapabilities:185c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,TransRetry,IR> " I'd like to wire the devices down on this - but that doesn't seem to work :( I tried this by putting entries in '/boot/device.hints' such as: " hint.scbus.0.at="mps0" hint.da.0.at="scbus0" hint.da.0.target="2" hint.da.0.unit="0" hint.da.1.at="scbus0" hint.da.1.target="1" hint.da.1.unit="0" ... " Testing though shows that maybe the controller itself is collapsing 'missing' ports/targets? e.g. Attach a disk to 'Port 0' - and it shows as: da2 at mps0 bus 0 scbus0 target 2 lun 0 Ok, target 2? - but at least that's mapped to da2 (wiring works) Take the disk off, and connect it to Port 1 - and it shows as: da2 at mps0 bus 0 scbus0 target 2 lun 0 Port 1 is target 2 as well? - Switch the drive to 'Port 2' - and you get: da2 at mps0 bus 0 scbus0 target 2 lun 0 So port 2 is also target 2? (if the others aren't occupied) Add a 2nd drive (to any port) and you get: da3 at mps0 bus 0 scbus0 target 3 lun 0 So the 'wiring down' is working - but it looks like the LSI collapses it's own 'missing drives'? - And starts at Target 2? I can't see any setting in the LSI bios that would change this? - I'm presuming it must be possible not to have it do this - though searching the lists didn't turn anything obvious up... Thanks, -Karl
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