Re: RELENG_8 / mpt / zpool Errors

> What are the drives exactly? You may have issues like TLER or
> frequent head parking. Are these SATA, SCSI or SAS and are port
> multipliers in use?

root@bsd-03: dmesg | grep da6
da6 at mpt0 bus 0 scbus1 target 1 lun 0
da6: <ATA WDC WD2003FYYS-0 1D01> Fixed Direct Access SCSI-5 device 
da6: 300.000MB/s transfers
da6: Command Queueing enabled
da6: 1907729MB (3907029168 512 byte sectors: 255H 63S/T 243201C)

The drives are housed in two of the following enclosures:

ses0 at mpt0 bus 0 scbus1 target 32 lun 0
ses0: <PROMISE 3U-SAS-16-D BP 0107> Fixed Enclosure Services SCSI-5 device 
ses0: 300.000MB/s transfers
ses0: Command Queueing enabled
ses0: SCSI-3 SES Device

Each enclosure is directly connected by a dedicated cable to the 2-port controller:

mps0: <LSI SAS2008> port 0xfc00-0xfcff mem 0xef5f0000-0xef5fffff,0xef580000-0xef5bffff irq 44 at device 0.0 on pci1
mps0: Firmware: 07.15.04.00
mps0: IOCCapabilities: 185c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,TransRetry,IR>
mps0: [ITHREAD]

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Tim Gustafson                                                tjg@soe.ucsc.edu
Baskin School of Engineering                                     831-459-5354
UC Santa Cruz                                         Baskin Engineering 317B
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