> 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] -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Tim Gustafson t...@soe.ucsc.edu Baskin School of Engineering 831-459-5354 UC Santa Cruz Baskin Engineering 317B -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"