guy keren wrote:
> forgot to mentino a possible obvious problem - linux kernel software
> problems (e.g. problems with drivers for the specific SCSI controller, or
> problems with the RAID code on the specific controller/disks. could also
> be configuration problem).
>
>
> questin is:
>
> what exact type of SCSI adapter is connected to the RAID's disks?
> according to the log:
>
> ncr53c8xx (driver used), and the device:
>
> ncr53c876-1-<0,*>: FAST-20 WIDE SCSI 40.0 MB/s (50 ns, offset 15)
There are 2 adapters, both are:
Symbios Logic 53c875 revision 14
(NCR is now called Symbios Logic)
first adapter, serves (0,0,0,0) and (0,0,1,0) devices
second adapter serves (1,0,0,0), (1,0,1,0), (1,0,2,0) and (1,0,3,0)
the driver was chosen according to Compaq's documentation.
> most SCSI errors reported are for sdc, others are for 'sdf' (host 1,
> channel 0, id 0/3, lun 0). i don't know what this means.
>
host - controller
id - device on controller
channel and lun are not relevant in that case and must be 0.
Since host 0 (/dev/sda and /dev/sdb ) is not getting any errors, and they use
same driver, I assume that driver is OK.
Problems that remain: bad controller, bad cable on second controller, bad disks,
bad software RAID.
> guy
>
> "For world domination - press 1,
> or dial 0, and please hold, for the creator." -- nob o. dy
>
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