Giuseppe Sacco wrote: > Hi all, > I am just starting using this O2 and I found the disk access is *very* > slow. The internal controllers seems to be adaptec AIC7880 and the speed > for each device is 3.3 MB/s as shown in /proc/scsi/aic7xxx/0: > Target 1 Negotiation Settings > User: 3.300MB/s transfers > Goal: 3.300MB/s transfers > Curr: 3.300MB/s transfers
Which means the aic7xxx driver fails to handle faster SCSI transfer modes than the (slowest) asynchronous one. > Do you know if this is the maximum speed for this controller? IIRC it can do 10MB/s. > I have a > spare SCSI PCI card from Advansys, may I plug it into the SGI and use it > for all my harddisks? Should I leave one disk in the internal controller > in order to boot? Might work, but I haven't tried something like that. Anyway, the correct answer is to fix the kernel driver. :-) Thiemo
