help scsi woes on mac iifx i am having trouble with scsi on a mac iifx the machine is years old and i have been using the same hard drive internal maxtor lxt s for two and a half years the disk recently crashed i reformatted silverlining but during the reformat i received random write errors during testing the error message reported was like sector write error detected after testing good sector not mapped out this occurred randomly all over the hard disk which makes me suspect the diagnostic s reference to sector on the third reformat and after reinstalling the scsi read write loops i was able to get through passes and with no errors pass for some reason reported a lot of errors but still mapped out no sectors i decided to go ahead and try to resinstall system and reload my data from a backup this proceded normally however i now have sub optimal performance symptoms include o frequent crashes o instances of extremely sluggish disk access requiring a reboot to correct o instances of not finding the disk on the scsi chain on reboot if i boot from norton utl after this occurs it cannot find the disk either the only thing that fixes this is recycling the power it sometimes requires several attempts questions has anyone had this type of problem before is the problem with the fx motherboard and its non standard scsi implementation or with my maxtor disk is there some diagnostic software that would help me make this determination is it a termination problem i currently have external syquest and an external dataframe xp on the chain the xp is at the end and has internal termination so i am not using the iifx terminator i do have the scsi filter installed on the internal drive i have run with this exact steup for years with one previous disk crash requiring a reformat about a year ago i also have symptoms if i disconnect the external devices so i don t see how scsi termination would now be an issue of course who knows help would be much appreciated forrest e lumpkin iii nasa ames research center lumpkin corvus arc nasa gov
