Hi, Would you mind commenting on my question: should 'iostat' be reporting "Illegal Request" errors as "Soft errors"?
There are some conditions which can generate "Illegal Request" in scsi driver. 1) hba driver does not support some commands, such as 0x1a, page 3 - Mode Sense Command, Format page 0x1a, page 0xa - Mode Sense Command, Control page ...; 2) hard disk does not support some commands; 3) during attaching 4) user send uscsi command According to http://blogs.sun.com/chrisg/entry/iostat_e_whats_that_all ( I found it by searching it on Google), Illegal Request will be counted as Soft Error. There is a CR 6427672 <http://bt2ws.central.sun.com/CrPrint?id=6427672>, which is complaining there are too many Soft Errors in 'iostat -E' result. Should we stop reporting Illegal Request as Soft Errors? Regards, David
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