>>>> The drive might take a longer time like this when doing error handling >>>> (sector remapping, etc), but then I would expect to see your remapped >>>> sector count grow. >>> >>> Yes, this is a possibility and according to the spec, libata EH should >>> be retrying flushes a few times before giving up but I'm not sure >>> whether keeping retrying for several minutes is a good idea either. >>> Is it? >> .. >> >> Libata will retry only when the FLUSH returns an error, >> and the next FLUSH will continue after the point where >> the first attempt failed. >> >> But if the drive can still auto-relocate sectors, then the >> first FLUSH won't actually fail.. it will simply take longer >> than normal. >> >> A couple of those, and we're into the tens of seconds range >> for time. >> >> Still, it would be good to actually produce an error like that >> to examine under controlled circumstances. >> >> Hmm.. I had a drive here that gave symptoms like that. >> Eventually, I discovered that drive had run out of relocatable >> sectors, too. Mmm.. I'll see if I can get it back (loaned it out) >> and perhaps we can recreate this specific scenario on it.. > .. > > I checked today, and that drive is no longer available. Mine errored out again with exactly the same symptoms, this time after only few days and with the "tunable" set to 2 sec. I got a warranty replacement but haven't shipped this one yet. Let me know if you want it. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
