Dear Mark: 2008/2/18, Mark Lord <liml@xxxxxx>: > Mark Lord wrote: > > Richard Liu wrote: > .. > >> I downloaded hdparm-8.1 > >> and here is output information. > >> > >> # ./hdparm -N /dev/sdc > >> > >> /dev/sdc: > >> max sectors = 65134/1953525168, HPA is enabled > > .. > > > > Yes, pretty much as expected there. > > > > You can safely now try this: > > > > ./hdparm -N1953525168 /dev/sdc > > > > If that works, it will have temporarily restored access to the entire > > drive. > > Then you can try to make it permanent by doing this: > > > > ./hdparm -Np1953525168 /dev/sdc > > > > If *that* also works, then reboot and things should be fine, > > unless your machine BIOS changes it back again on boot.. :/ > > > > If either of those *fails*, then it is because your BIOS (or possibly > > the system startup scripts) have "frozen" the configuration > > to prevent changes. Dunno why they would do that, but it's possible. > > > > In which case, you could move the drive to another machine temporarily, > > and then issue that same command there. I am very appreciate for your help. Both command ./hdparm -N1953525168 /dev/sdc and ./hdparm -Np1953525168 /dev/sdc work fine. I can get while 1000G disk space. I tried to read/write some file (around 3G bytes) into the disk. and uses md5 to verify data. It seems no problem. Thank you very much. > .. > > Or just hot unplug/replug the drive and try it again. > That should also work, assuming the driver for your controller supports hotplug. > > Cheers > - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
