Renato S. Yamane wrote: > Tejun Heo wrote: > >Renato S. Yamane wrote: > >>Jim Paris wrote: > >>>For Debian, I don't think there are any complete solutions yet. > >>>The related bug is > >>>http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=426224 > >> > >>I think that we can fix this if someone can answer this: > >> > >>$ man halt > >>"-h flag: This is important for IDE drives, since the kernel doesn’t > >>flush the write cache itself before power-off.." > >> > >>How can I know if kernel write cache itself? :-) > > > >Kernel has been flushing write cache for many many years now. Man page > >needs update. Also, flushing cache from halt is okay. What's hurting > >is spinning down the drive from halt. > > So, I think that halt script need know: > > - How many and who is IDE drives and SCSI/SATA drives. > - Devices with manage_start_stop as "0" or without manage_start_stop > need "halt -h". > - Devices with manage_start_stop as "1" need only "halt". > > This is correct? The real changes need to be made in the shutdown utility, as described here: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=426224#10 -jim - 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
