On Thursday 04 March 2010, David Goodenough wrote: > On Thursday 04 March 2010, David Goodenough wrote: > > I have a hard drive with a primary partition and an extended partiton. > > QTParted says that it has /dev/hda1, /dev/hda2 and /dev/hda5 which is > > what one would expect, but when I boot the disk the kernel reports > > that there are only the /dev/hda1 and /dev/hda2 partitons, no /dev/hda5. > > > > The really odd thing is that qtparted is running on the kernel which > > can not see /dev/hda5. > > > > The disk is question is a 2.5" 160GB drive, and is quite new. The kernel > > log shows no errors. > > > > Any idea what might cause this and how to fix it (preferably without > > repartitioning the disk as backing it all up would take a while and also > > I do not know how I would access the data in /dev/hda5 if I can not see > > it). > > > > David > > Well I found out a bit more. Firstly I booted from a Knoppix CD (2.6.19) > and it sees the partitions just fine. Then I looked in /var/log/kern.log > (previously I had been looking in dmesg) and found:- > > hda: Host Protected Area detected. > ^Icurrent capacity is 268435455 sectors (137438 MB) > ^Inative capacity is 312581808 sectors (160041 MB) > hda: 268435455 sectors (137438 MB) w/8192KiB Cache, > CHS=16709/255/63 > hda: cache flushes supported > hda: hda1 hda2 < > > hda: p1 size 302343237 exceeds device capacity, enabling native capacity > hda: detected capacity change from 137438952960 to 160041885696 > > which obviously did not used to happen with the Knoppix kernel, or the > older 2.6.26 kernel I ran from this disk before. > > Anyone know what this Host Protected Area and what I do with it and > how I make it detect the disk properly? > > David > I found Host Protected Area on Google, and it said I could turn it off using hdparm, but when I try it says:-
hdparm -N /dev/hda /dev/hda: The running kernel lacks CONFIG_IDE_TASK_IOCTL support for this device. READ_NATIVE_MAX_ADDRESS_EXT failed: Invalid argument Do we need another option turned on in the kernel? David -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/201003042058.02440.david.goodeno...@btconnect.com
