This issue is also affecting newer/larger hard drives. And these without a doubt have 4kb sectors but everything in opensuse shows 512 >>>>>bytes! >>>> >>>> The _drives_ don't tell their real sector sizes! >>>> >>>> # /sbin/hdparm -I /dev/sdb >>>> [..] >>>> Model Number: SAMSUNG HD204UI >>>> [..] >>>> LBA48 user addressable sectors: 3907029168 >>>> Logical Sector size: 512 bytes >>>> Physical Sector size: 512 bytes >>>> >>>> This is what the disk tells via the ATA interface. And yes, that is >>>> a disk with 4K physical sectors, which is why I partitioned aligned >>>> to 4K. There is just no way for Yast or any other tool to know. One >>>> could create a database of 4K-disks reporting 512B sectors though. >>>> >>> >>> Right that's what I said basically and hence my proposal that Yast >>> shows disks in the relevant unit of "sectors" and not the antiquated >>> useless term of "cylinders." If you know your disk needs to be aligned >>> to X size sectors you can calculate it yourself and set it up with no >>> hassle.
But in the current arragement, since there's no universal
Feature changed by: Greg Freemyer (gregfreemyer) Feature #312273, revision 5 Title: Update yast-partitioner GUI to reflect they way it works internally openSUSE Distribution: Unconfirmed Priority Requester: Mandatory Requested by: Andrew Joakimsen (joak0) Partner organization: openSUSE.org Description: Summary Description yast-partitioner was updated for 11.3 and newer to stop using CHS information as its primary partition alignment strategy. The user interface was never updated to match. The user interface for yast2-partitioner should be updated to allow the user to select legacy CHS presentation and the more modern presentation units of sectors / MBs / GBs or other units more appropriate to raid strides. Original Description On Fri, Apr 22, 2011 at 08:14, Greg Freemyer <greg.freemyer@gmail.com> wrote: > Andrew, > > Is there a openfate proposal? They are easy to create. Any opensuse > user with a login can do it. > > Since this is not a bug, just a functionality change proposal, > bugzilla is not the right place. > > Greg > > On 4/18/11, Greg Freemyer <greg. freemyer@gmail.com> wrote: >> On Mon, Apr 18, 2011 at 1:28 PM, Andrew Joakimsen <joakimsen@gmail.com> >> wrote: >>> On Mon, Apr 18, 2011 at 06:18, David Haller <dnh@opensuse.org> wrote: >>>> Hello, >>>> >>>> On Sun, 17 Apr 2011, Andrew Joakimsen wrote: >>>>>understands what is going on can make sure it is setup properly. There >>>>>is no formula to convert from cylinders to sectors! >>>> >>>> http://en.wikipedia.org/wiki/Cylinder-head-sector#CHS_to_LBA_mapping >>>> formula to >>> convert cylinders to sectors and yast only shows the former, you need >>> to e.g. boot a live CD, create your partitions with some clunky 3rd >>> party tool and then do your installation. >>
If you'll post the openFATE link to your proposal, I'll add my vote.
Greg >> > The current functionality is a bug and I have long ago reported it as such. Disks are addressed by logical sectors this millenium. It's a bug to show an obsolete, not-convertible unit. serves no purpose unit. The fix to that bug is to show the relevant unit. -- Med Vennlig Hilsen, A. Helge Joakimsen
+ Use Case: + openSUSE now defaults to 1MB partition alignment. The current CHS + presentation is meaningless for that. The same is true for SSDs and + raid arrays. + Thus the current presentation is only useful for drives partitioned + with openSUSE 11.2 or older. -- openSUSE Feature: https://features.opensuse.org/312273