On Die, 2012-07-03 at 03:59 -0500, Stan Hoeppner wrote: > On 7/3/2012 3:16 AM, Ramon Hofer wrote: > > On Tue, 03 Jul 2012 10:04:04 +0200, Claudius Hubig wrote: > > > >> Hello Ramon, > >> > >> Ramon Hofer <ramonho...@bluewin.ch> wrote: > >>> /dev/sdi1 jfs 1.9T 1.9T 3.9G 100% /mnt/recordings /dev/sdk > >>> xfs 1.9T 1.9T 3.3G 100% /mnt/recordings_temp > >>> > >>> Is there a reason why one should use a partition spanning the whole > >>> disk instead of creating the filesystem directly on the disk? > >> > >> If you use a partition, it is possible to move the partition a little > >> bit (a few kilo-/megabytes is usually enough) to align it with the > >> blocks of the HDD. > >> > >> I don’t know if this is possible when using disks directly. In any case, > >> it will be impossible to boot from such a disk, since there’s no room > >> for the MBR (or, if there is room for the MBR, the filesystem will be > >> unaligned with the disk blocks). > >> > >> I therefore would always prefer to use a single-partition layout rather > >> than the raw disk. > > > > Thanks for the answer! > > Except Claudius gave you the wrong answer for your situation. You got > impatient again Ramon.
I'm learning for exams and am happy for any distraction ;-) And I wanted to ask at different places to be able to compare different answers. > > I have created a new partition and the filesystem on it. > > As I replied on XFS, there's ZERO reason for putting one partition on a > dedicated mythTV recording drive. And since this is an Advanced Format > drive, you instantly misaligned XFS by creating that partition. None of > the Squeeze partitioning tools understand ADF drives and will all > therefore create a sector misaligned partition, causing serious > performance degradation due to RMW cycles within the drive. > > The definition of the word "partition" means to divide a whole into > smaller pieces. If you do not intend to divide your disk into smaller > pieces, but will be formatting the entire disk with a single filesystem, > then there is no reason to create a partition table with 1 partition. That's how I understand the word partition too. > Delete the partition, and directly format the drive with XFS, and you'll > be sector aligned, and everything will work as you expect. Thanks! I'm now copying the recordings :-) Cheers Ramon -- 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/1341307752.5374.20.camel@hoferr-desktop.hofer.rummelring
