Hello,
sorry for top-posting ...
I would guess that the "align-at" feature is set to 1M (2048 sectors)
by default for this setup-storage version ? I can't say for sure as I
don't use this version ... still using 3.4.8, but I always set align-at:1M.
Maybe you'd like to read this document if unfamiliar:
http://www.ibm.com/developerworks/linux/library/l-4kb-sector-disks/
or this even:
http://www.novell.com/support/kb/doc.php?id=7007193
You could possibly use align-at:1K to force it, if that's really what
you want ?
I'll let others answer your other question.
Best,
Sylvain
On Wed, 10 Oct 2012, RU Admin wrote:
I'm running Debian Wheezy with FAI 4.0.3 and for my disk_config I'm using the
following:
disk_config disk1 disklabel:msdos fstabkey:uuid bootable:1
primary / 20G ext4 rw,noatime,errors=remount-ro
tuneopts="-c 0 -i 0"
logical /var 10G ext4 rw,noatime
createopts="-L var -m 5" tuneopts="-c 0 -i 0"
logical swap 8G swap sw
logical /tmp 20G ext4 rw,noatime
createopts="-L tmp -m 0" tuneopts="-c 0 -i 0"
logical /home 1G ext4 rw,noatime,nosuid
createopts="-L home -m 1" tuneopts="-c 0 -i 0"
logical /backup 10G- ext4 rw,noatime
createopts="-L backup" tuneopts="-c 0 -i 0"
My problem is that after I do the FAI install on the machine, and look at the
partition table with fdisk, I see:
/dev/sda1 * 2048 41945087 20971520 83 Linux
/dev/sda2 41945088 1952448511 955251712 f W95 Ext'd (LBA)
/dev/sda5 41945090 62916609 10485760 83 Linux
/dev/sda6 62916612 79693827 8388608 82 Linux swap / Solaris
/dev/sda7 79693830 121636869 20971520 83 Linux
/dev/sda8 121636872 123734023 1048576 83 Linux
/dev/sda9 123734026 1952448511 914357243 83 Linux
Why is the first partition starting at 2048 instead of 1? If I look at the
disk in cfdisk, it's showing 1.05MB of free space at the beginning of the
disk...although it's a trivial amount of space being lost, why am I losing
it?
I have a Debian Squeeze system running FAI 3.4.7 and I don't see that problem
when using the same disk config.
Any help would be much appreciated, the main reason I'm looking into this is
because I'm trying to use the preserve_always option with FAI 4.0.3 after
I've already done an initial install on the system with the same FAI
disk_config and I'm getting:
Previous partitions overflow begin of preserved partition /dev/sda8
Prototype mismatch: sub Parse::RecDescent::namespace000001::dclone ($) vs
none at /usr/share/perl5/Parse/RecDescent. pm line 1984 during global
destruction.
I was hoping it had something to do with the 1.05MB of wasted space in the
beginning of the disk causing problems. Again, using the same disk_config
and adding the preserve_always works perfectly with 3.4.7.
Thanks!
Craig
