Getting rid of /boot
Gene Heskett
gene.heskett at verizon.net
Sun Dec 6 05:20:56 UTC 2009
On Saturday 05 December 2009, Matthew Saltzman wrote:
>On Sat, 2009-12-05 at 19:30 -0500, Gene Heskett wrote:
>> On Saturday 05 December 2009, Matthew Saltzman wrote:
>> >On Sat, 2009-12-05 at 12:33 -0500, Gene Heskett wrote:
>> >> On Saturday 05 December 2009, Wayne Feick wrote:
>> >> >On Sat, 2009-12-05 at 11:30 -0500, Gene Heskett wrote:
>> >> >> Folderol even. My objection to LVM is two fold.
>> >> >>
>> >> >> 1. It won't allow one to save things in the /home tree when doing
>> >> >> an upgrade or re-install. I have an almost 10GB corpus of email,
>> >> >> and several scripts that are needed for my daily operations that
>> >> >> need to be preserved. LVM makes that impossible.
>> >> >
>> >> >Can you elaborate? I use LVM on all my systems, and whenever I move
>> >> > to a new Fedora release I carry the old /home tree forward to the
>> >> > new installation.
>> >> >
>> >> >Wayne.
>> >>
>> >> And just how do you do that? The last time I tried to save /home,
>> >> anaconda would not proceed until I checked the format it box. As I'm
>> >> an alpha test site for amanda, the recovery was doable and was done,
>> >> but what kind of twisted reasoning gives anaconda the right to demand
>> >> I destroy my data?
>> >
>> >Well, nothing (unless it's on a partition that has to be formatted for
>> >an install, like /).
>> >
>> >And I've never had that problem. If /home is a separate LV, in
>> >Anaconda, select the PV with the /home LV inside it. You'll have to
>> >reset the mount points for all the LVs (an annoyance, to be sure, that I
>> >wish could be fixed), but you don't have to format /home (or /opt,
>> >or /usr/local, etc.) if it is a separate LV (or if it's on a separate
>> >partition).
>>
>> I also tried that once, and convinced it I didn't want it formatted,
>> about FC6 I think. It bought it I thought, till I found it had made a
>> /home directory on /, the proceeded to write the new /home with its
>> defaults. I took a bit of detective work to ascertain that my /home
>> partition still existed, but wasn't ever used and was not in /etc/fstab
>> as a separate entry. Dumb was NOT my comment when I found that.
>
>There's always a /home directory on the root filesystem.
Of course.
>If you have a
>separate /home filesystem, the /home directory on the root filesystem is
>the mount point for the /home filesystem. If the instruction to mount
>your /home filesystem on the /home directory is not in /etc/fstab, it's
>because you didn't set the mount point for that filesystem (whether it's
>a partition or a LV) during installation.
ISTR I did, but could be wrong, its quite a ways back up the log by now, so
I'll plead oldtimers. Since I retired at 67 and I've been collecting SS for
8 years already, that isn't too much of a stretch. :)
> (Not that it's clear you need
>to do that during installation... If you know *nix filesystem
>structure, you know what's needed, but if not, it's not clear how you
>find out. I did a fair amount of reading when I first installed RHL
>3.0.3!)
Chuckle, that beats me, my first install was RH5.0.
I need to install F12 here at some point, and it sure would be a hell of a
lot easier if F10 had enough libraries installed to run gparted to prepare a
drive the way _I_ want it and tell anaconda to go pound sand. For instance,
why will it not accept a /boot partition specified for more than 199
megabytes?
Why will it not accept a separate /root partition?
Why will it not accept a separate /var partition?
Or a separate /etc partition?
When I lost my boot drive about a month ago, I used gparted to set a drive up
the way my experience said it should be, then rsync'd everything to the new
partitions, fixed the new drives fstab to use the labels I put on with
gparted, moved the drive to the sata0 connector figuring I could boot the F10
dvd in the rescue mode and do a grub-install. But my F10 dvd had faded, so I
had to get a friend to dl and burn me a fresh copy, which I then used to
install grub. On the reboot I was back to a fully working F10, with one very
noticeable difference, the machine is now 2-3x faster. And has remained so.
All those separate partitions that the installer won't let you do? I'll let
a df report testify.
[root at coyote .kde]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 100790036 9356348 86313776 10% /
/dev/sda1 404470 177420 206168 47% /boot
/dev/sda5 30233896 8013188 20684896 28% /opt
/dev/sda6 30233896 3822808 24875276 14% /home
/dev/sda7 30233896 10849192 17848892 38% /root
/dev/sda8 30233896 4082168 24615916 15% /var
/dev/sda9 30233896 193824 28504260 1% /tmp
/dev/sda10 704924448 91152808 577963560 14% /usr
--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
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