Mailinglist Archive: opensuse (1352 mails)

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Re: [opensuse] a little help with Leap 5
  • From: "Knurpht @ openSUSE" <knurpht@xxxxxxxxxxxx>
  • Date: Sat, 02 Jun 2018 21:39:36 +0200
  • Message-id: <1790966.MraCSt0Eb7@knurpht-hp>
Op zaterdag 2 juni 2018 21:14:59 CEST schreef Carlos E. R.:
On 2018-06-02 01:11, don fisher wrote:
I have been having a lot of trouble with upgrade, so pardon this if
stupid question.

So after your troubles with upgrade, you try fresh install. Understandable.

Do you have a backup of your old system?

I do not use LVM. When I boot the Leap 15 DVD and try to set up
partitions, I get 6 rather that the usual 3 generated under 14.3. For
some reason, that I can probably research on google, it sets up
partition 1 as a BIOS boot partition. Not sure why this is required.


Confirmed, everything works even if it's not mounted, if one removes is the
result is an unbootable system. Even though examining it shows that it has not
been touched in any way.
Not always, but I think it is now always created if the disk is
partitioned with GPT - probably all new disks are now using GPT. And all
new computers have UEFI, which is designed to work with GPT (of course,
Legacy MBR is supported). So YaST defaults to create that partition.
Better do it than fail because does not exist. And better now than cry
later because there is no space for it.

AFAICT I've only seen it on systems with UEFI/Secureboot enabled. That would
need GPT partioned disks. I'm a firm believer in knowledge and craftmanship of
the (open)SUSE devs and packagers so I leave it there, but I can understand
the reasoning of users/admins that a non mounted partition is of no use, so
remove it. One more reason to trust the devs/packagers and take the proposal
made by the installer at least where I don't know a reason not to accept it.
Sizes, data mountpoints etc are mine, these system things I leave up to the
builders of the distro.

Anyway, that partition is really tiny, about 8 MB. It doesn't matter,
just let it be even if unused.

But
then it sets up partitions 2 and 3 as BtrFS partitions, then partition 5
as another BtrFS partition mounted as root. Then partitions for the
usual swap and home file systems.

Why are there 3 BtrFS partitions? The only comment I can find, all the
way in Release notes:7 technical, is that there is a single subvolume
for all of /var.

Ok, probably it is only a single btrfs partition with several
subvolumes. It has to be done that way because some directories need
different settings; there is not a single setting that applies fine to
all directories. Things like do snapshots to this one but not to this
other. And there are less now than before, because the rpm data has been
moved off /var.

I changed the root file system type to xfs and was able to generate the
3, (4 with BIOS boot), partition layout I am familiar with.

"/" on XFS with no boot partition? Last time I tried that I failed, but
maybe it works on GPT plus bios partition. I'll have to consider that.

My personal choice is ext4 for "/", XFS for home, since many years.
Before it was ext3, before it was reiserfs.

Comments please.

All good.

However... you do not preserve your old /home? Or is it a new disk?


--
Gertjan Lettink a.k.a. Knurpht
openSUSE Board Member
openSUSE Forums Team



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