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List:       opensuse-factory
Subject:    Re: Heads up: UsrMerge impact imminent
From:       Roger Oberholtzer <roger.oberholtzer () gmail ! com>
Date:       2021-06-08 12:26:18
Message-ID: CANkOqwM7bSUkBf57iMXDPQX0U8ZVybJ2nni9WDnTDwt04kO3_w () mail ! gmail ! com
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I did a zypper dup of my Tumbleweed system (last done May 15 ish)

Sad to report that the filesystem install failed. It totally messed up
my system. Sigh. Not a single command works at all.

I have btrfs and snapper is enabled. I have not had to do this before,
so I am asking: how to boot the system into the snapshot before this
failed dup?

On Tue, Jun 8, 2021 at 6:32 AM Ben Holmes <osuse_mail@weirdies.net> wrote:
> 
> G'day Tumblers,
> 
> To be honest, I did not actually read the list before a dup. I often do, but this \
> time I was doing other things and just never got time. 
> I started with a normal dup, but I noticed it was big. So I pre-downloaded it \
> because sometimes I get repo timeoutes. 
> During the day, while I was working (using the laptop I was updating), I ran \
> "zypper dup -l --download-only" 
> I thought, wow, this is huge, maybe I should find out why.. but then it was getting \
> late, so I just ran: 
> zypper -n dup -l
> 
> Then went to bed.
> 
> I did it in konsole, with everything running normally.
> 
> I have a few repos enabled...
> 
> bh-lenlap:~ # zypper lr -E | wc -l
> 41
> bh-lenlap:~ #
> 
> Yeah, that is probably not great, but what can I say, I like to live dangerously.
> 
> And..
> 
> It worked great. I did not notice anything.
> 
> The next day I had to remove a snapshot or two because I was at 99.1% of storage on \
> /, but other than that, nothing to report. 
> If I knew this was what it was I may have run zypper in a VT or even in screen, but \
> thanks to the excellence of the package maintainers, I was left with a working \
> system. 
> It was only *after* reading through the mailing list today I did an "ls -l /" and \
> noticed the change. 
> Wow. There is some real attention to detail there.
> 
> You guys are absolutely awesome.
> 
> I am not advocating for a complete lack of caution, but these days zypper seems to \
> rarely crash out IMHO. 
> -- Ben
> 
> On 7/6/21 10:55 pm, Ludwig Nussel wrote:
> 
> Martin Wilck wrote:
> > On Mo, 2021-05-31 at 13:53 +0200, Ludwig Nussel wrote:
> > > 
> > > Due to the full rebuild and activation of gcc11 as default compiler
> > > the
> > > next snapshot will be a big one, so make sure to have sufficient disk
> > > space.
> > > 
> > > If you are not on btrfs with snapshots and are nervous to break the
> > > system you may want to make sure eg busybox-static is installed. So
> > > if
> > > thing unexpectedly go wrong you have the tools to complete the
> > > usrmerge
> > > manually. There is no way back.
> > 
> > Is it recommended e.g. to switch to text mode before dup'ing?
> 
> Not more than usual IMO. I'd always run zypper in screen or tmux though
> to make sure it continues in case the GUI dies.
> 
> cu
> Ludwig
> 
> --
> (o_ Ludwig Nussel
> //\
> V_/_ http://www.suse.com/
> SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer
> HRB 36809 (AG Nürnberg)



-- 
Roger Oberholtzer


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