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Message-ID: <20150329095607.GB20528@openwall.com>
Date: Sun, 29 Mar 2015 12:56:07 +0300
From: Solar Designer <solar@...nwall.com>
To: Jeffrey Johnson <n3npq@....com>
Cc: owl-dev@...ts.openwall.com
Subject: Re: Re: removing /var/lib/rpm/__db.00? on rpm upgrade (was: recent updates)
Hi Jeff,
I am sorry I didn't reply sooner. As you can see, things are very slow
here, but it looks like Vasily Kulikov will work on bringing Owl more
up-to-date this year - so we should see some activity, and hopefully by
you and others as well.
On Sat, Feb 21, 2015 at 03:47:22PM -0500, Jeffrey Johnson wrote:
> I've just joined owl-dev@ mailing list and
> will be trying to install 3.1-stable and current
> in the next few days
Great. How did it go?
> > %triggerpostun -- %name < 4.2-owl22
> > # Remove __db.00? files that look like they're pre-NPTL. We may be removing
> > # files that are opened and/or memory-mapped by us (by the rpm process that
> > # installs the new rpm package), but that's OK. The next invocation of rpm
> > # will recreate the files. 4.2-owl22 is when we added this trigger, and we
> > # were already using NPTL at the time, so there is no need to perform the
> > # size check and possibly remove the files when upgrading from newer versions.
> > RPMDBDIR=/var/lib/rpm
> > if [ -f $RPMDBDIR/__db.001 -a "`wc -c < $RPMDBDIR/__db.001`" -le 8192 ]; then
> > rm -f $RPMDBDIR/__db.00?
> > fi
>
> You shouldn't simply remove __db.00? files even if that "works".
> At a minimum, run
> db53_recover -h /var/lib/rpm
> in %posttrans where /var/lib/rpm is quiescent.
Oh. What harm is there in removing these files?
> > We probably need a similar section for the recent rpm update as well.
> > Would both sections fire when upgrading from even older rpm, though
> > (prior to 4.2-owl22)? Would that be OK? I guess so, but perhaps the
> > old section above will become redundant, and thus we need to replace it
> > rather than add another? This needs some thinking and testing.
> Let me catch up with Owl packaging and I'll try to send along a patch.
We'd appreciate a more proper patch, yes.
Thanks,
Alexander
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