Re: [SLE] On-demand caching local mirror?
- From: Stephen Boddy <stephen.boddy@xxxxxxxxxxxxxx>
- Date: Sat, 15 Jul 2006 15:49:08 +0100
On Thursday 13 July 2006 14:43, Stephen Boddy wrote:
On Thursday 13 July 2006 12:28, Carlos E. R. wrote:
The Thursday 2006-07-13 at 10:22 +0100, Kevin Donnelly wrote:
It seems like this would be a sensible addition to SUSE for those of
us with multiple machines, (applying to virtual ones too.)
I agree entirely. I think it's weird that something like this, which
would be really handy in a small office setup, for instance, is not a
YaST module - it's almost as if people are assuming that you will
either have a lonely Linux server on you LAN, or an enterprise-level
800-desk setup, but nothing in between.
Me too
If you are using Smart, one thing you could do is set it not to remove
packages after download:
smart config --set remove-packages=false
and then share that PC's /var/lib/smart/packages over NFS. Then, on
the other PCs, symlink their /var/lib/smart/packages dirs to that NFS
share. Everything downloaded by any PC will then be in the source
PC's /var/lib/smart/packages dir, and any package slated for update on
a PC will be fetched from there if it exists, rather than being
downloaded.
That reminds me. Previously, in 9.3, all updates were locally stored in
"/var/lib/YaST2/you/mnt/i386/update/9.3", but in 10.1 I can't find where
they are, that directory tree no longer exists.
Where are patches stored now?
The trick you mention for smart should be possible with yast, too.
That may work, but has some problems. The folder would have to be writable
for all machines accessing, or it won't work. As a result, any machine that
is misconfigured will erase the "cache".
As to the location, with the changes in 10.1 it's anyones guess to where
they are now. It also assumes that libzypp et al have a similar seperate
cached directory of downloaded rpms, and that multiple machines accessing
it won't cause the machines to trip over each other.
As for smart, once I have a distribution with package management, I'm very
reluctant to use a system not delivered through that distro. i.e. is smart
just another "perspective" on the same files supplied by SuSE? Who updates
the "perspective", and is it done in a timely fashion?
I did come across this page/site though.
http://minkirri.apana.org.au/~abo/projects/
It is /exactly/ the principle I'm thinking of, but it appears to be a bit
out of date, and possibly incomplete. I haven't downloaded it and checked
it out yet. He has some sort of python based VFS (osVFS), and a mirror
program (mirrord) that do this. Probably worth a look, and some of my time
if it works. I'm comfortable with Python so I should be able to get it
working ;-) --
OK, I'm going to eat my words, and do a public turnaround. I've tried smart,
and I'm very impressed. It's fast and clever. I had some conflicts on my main
system (10.0) which were all over the place. 4+ packages with conflicts and
recommendations to delete another dozen or so. I ran "smart fix" and it just
repaired it with fewer, different removals. And it possibly didn't need to
remove all of those, as I was still grokking the interface, and hadn't
enabled all the repositories yet. Also on the plus side is that the tray icon
is more intuitive that the green gecko. Not a problem for me, but it would be
for some of the people I set up for. Love the parallel/mirrored downloads. It
saturated my broadband at a constant 240 KB/s or so, as opposed to YaST
limping along pulling one file at a time, and installing it before
doanloading the next file, all from a single mirror.
The only downsides I've discovered are:
- The lack of "patch-sets", which is not a problem for my home systems, but
might be in a business setting.
- The gtk gui seems rather flaky. More than a couple of minutes usage
accessing varied functions tends to make it go unstable and crash, and
sometimes either the download or install seems to freeze up.
- The gtk download gui at full screen hogs the CPU a bit. (Not sure if that's
Python, GTK, X or display drivers at fault.)
Even with the downsides, as soon as I'd finished with that system I went and
installed on the 10.1 laptop I have. Smart forever!!!!
I know Python, so I might even be able to help out with minor fixes, although
having looked at the code already, it takes a little effort to get your
bearings.
--
Steve Boddy
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- From: Carlos E. R.
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