[csw-users] Why this strange behavior coping /opt/csw

[Yann Rouillard]

Hi Harry,

I don't know it is the case here, but often a difference of size after cp
or rsync is caused by hardlinks not being preserved.
Try to add the -H option to rsync to see if that changes something.

Yann


2013/8/31 Laurent Blume <laurent at opencsw.org>

> On 2013-08-29 10:17 PM, Harry Putnam wrote:
> > Running Openindiana (solaris branch) and using some csw tools too.
> >
> > csw stuff is installed at /opt/csw.  Since my root pool space is
> > shrinking I thought I might move all of /opt off on a different zpool
> > on a different disc.  Then just put a symlink in place at /opt.
>
> Using a symlink is a terrible idea, and furthermore - why? You can just
> set your new dataset mountpoint to be /opt.
>
> To be clear: if you use symlinks, updates expecting it to be a directory
> can just remove the symlink and recreate as an empty directory. This was
> particularly true in S10; on IPS, I expect that "pkg fix" would not be
> happy about them either.
>
> > I decided to do it with rsync and after rsyncing everything to /t1/opt
> >  (rsync -avv /opt/ /t1/opt/ )
> >
> > But when I check the result with du I find a huge difference in size.
> >
> > the original /opt shows 355 MB but the copied opt shows only 173 MB
> >
> > I thing tried with copy  using gnu copy  and did 'cp -a' /opt/t1/
> >
> > Again it comes up with the big difference in size..
> >
> > Any ideas what could explain that?
>
> Posting exactly what you did would help understand. Also, you can do a
> "find . | sort > file" in each directory and compare the files.
>
> Laurent
>
>
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