ADSM-L

Re: FREEBSD + tsm client

2002-03-06 08:11:39
Subject: Re: FREEBSD + tsm client
From: taketoshi ide <ide AT CCUEC.UNICAMP DOT BR>
Date: Wed, 6 Mar 2002 10:07:49 -0300
Robert Clark and Carl Makin,

Many thanks for the tips.
We will stay waiting .... :-(((

Taketoshi Ide

Robert Clark wrote:
>
> It might make sense to put efforts towards an ndmp client, and abandon
> a TSM specifc effort entirely.
>
> (Assuming TSM will be ndmp compatible at some point.)
>
>         Robert Clark
>  The Regence Group
> Storage Administrator
>       503-220-4743
>
>                     Carl Makin
>                     <[email protected]        To:     ADSM-L AT VM.MARIST 
> DOT EDU
>                     IA.GOV.AU>                  cc:
>                     Sent by: "ADSM: Dist        Subject:     Re: FREEBSD  + 
> tsm client
>                     Stor Manager"
>                     <ADSM-L AT VM.MARIST DOT ED
>                     U>
>
>                     03/05/2002 03:09 PM
>                     Please respond to
>                     "ADSM: Dist Stor
>                     Manager"
>
> Hi Taketoshi,
>
> On Wed, 2002-03-06 at 08:11, taketoshi ide wrote:
>
> > Our system:
> >       TSM SERVER 4.1.2 on IBM AIX 4.3.3   .
> >       TSM CLIENT B/A 4.1.2 LINUX on FREEBSD 4.5-RC
>
> > We have problems with backup/restore . It doesn't work for some file
> > systems.
> >  We used "emulator linux" for freebsd to install tsm client.
>
> This is a known problem with linux backup software running under linux
> emulation on FreeBSD.  The emulation environment basically overlays the
> /compat/linux directories over / for linux binaries which means the
> linux dsmc executable never sees the real /, /usr and /var filesystems.
>
> There is currently no easy solution.
>
> The best solution would be for IBM to produce a client for FreeBSD and
> the other BSD systems but I doubt that is going to happen.  The next
> best would be for IBM to release the source to a v3 client and let us
> port the damn thing over. There would be plenty of people willing to do
> that!  But while IBM may have "embraced" linux, there is little
> indication they have embraced open source. :(  The current bizarre TSM
> licensing doesn't help that either.
>
> Another partial solution is to run the SCO v2 client instead.  It's
> ancient but the command line client works under iBCS2 emulation and
> since there are no /compat/iBCS2 directories it can see all FreeBSD
> filesystems.  The big drawback is a 2Gb file limit which has bitten us
> occasionally.  I have this client packaged up as a FreeBSD package if
> you want it.
>
> There are others in the FreeBSD community trying to run this client.  At
> least one I know has disabled the filesystem mapping entirely (search
> the FreeBSD-Stable mailing list at www.freebsd.org).  Not a good
> solution for us though.
>
> I've been playing with using a nullfs mount into another filesystem to
> attach the 3 problem filesystems and then backing them up indirectly.  A
> little nasty but shows promise.  The linux client has been flaky and
> difficult to install given it's now packaged as an RPM and the nullfs
> filesystem hasn't been too stable but I suspect this is how we'll
> finally make it work.
>
> TSM is pretty good. It's a pity IBM haven't realised yet that there are
> a lot of sites running FreeBSD that would be happy to pay for TSM
> licences if they had a supported client.  More than some of the clients
> that they officially support I suspect.
>
> Carl.
>
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