Thanks for the tip. What we are talking about at the current time is 100-200 
small files (KB, not GB or even MB) per week, so performance will probably not 
be a factor. 

If it is necessary to do any bulk transfers, we will probably use VMFTP.


Regards, 
Richard Schuh 

 

> -----Original Message-----
> From: The IBM z/VM Operating System 
> [mailto:ib...@listserv.uark.edu] On Behalf Of Richard Troth
> Sent: Thursday, October 15, 2009 11:01 AM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: Access Linux Files From CMS
> 
> Agreed.
> And it's not just a BFS or OpenVM thing, it is the nature of 
> NFS: not best for bulk transfer.
> 
> For bulk transfer, you can use FTP (pleh!) directly to/from 
> CMS or you can rsync or scp with a Linux guest which plays 
> PUN/RDR with CMS land.
> 
> -- R;   <><
> 
> 
> 
> 
> 
> On Thu, Oct 15, 2009 at 12:56, Gentry, Stephen 
> <stephen.gen...@lafayettelife.com> wrote:
> > I'd like to mention a caveat.  It's been my experience that NFS and 
> > BFS aren't the fast thing running.  It's ok for small files but for 
> > big files, like 2 or 3 gig and above, it is painfully slow.
> > We looked at off loading some file backup processing from our open 
> > systems to VM and copying the files from the open system 
> servers to VM 
> > took a long time.  Even with some tuning, things didn't get 
> much better.
> > We scrapped the idea.
> > Steve
> >
> >
> > -----Original Message-----
> > From: The IBM z/VM Operating System 
> [mailto:ib...@listserv.uark.edu] 
> > On Behalf Of Richard Troth
> > Sent: Thursday, October 15, 2009 12:39 PM
> > To: IBMVM@LISTSERV.UARK.EDU
> > Subject: Re: Access Linux Files From CMS
> >
> > Let me second what Dave Jones said: try the CMS NFS client. 
>  If you're 
> > using CMS to manage Linux guests, it's a really handy tool.  For 
> > example, consider that Linux is running NFS to share a directory 
> > called "/export/stuff".  You could:
> >
> >        openvm mount /../VMBFS:VMSYS:ROOT/ /
> >        openvm run /bin/mkdir -m 555 -p /import/stuff
> >        openvm mount /../NFS:linuxhostname/export/stuff /import/stuff
> >        openvm getbfs /import/stuff/the.file the file a (olddate
> >
> > Look into the TRANS|NOTRANS option for both 'mount' and 'getbfs'.
> > Look into the LIST|NOLIST and other options for 'mount'.
> > And of course the REPLACE option for 'getbfs', if needed.
> > VM TCP/IP client tools disk required.
> >
> > The CMS NFS client requires that you have a (non-NFS) byte 
> filesystem 
> > mounted as the root.  (You do not need the rest of the shell and 
> > utilities functioning for this example, except for the 'mkdir'
> > command.  You do NOT need to launch a shell.)  The nature of POSIX 
> > mounts is that there be an empty directory already at the 
> point where 
> > you want to mount.  (Thus the 'mkdir' command.)
> >
> > -- Rick;   <><
> >
> >
> >
> >
> >
> > On Thu, Oct 15, 2009 at 11:28, Schuh, Richard 
> <rsc...@visa.com> wrote:
> >> We have a need to be able to access files on a Linux 
> system from CMS
> > in a
> >> different LPAR. Never having done this, the specifics of 
> how to do it
> > are a
> >> mystery waiting to be solved. What are the steps that need 
> be done in
> > order
> >> to accomplish this? Is there a procedure for doing it documented
> > somewhere,
> >> a Redbook perhaps? Any pointer to speed us on our way will be
> > appreciated.
> >>
> >> Regards,
> >> Richard Schuh
> >>
> >>
> >>
> >
> 

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