How do you make the image of the directory tree? Sorry, I don't spend enough
time with UNIX to have learned that yet.
I have typically done something similar to transfer data files, using a Mac
- transfer the files to the Mac, and burn the CD from there. Since you can
transfer an entire directory at a time, this preserves the directory
structure. One small problem that I've run into (which I think would also
show up using your method) has to do with file names: since UNIX sees a
difference between upper and lower case, it can hold two files called "Data"
and "data" in the same directory. Macs and PCs say that they're equivalent
names, and balk at putting them both in the same directory. So, you'd like
to make sure that your users' naming conventions give unique (from a
case-insensitive point of view) names for each file.
William Thurmes, Ph.D Manager of FLC Supply
Displaytech, Inc. 2602 Clover Basin Dr. Longmont, CO 80503
P (303)772-2191 F (303)772-2193 thurmes_at_displaytech.com
We live in a world exquisitely dependant on science and technology, in which
hardly anyone knows anything about science and technology - Carl Sagan
-----Original Message-----
> From: gopal subramaniam [mailto:gsubrama_at_qc1.qc.edu]
> Sent: Friday, April 12, 2002 2:00 PM
> To: ammrl_at_chemnmr.colorado.edu
> Subject: Burning CDs on SGI - Use PC/Mac
In the past I have seen a few messages here about finding a cheap solution
for burning CDs on SGI.
Unfortunately the commercial software for IRIX is expensive (around $1000)
and the free software 'cdrecord' somehow did not work for me (mainly I had
SCSI termination problems & buffer underruns).
As an alternate, I utilized my PC to burn these data CDs. The method has the
following steps.
(1) Make an image of the directory tree that needs to be backed up.
(2) Ftp the image file to PC.
(3) Burn the CD from this image file.
The process is very smooth and proceeds without any problems. With a write
speed of 1.2 Mbps, it takes about 8 minutes to write 600 Mb of data. The CD
is now readable on any machine and the complete unix directory structure
will be visible.
Even though I haven't tried, I expect Macs can be used for burning CDs in a
similar manner.
The only drawback with this system is creating multi-session CDs.
I am interested to know whether any one has successfully recorded CDs using
'cdrecord' directly on SGI using IRIX.
--
Gopal Subramaniam,
NMR Manager, Dept. of Chemistry & Biochemistry
Queens College, Flushing, NY 11367
Received on Mon Apr 15 2002 - 18:38:33 MST