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Writing CD-Roms compatible with IRIX - Printable Version

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Writing CD-Roms compatible with IRIX - bjames - 08-13-2018

This has always stumped me.

When writing to a CD-Rom in a windows 7 system, I noticed the long file names get truncated when reading the CD-Rom in IRIX.

Is there a recommended process to write files to CD-Roms and preserve the file names.

On a side note, I have a 1.4gig Tar.gz file I want to copy from the Windows 7 PC. Will most CD-Writers allow me to span the file across 2 CDs in a way IRIX will see the files?

Re: Writing CD-Roms compatible with IRIX - Irinikus - 08-13-2018

Once you've made 5 posts, PM Trippynet, as he recommended a CD writing program to me in the past that works very well.

My PC isn't available to me at the moment and I can't remember it's name, but he will.

If you had a Mac, writing the discs would be simple! ;D

Re: Writing CD-Roms compatible with IRIX - bjames - 08-13-2018

I do have a 2009 iMac, but its sitting in a corner of my storage room. I assuem it takes 5 posts to unlock PMs.

Re: Writing CD-Roms compatible with IRIX - Irinikus - 08-13-2018

<QUOTE author="bjames" post_id="2362" time="1534190913" user_id="319">
bjames post_id=2362 time=1534190913 user_id=319 Wrote:I do have a 2009 iMac, but its sitting in a corner of my storage room. I assuem it takes 5 posts to unlock PMs.

That's correct, you should be good to go now.

Re: Writing CD-Roms compatible with IRIX - gijoe77 - 08-14-2018

I use an old version of nero, I forget but I think you need to use joliet ISO format, that doesn't truncate the filenames. off-hand what comes to mind is you can use winrar and split the rar file into chunks of a desired size (700MB each or whatever). You could also use cygwin or some linux-ish equivalent that runs on top of win7, and just use the linux/unix split command, then cat it back together on irix

Re: Writing CD-Roms compatible with IRIX - jpstewart - 08-14-2018

You might need "Rock Ridge" extensions rather than "Joliet".

If Windows can't see long filenames either, then you've used no extensions. If Windows can see long filenames, you're already using Joliet, as gijoe77 suggested. (Plain ISO9660 CD-ROM filesystems only support 8.3 filenames.)

Back in the day Rock Ridge was for Unix systems and Joliet was developed by Microsoft. So I suspect IRIX only supports Rock Ridge. You should be able to create a single CD that uses both extensions simultaneously to work on all systems.

Re: Writing CD-Roms compatible with IRIX - gijoe77 - 08-14-2018

Another trick I just thought of if your in a pinch is you can rar everything you want to put on a CD and just name the rar file "file.rar" or something like that. It won't matter about the 8.3 limitation, when you unrar the file on IRIX, all the filenames will be preserved via rar

Re: Writing CD-Roms compatible with IRIX - bjames - 08-14-2018

Thats kind of what I was wondering myself. If I split the folders/files into 2 separate TAR files, then when writing to CDRom it would only truncate the Tar file but not the packaged files as they are internal to the file being written.

Thanks guys.. I will also look at the Rock Ridge.

Re: Writing CD-Roms compatible with IRIX - Trippynet - 08-15-2018

It's worth noting the tool I've used before is for writing IRIX images to CD where the filesystem is EFS. ImgBurn can do this (and is free), but it's just an image writing tool - not a tool for authoring CDs from scratch.

For transferring stuff to my SGI systems, I generally use the network.

Re: Writing CD-Roms compatible with IRIX - PA8600 - 08-15-2018

If your IRIX is networked I'd transfer the files over SFTP or FTP instead. It's faster, you don't waste discs, and it'll "work" on the SGI.