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paulsiu
Joined: 16 Jan 2007 Posts: 187
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Posted: Thu 25 Jan 2007, 12:55 Post subject:
Multisession DVD/CD is just too unpredictable Subject description: The feature works, but too bad there are so many incompatibility issues |
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The multisession DVD or CD sounded really cool. I burned a DVD and tried it on several machines:
Laptop 1 - Works great
Laptop 2 - works great
Desktop 1 - Can't boot
Desktop 2 - Can't boot
Desktop 3 - can't boot
In all cases, it would appear that all of the sessions can be seen, just not boot into. I decided to see if switching to a CD-R would work better.
Laptop 1 - Works great
Laptop 2 - works great
Desktop 1 - works great
Desktop 2 - Can't boot
Desktop 3 - can't boot
Basically, not much better. It's probably not puppy's fault, but perhaps there are incompatibility issues with multisession CD's. The DVD drives aren't really all that old either, one of the failure was on a NEC 3550A, which has dual layers.
The charm of mutlisession DVD is the ability to keep everything on a CD or DVD, so you can boot from any computers. The problem is that it doesn't work on every computer. I am going to look into a USB key instead. May be carry a floppy for those machines that cannot boot from USB.
Paul
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Inuyasha

Joined: 21 Jul 2007 Posts: 118
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Posted: Sat 28 Jul 2007, 13:34 Post subject:
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It's probably because hardware devices are sensed by the OS during the first boot. After saving, all hardware configuration is saved. I suppose, however, that you could block out current sessions from loading and have a session-selection process for various computers. Or you could make a multi-boot DVD. Perhaps you could boot to a single section and save the sessions of that particular OS, pseudo-partition.
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Dougal

Joined: 19 Oct 2005 Posts: 2504 Location: Hell more grotesque than any medieval woodcut
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Posted: Sat 28 Jul 2007, 14:43 Post subject:
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Inuyasha wrote: | It's probably because hardware devices are sensed by the OS during the first boot. |
No, they're always detected at every boot.
_________________ What's the ugliest part of your body?
Some say your nose
Some say your toes
But I think it's your mind
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Scoticus

Joined: 01 Jan 2007 Posts: 443 Location: Erskine, Scotland
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Posted: Sat 28 Jul 2007, 16:07 Post subject:
Multisession DVD/CD is just too unpredictable |
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I had a lot of difficulty in geting multisession to work. I tried the lot and finally ended up using DVD+RW which I found to be the best for me.
It looks like that Puppy is rather fussy about which disks are used so you may have to use a bit of trial and error. I ended up using the Philips brand. I also have plenty of coasters from all my attempts.
Hope you can get one size fits all.
Ian
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Flash
Official Dog Handler

Joined: 04 May 2005 Posts: 12821 Location: Arizona USA
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Posted: Sat 28 Jul 2007, 16:40 Post subject:
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I'm sorry to hear multisession is not for you. What surprises me is that it works for you on laptops but not desktops. That's opposite of what most people report.
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Inuyasha

Joined: 21 Jul 2007 Posts: 118
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Posted: Sat 28 Jul 2007, 17:30 Post subject:
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Dougal wrote: | Inuyasha wrote: | It's probably because hardware devices are sensed by the OS during the first boot. |
No, they're always detected at every boot. |
Really? I guess that makes sense.
Sorry to all involved in reading this thread.
However, wouldn't that conflict if a person saved a session; thus, the session's hardware configurations would override hardware sensed during boot?
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Flash
Official Dog Handler

Joined: 04 May 2005 Posts: 12821 Location: Arizona USA
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Posted: Sun 29 Jul 2007, 00:33 Post subject:
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Personally, I do not use a multisession DVD as a portable OS, though it may work in another computer in a pinch. I consider it as a replacement for a hard disk drive, where it can be used (a computer with a DVD burner and lots of RAM.) I ran Puppy from multisession DVDs for a year or so in a computer without a hard drive at all. It worked well for me. As the number of saved sessions on the DVD increases, it takes longer to boot. I've thought of a way around that, but implementing it is beyond me. I'd be happy to explain it if anyone is interested.
_________________ Puppy Help 101 - an interactive tutorial for Lupu 5.25
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