09-10-2003, 04:50 PM
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Web Hosting Evangelist
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Join Date: Jun 2001
Posts: 473
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Do you need CD-rom player ??
Hi Guyz.
When you buy servers for colo, do you always include internal cd-rom. Or do you just buy one external cdrom instead of buying internal cdrom for each single of them??
I am asking for a couple of reasons.
1. we will be purchasing 1U servers. Without internal cd-rom. It means an extra HDD space for us.
2. with 1U servers, slim cdrom is required. So its tends to be more expenive. Something like $60 each and they do add up when you purchase soemthing like 20-30 servers.
Anyway, would one external cdrom do the job?? Is there any downside of using external cdrom player instead of internal cdrom??? I heard when kernel panic, you cant reboot via external cdrom?? Is that true??
All comments are welcome. Thanks in advance.
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09-10-2003, 04:58 PM
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Web Hosting Master
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Join Date: May 2001
Posts: 8,070
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If I am not wrong, an external CD-ROM (USB) would not be recognized at boot up but only recognized after the system boots up and drivers running.
How often would you be using the CD-ROM drive anyways ? I guess it would just be for the initial set up and then everything else would probably be from the net.
Maybe get 1 slim CD-ROm drive instead of 30. Then install it into the machine, do the set up and remove it and start with the next. It may be a little trouble opening up the casing and wiring it in but at least it works.
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09-10-2003, 05:53 PM
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Web Hosting Master
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Join Date: Feb 2002
Posts: 1,040
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We always now install cd roms just in case something happens you same at least 10 mins getting the tech to open up the case and installing a cd rom before starting to work on the problem etc.
We know time is money in this business 
Regards
Phillip
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09-10-2003, 08:34 PM
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Premium Member
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Join Date: Mar 2003
Location: Saint Paul, MN
Posts: 817
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I'd once entertained the idea of actually selling the space on the CD-ROM for hosting; make sure it gets mounted at reboot, put a symlink in /home/username to point to the cdrom, and then have some wacky "send us your site on a CDR" deal... 700MB, potentially, of static storage for a really good deal, plus bandwith...
but CD-ROM drives really aren't made for the kind of abuse that's receive, and while the transfer rates are OK, the seek times are not.
Hey, I never said it was a *good* idea.
I have a couple of external SCSI CD-ROM drives that can be connected in a jiffy, if needed, but mostly they're just used for the install, and that's it.
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09-10-2003, 10:06 PM
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Web Hosting Master
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Join Date: May 2003
Location: In History
Posts: 4,438
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Actually you don't need a CD-Rom
We have numerous 12" 1u machines with no CDRom used for various, non customer hosting stuff...
USB CDRom's will be recognized on boot by most servers with decently new bios firmware if you go into the bios and choose USB CDRom as your boot device.
USB Floppy also works well.
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09-10-2003, 10:18 PM
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Web Hosting Master
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Join Date: Jun 2001
Location: Denver, CO
Posts: 3,210
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Yep, I agree. We began to order servers w/o CDROM lately and it hasn't been an issue. Booting off a USB CD-ROM works quite well.
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09-10-2003, 10:43 PM
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Web Hosting Master
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Join Date: Jan 2003
Location: Lake Arrowhead, CA
Posts: 789
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In 1u cases I use either slimline CD+FD or no CD or FD at all. With network, USB and other boot options, there's no real reason to have cd (or even fd) in every machine.
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09-11-2003, 01:13 AM
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Web Hosting Master
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Join Date: Nov 2002
Posts: 2,780
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I would say do the Network Boot. Then there is no need to connect anything at ALL!
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09-11-2003, 01:58 PM
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Junior Guru
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Join Date: Jan 2002
Posts: 229
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I've actually started using those little portable USB drives. I have a pair of 512 MB pen drives and the BIOS in my servers will even boot from USB. This is a newer and welcome development.
I can boot from a pen drive, copy the image down and use the second one for much of the "standard" application stuff that I need. Pretty fast, convenient and certainly cheaper than a CD-ROM in each box.
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09-12-2003, 07:03 AM
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Web Hosting Master
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Join Date: Mar 2000
Posts: 731
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Quote:
Originally posted by Potsie
I've actually started using those little portable USB drives. I have a pair of 512 MB pen drives and the BIOS in my servers will even boot from USB. This is a newer and welcome development.
I can boot from a pen drive, copy the image down and use the second one for much of the "standard" application stuff that I need. Pretty fast, convenient and certainly cheaper than a CD-ROM in each box.
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I was just going to say that.
Get quality ones; a lot of people notice speed improvements over cheaper ones; for a nominal fee.
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09-12-2003, 10:25 AM
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Web Hosting Guru
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Join Date: May 2002
Location: Minneapolis
Posts: 339
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I never thought about doing this.
With the cdrom drive gone i'm sure it allows more room for air flow.
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