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SCSI setup

I wonder if anyone can help with both the physical setup & configuration of a scsi drive in a tower server i have.  I'm not sure what information you need in order to help me.  Basically, there are 2 HD's.  There is a PCI card w/ IDE 1, and IDE 2.  I'm unsure how to configure the IDE cables, jumper settings, etc.  Should the IDE cables form the drives plug onto the PCI card in slots one & two respectively, or should one drive plug onto the IDE slot on the motherboard.  Then, when physical setup is done, how do i configure?  Any and all help is greatly appreciated.
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jebarr
Asked:
jebarr
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1 Solution
 
LucFCommented:
Hi jebarr,

Your question is a bit confusing...
Are you talking about a SCSI disk or IDE disks?
Both need a different controller and also are handled differently.

Greetings,

LucF
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jebarrAuthor Commented:
well.....this server worked previously.  During boot, i remember the option to run fastrack and another scsi utility, so i assume scsi disks.  also, there was information during boot about "stripe" array?  Hope this helps.
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LucFCommented:
jebarr,
Looks to me like you're using SCSI, it's pretty easy to check in most cases.

So.. if I get it right, you want to add another disk to the allready configured array?
If so, you can't do this right away due to the nature of most controllers. And also a striped array has no redundancy. If one disk dies, everything is gone.
It might be best to just add the disk to make it a single disk.
Please take a look here:
How do I properly connect a SCSI devices?
http://www.jsiinc.com/SUBH/tip3900/rh3949.htm

LucF
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jebarrAuthor Commented:
I'm not looking to add a disk.  What happened was (don't laugh too loud) I attempted to reinstall Windows 2000 Server so i could change the existing domain to the domain of my choosing (this is my first attempt, by the way).  During the install, i received a blue screen w/ a fatal exception error.  I tried again several times with the same result, so i assumed that either the drive, the controller, or the cables were faulty.  I pulled the drives to test them in another server, & they work.  However, when i attempted to reinstall the disks, i can't seem to get them back as they were.
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Pete LongConsultantCommented:
Afternoon Luc

Imalso confused ith there only 2 physical drives in this machine? if so they are both on an IDE bus? then even if you see fasttrack it dont mean you are using SCSI

there may be SCSI on the motherboard with nothing plugged into it
or
They may be a FASTTrack RAID controller on the IDE PCI cards


As for cabling and jumpering for IDE (or EIDE) there is no difference to setting up in a client PC, two IDE busses each supporting two devices

Adding a new IDE Drive

Most computers have two IDE channels (IDE0 andIDE1), which are presented on the motherboard as two large (40 pin) sockets, or in your case on a PCI Board

( NOTE: Some PC’s have built in RAID capability and may have more than two IDE sockets (consult the motherboard handbook)

Each of these sockets can support two IDE devices, (giving you a total of four IDE devices)

Open the PC case and have a look, you will see your existing hard drive is connected to the motherboard with a ribbon cable.

IMPORTANT: you will see one side of the ribbon cable is RED or has red flecks on the wire " this indicates PIN1 " Take note which way round it plugs into the motherboard so you know at which end on the socket PIN 1 is at.

You may only have a Ribbon cable that has two sockets on it, if so you will need to get another ribbon cable with three sockets on it.

You will also need 12volt power for the drive ensure you have a spare "Molex Connector" coming from the power supply unit, if you are unsure what it looks like there will be one plugged into your existing drive (Its usually white and has 4 wires going into it (colours vary but the middle two wires are usually black) and don’t confuse it with the "Mini Molex" connector which is for floppy drives.

Now you know you have the correct cabling you will need to "Jumper" the drives correctly. On the rear of each IDE drive will be some pins with a small plastic jumper pin (sometimes more than one, don’t be alarmed.) Settings for different drives vary, but you need to set one as MASTER and the other as SLAVE (If you are putting two drives on the same ribbon cable - If you are only putting one device on the cable set it to MASTER or CABLE SELECT.)  Look on the drive as jumpering varies depending on manufacturer, If you can’t find it written on the drive, or in the supporting paperwork, hunt around on the Net. If you only have six jumper pins the rule of thumb is, from left to right - CABLE SELECT, SLAVE, MASTER) though this is not ALWAYS the case.

Now bolt or screw the drive into the case, if it’s a hard drive you can buy rails to fit it into a 5.25 inch (CDROM size space) should you not have a spare 3.5-inch bay.

Now plug the ribbon cable to the motherboard (Remember PIN1 must be at the right end - even with modern cables, that are designed to go in one way round only its possible to force them in the wrong way round)

Now plug the ribbon cable into the Drive(s) PIN1 usually goes towards the socket for the molex power lead. (But check the manufacturers paperwork for details, as there are a few exceptions to the rule!)
If you are fitting a CD drive there may also be an Audio lead that goes from the drive to either the soundcard or the motherboard (if you have built In sound)

Now you’ve got everything in place, cabled and jumpered, power the system up (DON’T put the case back on yet) Your BIOS may beep to say it’s detected a new drive. Just follow the onscreen instructions to accept this.

All being well you should now see the drive in windows. (Put the case back together)

If you don’t, reboot and go into the BIOS and check that,
a.  The IDE channel it’s plugged into isn’t disabled.
b.  The BIOS can see the drive.

Check all the drives, cabling and jumper pins, if the drive ejects when you press the eject button you know you have power.

Go back in to Windows and run "add new hardware wizard" (From the control Panel) and follow the on screen prompts.
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LucFCommented:
Afternoon Pete :o)

>> I pulled the drives to test them in another server, & they work.  However, when i attempted to reinstall the disks, i can't seem to get them back as they were.<<
From a striped array?? Hmm you'll have a very hard time restoring if even possible, in the SCSI setup, try rebuilding the array.

LucF
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jebarrAuthor Commented:
I'm sure I am confusing you (i'm very confused myself).  In a standard PC (or all I've seen), there are the 2 IDE sockets on the motherboard.  However, this server has a card plugged into the motherboard, just above the NIC, which says PCI local bus, & has 2 IDE sockets, IDE 1 & IDE 2.  What is that card?  Also, I'm sure I will have to rebuild the array (that's the other part I'll need help with if we ever get there).  
I guess i need to know the best setup.  If i gave you a tower with 2 drives, and the available sockets as I've described, how would you configure? (i.e. RAID, IDE, etc.).  I'm sorry I am so confusing

Also, I remember during boot a statement about PromiseArray, and at one time, the array was Mirrored
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LucFCommented:
Ah... you have a PCI IDE RAID controller and you're trying to add the disks back to it.
If you don't remember in what order the disks where connected, it'll be pretty much guess work. And if one disk had died, you're out of luck on the data. It's gone.

If you do remember in what order the disks where connected (as in... master/slave on IDE1/2) than there is a fair chance.
Just open up the RAID setup (you should see something like "press XX to enter RAID setup") from there, you'll have to rebuild the array after the connections have been made.
Did you move any jumpers on the disks? If not, see if one is set to Master and the other to Slave. If so, both will need to be on the same cable. If both are Master, they both need their own cable.

LucF
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jebarrAuthor Commented:
Each disk has its own cable.  I'm not at all worried about saving the data.  As I said earlier, i need to reinstall 2k server anyway.  
Do both the disks plug onto the PCI IDE Raid controller, or does one plug onto it while the other plugs into the original IDE controller on the motherboard?  Also, if they each have a cable, are they both set to master?
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LucFCommented:
Oh... if you don't need the data anyway, it's getting easier :)
Both disks should be connected to the IDE RAID controller.
Best is to put both on Master (yeah, they need to be on their own cable then) for optimum speed.
Now, you'll have to consider for yourself if you want Redundancy or plain speed.
Please see these pages:
RAID Level 0 : Striped Disk Array without Fault Tolerance
http://www.raid.com/04_01_00.html

RAID Level 1 : Mirroring and Duplexing
http://www.raid.com/04_01_01.html

Both can be setup with the controller you have. Just follow the instructions, it's pretty straight-forward.
Then, after you've done so, you'll need to setup windows on the array. Just boot from your windows cd-rom and at the beginning of the installation, you'll be asked "Press F6 to install thirth party SCSI controllers" At that time, press F6 and insert the disk that came with the controller to let it install the drivers for the PCI IDE RAID controller.
Then, setup windows like you're used to and you'll see you won't get any scary BSOD's anymore :)

LucF
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jebarrAuthor Commented:
That was a terrific answer & I thank you.  One last question, though (should be simple)  They are maxtor drives.  I don't believe I changed the jumper settings.  However, the pin configuration is currently at CS (cable select), not on master.  Is this okay?
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LucFCommented:
Yes, CS (Cable Select) is fine in your case. Just leave them the way they are.

Good luck and let us know if you run into any troubles.

LucF
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jebarrAuthor Commented:
I think one of the drives did fail....i received an error that disk 2 was unavailable.  
I should be able to load Windows with just the one drive, though, so I guess I'll just keep going.
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jebarrAuthor Commented:
Well, that didn't work.  Duuring windows setup, I recieved an error that setup did not find any hard disk drives installed on my pc.  Not sure how to procede
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jebarrAuthor Commented:
Actually, it may be the PCI IDE controller, if neither drive is being detected.  What do you think?
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LucFCommented:
Check the setup of the controller itself, you'll have to be able to get them (or at least one) recognized by it.

But, you said:
>>I recieved an error that setup did not find any hard disk drives installed on my pc.<<
Did you install the driver for the controller yet?

LucF
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jebarrAuthor Commented:
no, i guess i didn't.  Tell me the process if you can.  I think i need to boot from cd, & install the 3rd party device during the initial stages of setup (or am i way off?)
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LucFCommented:
Yes, that's what I meant.
Do you have a disk with the controller allready?
If so, you'll need to use that one. Otherwise, please let me know what controller you have (the model no. should be on the bottom of the card) and I'll find the right driver for you to put on a disk.

LucF
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jebarrAuthor Commented:
No, I don't have a disk for it (I'm sure there's one here somewhere, but you know how that is).  the card model is Promise Technology FastTrak TX2
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jebarrAuthor Commented:
I just found the disk & all the documentation.  I'm currently installing the drivers....I'll keep you posted
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LucFCommented:
Driver can be found at:
http://www.promise.com/support/download/download2_eng.asp?productId=8&category=driver&os=0

Direct download link:
http://www.promise.com/support/file/driver/2_FastTrak%20Series%20windows%20driver%202.00.0.34.zip

Extract all files into one 3.5" floppy.
Then, you have created the floppy you need to get this controller up-and-running.

Good luck,

LucF
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LucFCommented:
Lol! Sneaky posting when I'm typing :o)
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jebarrAuthor Commented:
When reinstalling 2000 server, setup recognized the OS already on 2 seperate drives (C:, & E:), so I suspect it's working.  Correct me if I'm wrong, but when setup is complete, & I reboot, I can change the array back to mirrored?  Thank you again for all your help.
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LucFCommented:
>>setup recognized the OS already on 2 seperate drives (C:, & E:)<<
Then it was a mirrored array before, creating a mirror first is actually the easiest way to go.

But at least, I'm glad it's working now.

LucF
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jebarrAuthor Commented:
Actually, I'm still having trouble booting.  Installation of 2k server went smoothly, but upon restart, it detects primary slave, skips secondary slave, then says primary & secondary master failed.  I can continue on, & receive message NTLDR missing.  Any suggestions?
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LucFCommented:
Try installing on only the disk connected to the IDE2 port.
It looks to me like the first disk has failed. (while installing, make sure to remove all partitions and re-create them)

LucF
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jebarrAuthor Commented:
Can any drive be used to replace it? And should i completely unplug the IDE1 port?
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LucFCommented:
If you want to create a RAID array it's best to get two exactly the same drives. If you want to use both as single disks, it doesn't matter what kind of disk you use to replace it.

For now, to find out what the troubling disk is it might be best to completely unplug the disk on IDE1 and put the disk that's now on IDE2 to the IDE1 port.
Then, at the installation, remove the partitions and re-create them to be sure you have a clean disk to start with.

LucF
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