• We’re currently investigating an issue related to the forum theme and styling that is impacting page layout and visual formatting. The problem has been identified, and we are actively working on a resolution. There is no impact to user data or functionality, this is strictly a front-end display issue. We’ll post an update once the fix has been deployed. Thanks for your patience while we get this sorted.

What controller is best for these SCSI drives

I

imported_devzero

Junior Member
A while ago we installed a new 1U IBM server on our office, on that occasion we swapped out the original drives for some bigger cheetah drives.

The original drives say:
eserver xseries Ultra 320/SCA2/LVD
36,4 GB
IBM P/N: 33P3380
IBM FRU: 32P0736 CRU

Anyone know what kind of drive this is? I am unable to find the partnumber on the IBM web site, searches for 32P0736 yields a 36,4 15K drive but i'm unsure if thats the same drive or if the one i have is a 10k version?

Anyway, I am planing on putting those 2 drives in a standard office computer but i need a controller card. Would the following card work? (and would i need to also buy a cable to support 2 disks?)

http://www.tekram.com.tw/ProductSpec.ASP?P...DC-390U2_Series

Anyone got a suggestion for a card that supports raid 0?
 
just browse around newegg for a 68pin scsi controller that will go in a pci slot, and look to see if it will support raid-0... you will also need to buy a 68pin scsi cable with a terminator on it (iirc you still need terminators in this day and age)

note: if you have 80pin drives you will need to buy an enclosure, so scratch what i said above if u have 80 pin drives
 
80pin = a hotswappable drive, has NO power plug... an 80 pin connector has its power in the connector thus the extra 12 pins from a 68pin..

68pin = a non hotswappable drive, it HAS a 4pring molex connector (like a regular hard drives connector)

ill find pics if u still need help, i think thats enough tho
 
It's a 80 pin drive then, thanks for clearing that upp.

So i would need 2 enclosures, a 68 pin cable with termination and 2 connectors and a 68 pin controller card that supports raid 0. Hmm sounds expensive 🙂

 
Just thought i would throw some info in, it's my first post, U can find 80 to 68 pin adapters to use with your drives, I use them with two 80 pin lvd drives for my tekram adapter and haven't had any issues with them.
 
get a regular 80 pin controller and then do software raid. that is the way to go. the price difference between a regular SCSI controller and a SCSI Raid controller is rediculous. that should work just fine.
 
I actually managed to get all i needed by getting some stuff from an old server at work.

The server contained a box (unkown brand) that converts 68 pin to 5x80 pin bays. In addition the server had an old SCSI ultra2 card ( ExtremeRaid 1100 / mylex DAC1146P)

It took me a while to get it working since i had to have a floppy drive to extract the drivers unto before install!! (and i didnt have any working floppy drive easily available).

Anyhow after getting everything installed, i hot plugged the disks (that was kinda cool to be able to do on my home computer) , configured a raid 0 array (70GB) and did some testing, seems like write performance is about 22mb/sek and read about 38 mb/sek. Quite a bit lower than i hoped, but its probably due to the old contoller card.

Im running the card 16 bit wide, 40mhz witch should give 80 mb/sek theoretical max tho, so i don't know if i have done anything wrong.
 
Originally posted by: devzero
I think so, but how do i find out?
Click to expand...
There should be some sort of array monitoring software that's came with the Mylex card or download from their website. I know my Compaq SA532 has(from HP).

If not then just take a look at your SCSI card and see if there are any added modules that resembles SDR RAM or rows of TSOP-like chip on the card itself.
 
There is a program called Mylex global array manager, and the reason i belive there IS some cache is that the card actually contains battery back up (its a lithium ion baterpack that sits on top of the card) .

Anyway, neither the bios boot screen, nor the gam displays any information on memory (only a lot of information about the array) . There might be some TSOP chips below the battery pack, but i'm unable to see it. There is no SDRam on the card however.
 
You must log in or register to reply here.

TRENDING THREADS

Back
Top