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Subject:
RAID using refurbished scsi disks
Category: Computers > Hardware Asked by: zebrus-ga List Price: $10.00 |
Posted:
08 Feb 2006 02:15 PST
Expires: 10 Mar 2006 02:15 PST Question ID: 443008 |
Is there a way to install refurbished scsi disk into hardware array based on dell perc 4di controller ? The problem is that refurbished drives have no serial numbers and controller needs these to recognize drive and assign it a role. | |
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Subject:
Re: RAID using refurbished scsi disks
Answered By: denco-ga on 23 Feb 2006 12:01 PST Rated: |
Howdy zebrus-ga, Appreciate you accepting this as the answer to your quetion. My research indicates your drives are Seagate Cheetah ST373453LC drives. Here is the Seagate product information for those drives. http://www.seagate.com/cda/products/discsales/marketing/detail/1,1081,549,00.html "... Model Number: ST373453LC Capacity: 73 GB Speed: 15K rpm Seek time: 3.6 ms avg Interface: Ultra320 SCSI ..." Not only should they work with the Dell PERC 4Di SCSI controller, it appears these are the drives that Dell uses with the 4Di in some of their servers. http://www.scsistuff.com/specs/specs1750.html "Released by Dell in April 2003, the PowerEdge 1750 is a replacement for the PowerEdge 1650." Perhaps you could find someone with a SCSI card that you try these drives on to see if they are defective or strangely formatted, etc. If you need any clarification, please feel free to ask. Search strategy: Google search on: OEM73LC-15 ://www.google.com/search?q=OEM73LC-15 Google search on: Dell perc 4di drives 60..80 ://www.google.com/search?q=Dell+perc+4di+drives+60..80 Looking Forward, denco-ga - Google Answers Researcher |
zebrus-ga rated this answer: |
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Subject:
Re: RAID using refurbished scsi disks
From: jebediahtbone-ga on 08 Feb 2006 11:37 PST |
If you put the drives in the system, cable them correctly and boot, you should be able to enter the PERC4 utility. From there, you can select the drives and add them to the array (or create a new array). The controller will write any information necessary to the drives so it can track the drive and its data in the array. A refurbished drive should be like new. Meaning, it's formatted, been tested and known to be a good drive. If your drive isn't being recognized by the controller, you probably have a bad drive. Does the BIOS see the drives? -JtB |
Subject:
Re: RAID using refurbished scsi disks
From: jebediahtbone-ga on 12 Feb 2006 18:52 PST |
Sounds to me like you either have defective hard disks (most probable) or a defective RAID card (least probable). I used to test Dell servers for many years. Am very familiar with their HDs and RAID controllers. I've never seen the issue you're noting. The DI notation, means "dual channel, integrated". (In your "clarification" you noted the RAID controller as SI, which is single-channel, integrated) Thus your using the onboard controller. If you open your box, remove the RAID "key" and DIMM (single DIMM, separate from the main system memory). That will force your system to run only as SCSI, so you can try out denco-ga's suggestion: "Perhaps you could find someone with a SCSI card that you try these drives on to see if they are defective or strangely formatted, etc.". If this works, and you can see the drives OK in SCSI mode, then you've got a bad RAID controller. Unfortunately, becuase it's onboard it will mean a new motherboard. -JtB |
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