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RAID Stale Drive Detection Software

RAID Stale Drive Detection Software


SKU: DTI-raid-stale Category: Tag:


Over the years I have worked on literally hundreds of raids. In the beginning there were virtually no software tools and a raid had to be evaluated and recovered using hex editors. It was a difficult task but those who survived learned a great deal about raid configuration as well as the proper method for evaluating raids.

One of the stages for raid recovery is the initial contact with the client and the following interrogation. It was the job of the technician to evaluate the state of the raid upon degradation and what, if any, steps were taken to try and recover the raid. In the situation of a raid five, particular attention was given to the possibility of a rebuild, and if another drive had been out of the array before the raid failed. This line of inquiry was used in order to ascertain if there was a stale drive in the array and if a rebuild had been done. I would venture to say that approximately eighty percent of the raid fives we receive have had a least one drive out in the array and the failure was due to another drive degrading.

In retrospect I have found that many of the technicians I have spoken to over the years have a very limited knowledge of how a raid works and even less of an understanding on how to proceed when a recovery is warranted. This is not a slight on the technicians as we cannot be all things to all people but there is a real gap in determining certain recovery criteria for a raid recovery. One of those criteria being the identification of a stale drive.

DTI Data now offers a solution to this particular question when determining if there is a stale drive in the array, the RAID stale drive detection software.

The software is simple, a small footprint and can be placed on a Bart PE CD as a tool for use in most environments. The documentation is on this website as well as in the software itself and offers and easy step by step walk through that even the most challenged technician can handle. In addition DTI has access to the programmer of the software who will be more than happy to answer any questions you may have about your recovery.

We at DTI Data pride ourselves on software that aides the day to day operation of a technician to best serve his clients. The RAID stale drive detection software is simply one more tool in what should be a vast arsenal for all technicians. We hope you find the pricing as well as the use of the software to your satisfaction.


1. In order to mount the drives currently connected to the computer press the ‘Mount’ button. The software will go out and query all devices that are currently attached to the computer. If the drive is either a USB device, or a non IDE type interface then the Power On Hours will be displayed as ‘Unknown’. If there is a device that does not have Power On Hours then that set of tests will not be evaluated for a possible stale drive.

2. In order to choose the drives you want evaluated simply double click on the drives currently in the ‘Streams’ list. The drive will then show up in the ‘Configuration’ list directly below the ‘Streams’ list. If you have listed a drive from the ‘Streams’ list in the ‘Configuration’ list by accident simply double click on the drive in the ‘Configuration’ list and it will be taken off the list. Only drives in the ‘Configuration’ list will be evaluated.

3. Now that your list is complete you want to ‘Evaluate’ the drives listed in the ‘Configuration’ portion of the software. To do so simply click on the ‘Start Evaluation’ button and the process will begin. In the ‘Scan Progress’, Time Rem’, and ‘Entries’ columns you will notice some activity. Try to keep an eye on the R ERR column. If that number begins to go up for a drive then ‘End Evaluation’ and call DTI Data at (727)345-9665. The drive is damaged and continued scanning may make matters worse.

4. The scan itself should run until at least 10 GB has been evaluated on all drives in the ‘Configuration’ list. This gives the software time to look for certain data engrams that help determine if there is a stale drive.

5. Once the evaluation has scanned all drives for at least 10 GB you may then terminate the scan with the ‘End Evaluation’ button. You will be asked if that is your intention just click on ‘Yes’.

6. You have now ‘Mounted’ the drives, listed them in the ‘Configuration’ list box, Started, and finally Ended the evaluation process. The next step is to ‘Calculate’ if in fact there is a stale drive in the array. In order to do that simply click on the ‘Calculate’ button and the result should be immediate. The results of the calculation will be displayed in the ‘Status’ list box in plain English. If for any reason the result is ambiguous or no result was given please call DTI Data at (727)345-9665.


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