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We had a power cut today and when I powered up the RAID 5 drive the following came up:

 

Raid Error E13 Array1 Error

 

HD Error E23 HD3 is Faulty

 

Operational Mode I12 Degrade Mode

 

Can I have some advice how to resolve this please?

Replace the HDD and restructure the array

   

Question...

 

I have 4 x 500GB drives at the moment, can I replace the dead drive with a 1TB HD restructure the array and then replace the other 500GB HD restructuring the array as I do one drive swap at a time.

 

There is virtually no difference in price between 500Gb and 1Tb drives so It would be a good opportunity to upgrade the drive storage.

If you replace the 500GB drive with a 1 TB and resynch it into the array it will scale the drive down to 500 GB.  I would just replace all of the drives and TFTP the firmware back on to it.

   

I have a similar problem on my Terastation (HS-DH0.0TGL/R5).

 

Raid Error E13 Array 1 Error

Operational Mode I12 Degrade Mode

HD1 Error E23 HD1 is faulty

 

Several months ago, I replaced a drive in this Terastation and everything went well.  At that time, I purchased two new drives, keeping one as a spare.  These drives were IDENTICAL to the drives installed on the Terastation (Samsung Model HD501LJ, 500Gb).

 

I replaced HD1 with the remaining new drive I had, but am still getting the same messages.  I've done some reseach on other users with the same experience and many are now saying that Buffalo Technologies is suggesting it's a faulty raid controller.  If this is the case, is it possible to change the raid controller?  I am about to order several Terastation Pro II units for my business, but am alarmed about how many instances of raid controller failures I've seen.  I would just like to know if there is any recourse in the event the HDs are not the problem.

 

Thanks!

   

I have been living with this error (E13) for quite some time and would like to have it resolved.  I have replaced the faulty drive, re-structured the array, and reset to factory defaults.  Nont of these seem to work, and I am in an endless loop of  resetting.

 

I REALLY don't want to wipe the drive and reload my data.

 

Does anyone have a solution?

 

PS: TeraStation Pro iSCSI TS-IGL/R5

After you did that have you tried to Reinit the unit through the user interface?

 

 

Log into the Web Admin then go to Maintenance>initialization>restore.

The terastation pro II hasn't been manufactured in nearly a decade so I doubt its them that you are ordering.

Either way the RAID controller is software based, its not a hardware component.