Disk Utility Shows Extra Phantom "Twin" Drive in XServe Raid

[Anonymous]

Here is what I have:
This equipment is brand new, just unpacked in the past week.
On left side of XServe RAID
4 – 250 GB in a Raid 5 (LUN 0)
1 – 250 GB hot spare

On right side of XServe RAID
2 – 250GB in a Raid 0 (LUN 0)
2 – 250GB in a Raid 0 (LUN 2)

Using Raid Admin, the arrays appear correct: One is approximately 700GB (Raid5) and the other two are both about 460GB (Raid zero each).

However, when I go into Disk Utility on the XServeG5, it shows 3 460GB Raid 0 Drives. One of them is correct and the other two are actually both the same drive. I can format these “twins” and if I change the name on one, it will eventually change the name on the other.

Even weirder, I can actually mount the first 460GB array as well as both of the twins.

Anyone have any idea as to what is up and what the fix is?

[ericl143]

I forgot to log in above – this is actually my post and I am still confused and in need of help

[Ross]

Make sure you have the latest firmware:

http://www.apple.com/support/downloads/xserveraidadmintools_readme.html

[ericl143]

I do have 1.3.1 and the problem is not with Raid Admin. The problem lies within Disk Utility.

UPDATE: After waiting on hold with Apple for 45 minutes, I was informed that this is a known issue and should be addressed in a future firmware update. Supposedly, this is just a “cosmetic” glitch and there is no risk to data.

I am glad I have redundant backup in case this turns out to not be cosmetic.

[Ross]

But 1.3/1.21b is the latest firmware version and what I pointed you to was a RAID admin update and firmware update. I figured it was a firmware issue and was making sure you were upto date. Glad you got it sorted.

[Author]

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