Thunderbolt Pegasus R4 Experience?

We can now confirm that the mobile phone interference and the subsequent disconnects are related to (at least but not excluding other sources) the GSM 900 MHz band. We tried an old GSM 900 only phone and the error is still present.

We have also tried DECT-phones (1.88-1.90GHz) as well as WiFi b/g/n transmitters (2.4GHz and 5.0GHz) - none of those seem to affect the Thunderbolt data link.

/U

Today I made the "iPhone test" too. The incomming call didn't affect the connection when the iPhone was positioned close to my MacBook Pro's Thunderbolt port. When I positioned the iPhone close to the Thunderbolt port of my Pegasus R4, the incomming call ejected the raid immedeatly. At the moment I stopped the call, the Pegasus R4 reconnected automatically to my MacBook Pro. So it seams to be more a problem of the R4 than of the Tunderbolt ports in general or the cable.

What I don't understand is why it sometimes doesn't trigger an eject, do phones switch between different frequencies?

Hello everybody

I think we got the solution after all: TINFOIL! No joke, and lots of it.

Here is the story:

Two weeks ago we bought 6 iMacs 27" SSD, 3 Macbook Air, 3 Promise R6 and 2 Promise R4.

On the Macbook Air the R6 and R4 worked perfectly, once we connected them to the iMacs all the problems appeared as described above. So we opened a case (in Switzerland) with our reseller. They invested a lot of time (and money) to find a solution. After all it seems to be a problem with the cables and one of the two - either Promise or Apple will come up with new cables. But until then there is a solution: tinfoil. Just wrap a decent layer of tinfoil around the thunderbolt cable and everything works as it should.

Really, this is no joke - just try it.

levindenboer1975,

I was wondering if you have you been able to replicate the disconnects using mobile phone interference related to the GSM 900 MHz band (though possibly not exclusively) that Ulf Sodelund is experiencing. I would be interested to know, as you have been talking a lot to Promise Technology.

Cheers, Byron.

Just to be clear, I didn't talk to them directly. Our reseller did. And no, we didn't try the 900 MHz interference problem. The same cables are working on a Macbook Air, no matter what you do. So it's probably a problem of voltage or so. Maybe the iMac (or some models) does not provide enough voltage and due to some electromagnetic loss (maybe because of the cable screen quality) you loose just the 0.1 volts the R6 needs to work.

Just off the phone with Apple EU. The replacement Thunderbolt cable that were to be sent to us a week ago as a DIY service for testing purposes were canceled due to a 'unknown systems failure' at their end. So far not a word from Apple or Promise engineers regarding the interference problem.

We have now had the RAID for more than a month and it is still not serving its intended purpose...

/U

I've heard nothing from Apple or Jigsaw since reporting the problem, a progress report would be helpful!

I have a iPhone from verizon and while it's not sitting right next to the TB cable I haven't had any issues...my phone when I'm not actually on it is always in front of my iMac screen. Less than 2' from the cable.

Finally got the the replacement Thunderbolt cable - same disconnects.

As we have done all the testing and re-testing of our systems as requested by Apple and Promise, as well as informed them as to what is actually causing the disconnects, we have now requested them to officially acknowledge the reported issue as a general hardware fault.

Still, not a word from Apple or Promise engineers regarding this...

/U

Anyone running Lion from a Pegasus R4 or R6? I'm just debating if I should put Lion on a separate partition on the R4 or just have 1 whole Partition? I will be using Raid 0 with a TM backup and another backup using Carbon Copy Cloner.

Thanks

Sweet!. I just ordered a LaCie 2TB Thunderbolt Drive just for FCPX. I have a Pegasus R4 but that's plugged into another iMac. I did just put the R4 in Raid 0 yesterday and it screams. A solid 450Mbps write/read and has gone over 500Mbps. I'm in Heaven. lol Now only if they could have network speeds of 450Mbps. lol

I did install lion on the R4 via Carbon Copy Cloner but the iMac would lock up on boot. I had to unplug the R4 to get the iMac to boot(internal) and unplug the power from the R4 to reset it...I must have missed something so I'm gonna try a fresh install of Lioin and try that.

Dear all…

Yet another week has passed, not a single word from Apple or Promise.

Gave Promise EU a call, spoke with the manager. They are "working on a solution" on this on their behalf now known problem - however they can not say if it is the computer, Thunderbolt cable, Pegasus RAID or some or all of the above that is the culprit. Great…

Promise EU will not officially state that there is a known problem until they have a working solution, which will take yet another "month or two". In the mean time more people will buy the products thinking all is well. Great…

Apple has done nothing to inform us as to what is actually being done at their end to solve this matter, although WE have given THEM specific information about what causes the disconnects. The only reaction so far has been the temporary removal of some of my posts on this forum. Great…

Needless to say, we are very disappointed…

/U