some trouble with the HMV-4105 again

Hi,

just a few weeks ago I had some trouble with the HMV-4105. I wrote here to the forum and could get my HMV back with DiskWarrior.
Because at this time I had only a 2GBit Apple FC Adapter, I changed to a the Atto 4GBit Adapter 42XS.

In the meanwhile I do more SD work with no high datarates, until yesterday.

Then I got a problem again. During playback of HD material (100MB/s) Final Cut hangs and I got the well known 3 short / 3 long Beeps from the HUGE Raid.
I had to restart the system, but the Raid could be mounted again, but now it was not possible to playback again without dropped frames, the Blackmagc Disk Speed Tool says that there are only 110MB/s read/write speed. And the beeps again...

I restarted and the copy all the data to another disk. When the HMV was empty, I do the speed test again. Same results. Then I reformated the raid and now get 205 MB/s read and write. This is enough for me, also the advertisement says something of 250-300MB/s.

I just wanted to know if this is an indicator of a problem that still exist, because performance is not at the optimum.

I just wanted to be sure that the raid now works fine, because always copying the data and using DiskWarrior is no fun at all... and I juts wanted work with it.

Thanks in advance - Sven

System:
G5 Dual 2x2,3GHz
3,5 GB RAM
OS X 10.4.1
Atto 42xs
newes Driver+ frimware
HMV 4105- 1250GB in RAID 3@2K