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Tuniq Screws

Rubycon

Rubycon

Madame President
I've been reading more and more about this and happened across this discussion.:Q

For those of you that don't know (perhaps never stumble into OT hehe) my home is a cruise ship and the system is subject to a bump every now and then. :Q My main concern is one of these heads pops off and the tower plunges down onto a $2000 RAID controller. :shocked:

It's been removed several times and I've never had a hint of any issue with the screws, but it seems they just fail without warning and that is something I don't want obviously.

I'm concerned after reading these incidents. It looks like a quick fix is to use proper hardware with bolts, washers, and nuts like the person did over at Xtreme - I wonder how it would affect temperatures.
 
Originally posted by: Rubycon
My main concern is one of these heads pops off and the tower plunges down onto a $2000 RAID controller...
Click to expand...
Um...

I'm more concerned about you claiming to own a $2000 RAID controller! 😉

The two best RAID controllers IMHO are:

Areca Arc-1110 PCI-X -- $270

AMCC/3Ware 9550SX-4LP -- $300

Take your pick...

What the hell do you own?
 
Given your conditions, I would suggest suspending the Tuniq with a bit of stainless steel safety wire, slide it between the fins near the HS's balance point and secure it to something appropriate inside the top of the case. Only use a little tension when twisting the wire up, just enough to hold about half the Tuniq's weight.

If you say you have a $2k RAID card, silly me won't question it because it is off topic and you didn't need to brag about it, so others could question its existence.😀
 
To directly answer the question, this 'head falling off' problem does concern me, but only to the extent that -- I can't figure out how ppl are 'breaking them off' in the first place...

I own two Tuniq Tower 120s, and for the life of me, I can't figure this out!

I would say one of two things are happening...

Either they are bottoming out the threads in hole, and continuing to twist the screw with a pair of needle nose pliers (or whatever).

Or, they are running the screws through the backing plate and into the mobo tray, and continuing to twist them until the head falls off.

This is what my Tuniq Tower 120 screws look like:

Socket -- Angle #1
Socket -- Angle #2

You tell me how they're doing it... 😀
 
I'd say if you really are worried about the scenario you mention, I'd get some hex or torx drive, stainless-steel cap screws of nearly the same thread length and a couple of stainless washers for under the heads of the screws to ride against the springs. They would certainly never break in that application. You can get that type of screw in any well-stocked hardware store or large home center e.g. Lowes or Home Depot.

Hey Vin,
. Think SCSI. Few large businesses use SATA RAID in mission-critical applications. Go see what they use in a Vegas resort hotel and you'll have an idea of what a cruise ship needs. Not hard to push a grand for a single controller card and more than one isn't unusual in large installations. My question would be why did anyone use a fan-boy e-PeePee like the Tuniq Tower in a mission critical system? In those systems, the closer you can come to using a piece of rock the better. IOW, no unnecessary complications.

.bh.
 
To answer some of the questions -

It's an Areca 1261ML with 2GB ECC Cache and a transportable battery.

It's my NLE system, nothing "mission critical" about it. I've had the Tuniq, it's OK but underpowered for a QX6700 when the clocks get wrenched along with a little VCORE.

Computers for "lifeline" ship operations are stationary and can take a beating. The ship in that video was in precarious conditions. We're coming up on the second anniversary of such conditions actually and it was scary. We're a lot larger at 92,000 tons than that ship too. :Q We did take heavy water over the bow that made it to the superstructure, a wave over 70 feet high to be exact. Not very fun.

Keel hulls have too high of a draft for pax vessels. They're all pretty flat these days.

Back to the original topic! 😉

Killed two birds with one stone. (actually a couple of fans and a bracket that was going unused on our S830. 🙂 ) My Noctua's were waiting for me when we got back to NYC this AM. Mounted everything in the swing out panel and have a section that supports the tower in case of a screw fracture. I don't see this happening but anyways. 😉

Here's a few pics of what it looks like:

The tower itself - you can see the RAID card right below in PCI-E 16X 1

Swing out panel closed - that Tuniq isn't going anywhere!
 
Yes it's a Stacker 830.

Yikes! I can really see dust building up in the picture. :Q

That's the problem - the lighting in here is never more than a few lux.
 
Originally posted by: Rubycon
Yikes! I can really see dust building up in the picture. :Q

That's the problem - the lighting in here is never more than a few lux.
Click to expand...
Heh!

Quit while you're ahead, okay? 😀
 
Actually SAS (which is technically SCSI) works on SATA drives too.

The Multilane with IOP341 is wicked fast. Instructions in the cache run like SSD devices. My only gripe is it sings at a high frequency when working. I wish it supported more memory. (I have it maxed with 2GB) Perhaps in the future we'll have versions that support 8GB DIMMS and even higher. :Q
 
Oh, what a tangled web we weave...

Yes, SAS is technically SCSI. Actually, it's a better SCSI than SCSI, and a better SATA than SATA.

Think of it this way...

It melds old skool SCSI logic (and dependability) with modern SATA drive technology... something neither SCSI or SATA could accomplish by itself!

Let it die...

This is supposed to be about Tuniq screws! 😀
 
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