Raid 0 on C: drive - CPU getting hot

velocci · Dec 1, 2015

Hi all, I recently reimaged my PC and got two 120gb SSDs and used raid0 on them and installed windows on that volume. ever since I did this, there are certain things I run on my PC that makes the CPU to hot and reports temperatures of 70 degrees celcius or hotter. These processes I run are doing a full virus scan on my drive, even doing a quick virus scan, converting RAW files (image files) to JPG. When just had one hardrive as my C: drive this never happened. does using a raid 0 as my C: drive cause the cpu to work harder?

13thmonkey · Dec 1, 2015

there would be a CPU load, not so much on RAID0, but on RAID1, RAID0 on OS drive is just a bad idea unless you have a full daily backup mechanism.

USAFRet · Dec 1, 2015

Addition to the above, RAID 0 on SSD's is a REALLY bad idea.

velocci · Dec 1, 2015

I don't have any data on my C: drive. so why do you think the cpu is getting to hot when running the processes mentioned?

13thmonkey :

velocci · Dec 1, 2015

I didn't know that. why is it a bad idea?

USAFRet :

USAFRet · Dec 1, 2015

velocci :

You have the OS on there, right?

USAFRet · Dec 1, 2015

velocci :

Outside of a few edge cases, RAID 0 on SSD's provides no benefit. The only thing it brings is a greater potential for fail, and greater complexity.

13thmonkey · Dec 1, 2015

velocci :

because of instead of just reading data, it's got to read two streams of partial data and stitch them together to form the actual data that you need. RAID5 for instance it's got to calculate the parity data as well.

And I presume you have the OS, the programs, are you using it as scratch space, is your swap file on there?

velocci · Dec 1, 2015

Yes I have my OS on there and yes I have my swap file on there. I don't know what scratch space is. I have my OS installed on this RAID 0 volume the same way I'd install it on any other single HDD.

13thmonkey · Dec 1, 2015

where is the temp space for the software that you are using on the raw to jpg conversion? Where are the raw files, where are you putting the jpgs? All on the raid array?

velocci · Dec 1, 2015

The software I use to convert the RAW files to JPG is on the raid0 C: drive. The raw files themselves and the JPSs are on a seperate HDD.

13thmonkey :

USAFRet · Dec 1, 2015

velocci :

The software I use to convert the RAW files to JPG is on the raid0 C: drive. The raw files themselves and the JPSs are on a seperate HDD.

13thmonkey :

What software is it?

13thmonkey · Dec 1, 2015

velocci :

And the temp folder that your software uses is where?

velocci · Dec 1, 2015

Its called Digital Photo Professional by Canon. the temp folder is probably on the C: drive.

velocci · Dec 1, 2015

I've heard of people using two standard HDD drives using Raid0 and using it as their C: drive for the OS. so will the cpu get hot even when using standard HDDs?

13thmonkey · Dec 1, 2015

Yes, BUT we've not asked a really simple question yet, what CPU, what Cooler, and how hot?

USAFRet · Dec 1, 2015

velocci :

It certainly won't make it any cooler.
The system has to do extra work, striping across the two drives. Work = heat.

Since you only variable was single drive vs the two in RAID 0...that may well be your issue.

velocci · Dec 1, 2015

ok thanks everyone. I will have to put a bigger SSD on my santa list.

USAFRet · Dec 1, 2015

velocci :

Split those drives apart
120GB for the OS and applications, the other one for your photo work. No need to RAID 0 those things.

velocci · Dec 1, 2015

the reason I used raid 0 is because i ran out of space using one only.

USAFRet · Dec 1, 2015

velocci :

It is the exact same space, RAID 0 or no RAID 0.
120+120.

All you may have gained was a single drive letter -C- instead of a C & D.
I had a 120GB SSD as my boot drive for a looong time. A lot of photo work. Never had a space problem, because I caused stuff to go elsewhere.

13thmonkey · Dec 1, 2015

also tell us about the temps, what actually are they?

velocci · Dec 1, 2015

it starts warning me when it reaches 70 degrees. a couple of times it reached 80 degrees. I'm not sure if its celcius or fahrenheit
It have the i2600k cpu using stock heatsink/fan.

popatim · Dec 1, 2015

While raid0 would increase your cpu usage a percent or two I feel that the main cause of the heat increase is that now the CPU can run at a higher level thanks to the ssd's and in doing so it has revealed a weakness in your cpu's cooling.

First step would be checking all the fans and making sure they are all working, next make sure the cpu cooler is attached securely at all 4 corners (sometimes a corner likes to come loose) and not clogged with dust. Next look at the whole pc and how cool air is getting drawn in and hot air being expelled. The hot air should be dissipated thru the whole room and not allowed to be sucked back in. (ie: dont put the pc in a desk cabinet or closet.)

Next, if you have the stock cpu cooler, remove any cpu overclock that you have and enter the bios and make sure the cpu voltages are all back at stock values and that you don't have any automatic overclocking going on. The stock cooler is good but its only enough for a small overclock.

Let us know how you make out.

Raid 0 on C: drive - CPU getting hot

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