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Author Topic: SSD and 7200 rpm drives in raid  (Read 1815 times)

barry685

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SSD and 7200 rpm drives in raid
« on: August 01, 2011, 06:44:10 AM »

Hi,
Im building a new PC. If this system includes a 120gb ssd as well as 2 - 7200rpm drives set up in a Raid 0 configuration which drive should be used for OS and programs and which for work files. This system will not be used for any video. Cpu will be Intel I7-2600k with 16gb memory.
Thanks
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Robert-Peter Westphal

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Re: SSD and 7200 rpm drives in raid
« Reply #1 on: August 01, 2011, 09:53:42 AM »

Hello,

...and what do you want to know ?

Best wishes

Robert
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neile

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Re: SSD and 7200 rpm drives in raid
« Reply #2 on: August 01, 2011, 10:22:47 AM »

Use the SSD for OS/Apps and the RAID 0 for files. SSDs are blazing fast but simply too small to be useful for holding images.

Neil
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barry685

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Re: SSD and 7200 rpm drives in raid
« Reply #3 on: August 01, 2011, 12:03:33 PM »

Hi Niele,
What I meant by work files are the image files that are currently being worked on, they are stored on the drive temporarily. I will still have another drive or an external for general storage.
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Steve House

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Re: SSD and 7200 rpm drives in raid
« Reply #4 on: August 01, 2011, 06:39:49 PM »

I understand that SSD's slow down their writes after many cycles.  The OS and application disk is written to infrequently and read from a lot so the write slow-down doesn't become much of an issue but your data file drives and especially temp and scratch file drives are continually being written, erased, and re-written.  Conventional hard drives are better in that role.
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neile

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Re: SSD and 7200 rpm drives in raid
« Reply #5 on: August 01, 2011, 08:36:21 PM »

Modern SSDs don't really have aging issues anymore. For work files I believe either would be fine. Try both and see the perf?

Neil
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Christopher

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Re: SSD and 7200 rpm drives in raid
« Reply #6 on: August 02, 2011, 04:15:02 AM »

All SSDs have these issues. New or old. The only difference is that the earlier generations could drop from 150Mb/s to 20Mb/s and the newer ones just drop from 250 to 160. Sure even the 160 is much faster than any HDD. (not even talking about 4k READ/Write where they outperform them even more) However, my limited tests show that for example a scratch disk is still better as RAID0 HDDs, compared to SSDs. (SSDs work if you have the time to reformat and earase them from time to time.

barry685

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Re: SSD and 7200 rpm drives in raid
« Reply #7 on: August 02, 2011, 08:31:43 AM »

I decided to go the more expensive route and purchased 2 Crucial 128gb m4's. Will use 1 for OS the other for work files. Not implementing the raid feature.
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