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Crucial M4 64gb raid or no raid?

post #1 of 45
Thread Starter 
I am not adamant about running raid but it would be a bonus if I could, then I would.

Please try to answer in descending order if possible at your convenience. Thank you.

1.) I'm a raid virgin and was wondering what are the pros and cons of raiding a pair of these with Asus M5A88-V EVO and AMD 960T?

2.) I have heard there would be no TRIM support so there would be performance degradation. Over time how would I know through benchmark tests if performance have significantly degraded?

3.) The SSDs would also be eventually need to be erased to regain performance but can I create weekly image backups from the raid setup onto an HDD and restore it when it gets slow?

4.) My current M4 64GB SSD has win 7 64-bit OS on it right now and I make weekly image backups. Can I add another M4 64GB to create a raid without having to re-install windows or buy a hardware raid card?

5.) Is it worth it and if so what raid configuration should I do?

6.) Anything else I should know?
post #2 of 45
No need to raid unless you need the speed for database purposes. Without TRIM support you're looking at a secure erase evey 6-12 months to get your "initial" speeds back.

I dont know the answer to the rest of them, but the hassle of the RAID isn't worth the cost/risk IMHO
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post #3 of 45
1 Raid is great for regular HD's. It's like have a dual core processor compared to a single core. It splits the information in half and puts half on one and half on the other. Benefits data transfer is twice as fast. Con is if you lose one drive you lose everything.
2 You would notice just by clicking around Windows as well as benchmarks.
3 Yes you could do that. I would recommend a clone of the drive once a month or so.
4 You could make a clone to a regular drive. Then create your raid and clone it back to the raid.
5 Tbh no ssd are super fast and have trim. I would just get a 128 and call it good. It would be raid 0 if you decide to go that route.
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post #4 of 45
Thread Starter 
would the 128 gb noticeably increase the random write speed so that it would take considerably shorter amount of time to save a 4 MB paint file to disk? I know the seq write is almost twice and that is for large file writes to the disk. But would this also improve my file-saving time? This it the primary reason I'd upgrade to 128gb.
post #5 of 45
Definitely do not go raid. Does it improve synthetic benches? Sure it does. Does it increase you startup time by up to 10 seconds? Absolutely. I tried raid with two 150gb raptors last year. It was cool to try, but I ditched it after a while for a 64gb m4. Its just not faster. You will have to boot past the raid splash screen every startup and it will be disappointing at the loss of startup speed. I had a 64gb m4 and was contemplating buying another becuase they were so cheap, but I got a 256gb instead, ditched the 64gb drive, and my 1tb storage drive, and merged all files onto one drive. And if I'm not mistaken, read speeds say consistent throughout different drive sizes, but write speeds improve the larger you go.

here is the 64gb m4
303

here is the 256. Mind you I had programs in the background at the time as well, but you see the difference. Also, I need to do a secure erase becuase the drive is capable of much faster speeds, just havent gotten around to doing it again.
520

Here is HD tune from RAID 0 raptors
529
Edited by guitarmageddon88 - 3/13/12 at 9:41pm
post #6 of 45
Thread Starter 
yea i see it's faster sequential writes but is the random write seems to be identical..

what's the difference between random writes and sequential writes?

what's an example of each?

is saving a paint file 4 mb sequential write? i ask because saving that file takes a longass time. like 20-40 seconds...
post #7 of 45
You won't lose TRIM. TRIM is supported in RAID mode. wink.gif

Do you NEED the extra space though? That's the only reason I could see doing this, would be if you needed another 64GB of space, and you already have one drive. If so, then sure....it won't hurt anything. I've found absolutely no reason to even think about needing 128GB for my C: drive though. I can squeeze everything I need on a 32GB SSD honestly. On my 64GB M4, I've still got like 38GB free.

So yes you CAN do it. But only do it if you REALLY need the space. Note....games won't see a difference.
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post #8 of 45
Quote:
Originally Posted by Stealth3si View Post

yea i see it's faster sequential writes but is the random write seems to be identical..

what's the difference between random writes and sequential writes?

what's an example of each?

is saving a paint file 4 mb sequential write? i ask because saving that file takes a longass time. like 20-40 seconds...

i guess thats sequential
post #9 of 45
Quote:
Originally Posted by pioneerisloud View Post

You won't lose TRIM. TRIM is supported in RAID mode. wink.gif

Do you NEED the extra space though? That's the only reason I could see doing this, would be if you needed another 64GB of space, and you already have one drive. If so, then sure....it won't hurt anything. I've found absolutely no reason to even think about needing 128GB for my C: drive though. I can squeeze everything I need on a 32GB SSD honestly. On my 64GB M4, I've still got like 38GB free.

So yes you CAN do it. But only do it if you REALLY need the space. Note....games won't see a difference.

you will lose trim bro, but ssd has BGC, so losing trim is no big deal
post #10 of 45
Quote:
Originally Posted by ghostrider85 View Post

Quote:
Originally Posted by pioneerisloud View Post

You won't lose TRIM. TRIM is supported in RAID mode. wink.gif

Do you NEED the extra space though? That's the only reason I could see doing this, would be if you needed another 64GB of space, and you already have one drive. If so, then sure....it won't hurt anything. I've found absolutely no reason to even think about needing 128GB for my C: drive though. I can squeeze everything I need on a 32GB SSD honestly. On my 64GB M4, I've still got like 38GB free.

So yes you CAN do it. But only do it if you REALLY need the space. Note....games won't see a difference.

you will lose trim bro, but ssd has BGC, so losing trim is no big deal

I have Trim...and my controller is in RAID mode......
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