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SSD SATA-II RAID 0 - anyone tried to do this?

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Author	Topic
Dr Slaughter Minmatar Rabies Inc.	Posted - 2008.09.02 22:04:00 - [1] My main desktop blew up the other day and I'm getting a replacement. I've noticed that SSD prices have come down a little and was curious if anyone has tried building a SSD RAID-0 with some? In theory, it should perform very well as the seek times will be very low(?), my thought was: RAID-0, with Eve on it..... Or would I be better just making a RAM drive? drs
Dr Slaughter Minmatar Rabies Inc.	Posted - 2008.09.02 22:04:00 - [2] My main desktop blew up the other day and I'm getting a replacement. I've noticed that SSD prices have come down a little and was curious if anyone has tried building a SSD RAID-0 with some? In theory, it should perform very well as the seek times will be very low(?), my thought was: RAID-0, with Eve on it..... Or would I be better just making a RAM drive? drs
Benco97 Gallente The Star League	Posted - 2008.09.02 22:09:00 - [3] An SSD RAID-0 array would be so fast all the components would literally rip out of your case when you first turn it on. However, once you'd collected them and rebuilt I imagine everything would be fine until that fateful day when one of the SSDs dies... and then you'd be thinking "Who's great F*****G idea was THAT?!"
Mashie Saldana Sharks With Frickin' Laser Beams	Posted - 2008.09.02 22:11:00 - [4] You have to be careful to make sure the RAID controller you use is compatible with the SSD drives. Most are not compatible.
Dr Slaughter Minmatar Rabies Inc.	Posted - 2008.09.02 22:15:00 - [5] Edited by: Dr Slaughter on 02/09/2008 22:16:02 Heh. Thanks for the comments.. if it blows up.. well it's only got Eve On it not a MSSQL I've got a Dell XPS 730 coming so will wait and see exactly what controllers and BIOS versions it's got, oh, and Mashie, love that artist's paintings (your sigs background) found them a while ago on the Deviant Art website.
ReaperOfSly Gallente Lyrus Associates The Star Fraction	Posted - 2008.09.02 22:18:00 - [6] You're not going to get vastly improved seek times by putting SSDs in Raid 0. Also, you're gonna wear out those drives pretty damned fast that way. It's your money to burn, but I'm just saying SSDs are not cheap.
Daelorn Perkone	Posted - 2008.09.02 22:19:00 - [7] Some company sent a guy 16 SSDs and at first the limit was the raid controller, which he bought a new one and the performance kept going up with every SSD he added, as long as the RAID card can handle it.
ReaperOfSly Gallente Lyrus Associates The Star Fraction	Posted - 2008.09.02 22:20:00 - [8] Originally by: Daelorn Some company sent a guy 16 SSDs and at first the limit was the raid controller, which he bought a new one and the performance kept going up with every SSD he added, as long as the RAID card can handle it. Some company... some guy... [Citation Needed]
Dr Slaughter Minmatar Rabies Inc.	Posted - 2008.09.02 22:21:00 - [9] Originally by: ReaperOfSly you're gonna wear out those drives pretty damned fast that way. It's your money to burn Don't want to burn money. So interested in NAND life span.. is this a real issue? If so I would imagine just making sure I have more DDR3 memory and use a RAM disk would be better?
Benco97 Gallente The Star League	Posted - 2008.09.02 22:27:00 - [10] Well the lifespan of an SSD is a little worrying to some but it's still well within the realms of usable..SSD in RAID-0?..ehh... Who's to say? I'm sure some sort of write-levelling procedure exists that will work across RAID-0 though so you should look into that.(I love saying that by the way, RAID-0, RAID-0)

Dr Slaughter Minmatar Rabies Inc.	Posted - 2008.09.02 22:40:00 - [11] Nine drive SSD RAID and interesting performance stats and discussion. Going away to read... read... read.. before I write more ~~~~ There is no parody in this thread. Honest.
Ryysa Paisti Paisti Syndicate	Posted - 2008.09.02 22:56:00 - [12] Originally by: ReaperOfSly You're not going to get vastly improved seek times by putting SSDs in Raid 0. Also, you're gonna wear out those drives pretty damned fast that way. It's your money to burn, but I'm just saying SSDs are not cheap. Sorry, but this entire post is bullshit. 1) RAID never decreases seek times. Please learn what a seek time is. In fact, RAID increases seek times, as it's two drives that have to seek every time, instead of one. That said, SSD's seek time is non-existant, and with RAID, the seek time of the array will be very close to the seek time of each individual drive. 2) SSD's and most NAND flash these days, have special protection, which wears down the drives evenly. It has comparable lifespan to a normal HDD, and it doesn't matter if you stripe your data over it, or write to one drive, then another. Reading does not wear down flash memory, only writing does. Originally by: Mashie Saldana You have to be careful to make sure the RAID controller you use is compatible with the SSD drives. Most are not compatible. This is also bullshit. Most raid "controllers" on motherboards are software. If you do software fakeraid anyway, it doesn't matter. To the OP: So by all means, if you have the money to buy two SSD drives, you will pretty much double their throughput if you put them into RAID 0 without any real drawbacks besides the usual (one drive in RAID0 fails, all data dies). Good luck with your project. EW Guide - KB Tool - My Music
Dr Slaughter Minmatar Rabies Inc.	Posted - 2008.09.02 23:06:00 - [13] Originally by: Ryysa Good luck with your project. Thanks. Am considering 'price' and what the ú is likely to be doing over the next couple of months. Tempting to put a small SSD in my PS3. Also with regards life span of SSD drives I found a interesting article here. Quote: I found some data from Mtron (one of the few SSD oems who do quote endurance in a way that non specialists can understand). In the data sheet for their 32G product - which incidentally has 5 million cycles write endurance - they quote the write endurance for the disk as "greater than 85 years assuming 100G / day erase/write cycles" - which involves overwriting the disk 3 times a day. ~~~~ There is no parody in this thread. Honest.
Ryysa Paisti Paisti Syndicate	Posted - 2008.09.02 23:08:00 - [14] Yeah, I know, that's why I used strong words in my previous post. EW Guide - KB Tool - My Music
Mashie Saldana Sharks With Frickin' Laser Beams	Posted - 2008.09.02 23:16:00 - [15] Originally by: Ryysa Originally by: Mashie Saldana You have to be careful to make sure the RAID controller you use is compatible with the SSD drives. Most are not compatible. This is also bullshit. Most raid "controllers" on motherboards are software. If you do software fakeraid anyway, it doesn't matter. When I was looking at a hardware raid + SSD solution around christmas last year the compatibily charts were very short so I dropped all plans to get it. I just had a quick look after your post and it seems it has been improved quite a bit since.
Ryysa Paisti Paisti Syndicate	Posted - 2008.09.02 23:19:00 - [16] I was talking about software, as most RAID run today at home is fakeraid. And you don't really need hardware RAID for RAID0 or RAID1. RAID3/5/6 are the ones that pretty much require a hardware controller if you are serious. EW Guide - KB Tool - My Music
Sharupak Minmatar Brutor tribe	Posted - 2008.09.02 23:25:00 - [17] Originally by: Dr Slaughter My main desktop blew up the other day and I'm getting a replacement. I've noticed that SSD prices have come down a little and was curious if anyone has tried building a SSD RAID-0 with some? In theory, it should perform very well as the seek times will be very low(?), my thought was: RAID-0, with Eve on it..... Or would I be better just making a RAM drive? drs I have been tempted recently as well. It looks like there are big differences in reliability. The lifetimes has increased dramatically in only the last year. Some of the new drives comming out are boasting 1 million hour lifespans. I doubt this, but logic would say that no moving parts equals better reliability. _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.

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