32mb cache drive plus 16mb in a raid?

kohlrabi_Croce · 12-23-2007, 08:02 AM

hi,

Can I put a 32mb cache drive and a 16mb cache hard drive together
in a raid array? I bought a 16mb cache drive already, a samsung,
and I'd rather not have to go to the bother of returning it. I just
want the two drives, as two 500gb drives are quite enough for me.

Here are the links to what I'm thinking of:

http://tinyurl.com/3865no

http://tinyurl.com/3bv62n

I assume this would cause me problems, right?

And/or, would it really make much of a difference speed wise
if I just go with another samsung 16mb cache drive?

**Cromewell** · 12-23-2007, 01:26 PM

Any reason you don't want to buy another samsung?

I don't know that it wouldn't work but I also don't know if anyone has tried before. I don't think there's a real reason it shouldn't work, the cache is just fast temporary storage on the drive. To be safe I would say get drives with the same cache but I'm thinking it will work fine.

SirKenin · 12-23-2007, 04:09 PM

It will work, but the thing is that cache on a drive, for the most part anyways, is simply a marketting gimmick. In most cases, only a very small portion of it is used, typically under 1 MB.

However, if by RAID array you're talking "RAID 0", it won't do much for you anyways, despite cache.

Cleric7x9 · 12-23-2007, 04:17 PM

lol, sirkenin, you are certainly anti-striping arent you?

**Cromewell** · 12-23-2007, 05:00 PM

Just anti-RAID0 at home

kohlrabi_Croce · 12-23-2007, 05:20 PM

Quote:

Originally Posted by SirKenin

It will work, but the thing is that cache on a drive, for the most part anyways, is simply a marketting gimmick. In most cases, only a very small portion of it is used, typically under 1 MB.

However, if by RAID array you're talking "RAID 0", it won't do much for you anyways, despite cache.

ah ok, good to know it's just a marketing hype thing. I was thinking
of doing raid 5 or something this time, not raid zero.

So then the only thing about this samsung drive is it only has a one
year warranty, but that was my fault for not checking. I guess
I will go ahead and two of the samsung's. It's a very popular drive
on newegg.

Thanks guys!

Cleric7x9 · 12-23-2007, 05:38 PM

you need at least 3 drives for RAID5. If you are concerned about losing data, go RAID1, otherwise, stay away from RAID

**Cromewell** · 12-23-2007, 05:57 PM

RAID5 is striped but it has data security as well, you can lose 1 drive and still be able to rebuild the array. Parity data is spread across all drives, if 2 or more drives fail you will lose data.

SirKenin · 12-24-2007, 12:29 AM

yup. RAID 5 is awesome. RAID 1 is good for mirror images, as stated. There's nothing wrong with Samsung drives. If you're careful what you buy, some of them are quite good.

SirKenin · 12-24-2007, 12:31 AM

Quote:

Originally Posted by Cromewell

Just anti-RAID0 at home

lol. Yup

12-23-2007, 08:02 AM	#1 (permalink)
kohlrabi_Croce Bronze Member Join Date: Nov 2007 Posts: 29	32mb cache drive plus 16mb in a raid? hi, Can I put a 32mb cache drive and a 16mb cache hard drive together in a raid array? I bought a 16mb cache drive already, a samsung, and I'd rather not have to go to the bother of returning it. I just want the two drives, as two 500gb drives are quite enough for me. Here are the links to what I'm thinking of: http://tinyurl.com/3865no http://tinyurl.com/3bv62n I assume this would cause me problems, right? And/or, would it really make much of a difference speed wise if I just go with another samsung 16mb cache drive?

12-23-2007, 01:26 PM	#2 (permalink)
Cromewell Moderator Join Date: Dec 2004 Location: Canada Age: 24 Posts: 10,021	Any reason you don't want to buy another samsung? I don't know that it wouldn't work but I also don't know if anyone has tried before. I don't think there's a real reason it shouldn't work, the cache is just fast temporary storage on the drive. To be safe I would say get drives with the same cache but I'm thinking it will work fine. __________________ You know what the chain of command is? It's the chain I go get and beat you with 'til ya understand who's in ruttin' command here. I must plug a couple comics because they are good :D: www.ctrlaltdel-online.com www.userfriendly.org

12-23-2007, 04:17 PM	#4 (permalink)
Cleric7x9 Diamond Member Join Date: Jun 2007 Location: Palm Beach, FL Age: 23 Posts: 1,605	lol, sirkenin, you are certainly anti-striping arent you? __________________ CPU \|\| e8400 RAM \|\| 2GB corsair xms2 pc6400 800mhz HDD \|\| 2x WD Raptor 150GB 2x WD 500GB MBO \|\| EVGA 680i SE GPU \|\| Evga 8800GT Superclocked w/ Accelero PSU \|\| Silverstone 750 watt Case\|\| Antec p182

12-23-2007, 05:00 PM	#5 (permalink)
Cromewell Moderator Join Date: Dec 2004 Location: Canada Age: 24 Posts: 10,021	Just anti-RAID0 at home __________________ You know what the chain of command is? It's the chain I go get and beat you with 'til ya understand who's in ruttin' command here. I must plug a couple comics because they are good :D: www.ctrlaltdel-online.com www.userfriendly.org

12-23-2007, 05:38 PM	#7 (permalink)
Cleric7x9 Diamond Member Join Date: Jun 2007 Location: Palm Beach, FL Age: 23 Posts: 1,605	you need at least 3 drives for RAID5. If you are concerned about losing data, go RAID1, otherwise, stay away from RAID __________________ CPU \|\| e8400 RAM \|\| 2GB corsair xms2 pc6400 800mhz HDD \|\| 2x WD Raptor 150GB 2x WD 500GB MBO \|\| EVGA 680i SE GPU \|\| Evga 8800GT Superclocked w/ Accelero PSU \|\| Silverstone 750 watt Case\|\| Antec p182

12-23-2007, 04:09 PM	#3 (permalink)
SirKenin banned Join Date: Aug 2006 Posts: 4,711	It will work, but the thing is that cache on a drive, for the most part anyways, is simply a marketting gimmick. In most cases, only a very small portion of it is used, typically under 1 MB. However, if by RAID array you're talking "RAID 0", it won't do much for you anyways, despite cache.

12-23-2007, 05:57 PM	#8 (permalink)
Cromewell Moderator Join Date: Dec 2004 Location: Canada Age: 24 Posts: 10,021	RAID5 is striped but it has data security as well, you can lose 1 drive and still be able to rebuild the array. Parity data is spread across all drives, if 2 or more drives fail you will lose data. __________________ You know what the chain of command is? It's the chain I go get and beat you with 'til ya understand who's in ruttin' command here. I must plug a couple comics because they are good :D: www.ctrlaltdel-online.com www.userfriendly.org

12-24-2007, 12:29 AM	#9 (permalink)
SirKenin banned Join Date: Aug 2006 Posts: 4,711	yup. RAID 5 is awesome. RAID 1 is good for mirror images, as stated. There's nothing wrong with Samsung drives. If you're careful what you buy, some of them are quite good.

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