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PERC 5/i RAID Card: Tips and Benchmarks - Page 325

post #3241 of 7195
Hi all, I'm totally new here, so please bear with me! I have some experience using the Perc 6/i but I have a question regarding a card that I recently had given. It is a Dell card.....part no. seems to be 0P455G or M778G. It has a sticker on the back stating SAS 5/E. There is no slot for a memory module. My question is......does this card do RAID, or is it just a plain SAS/SATA adapter??? Also....with no slot for a memory module.....I assume there is none onboard? Googling it has given me conflicting info....sometimes this part no. is listed as a Perc 5/e.....it even says this on the box.....but I thought the Perc 5/e did RAID. In other places, it specifies non-RAID. I'm confused.....more than usual....so any help would be appreciated!!

This is the card, someone is selling on ebay:

http://cgi.ebay.co.uk/ws/eBayISAPI.d...ayphotohosting
Edited by kingeri - 9/18/09 at 11:48am
post #3242 of 7195
Quote:
Originally Posted by jplmain View Post
Hello! I am new first post. I too pick up a perc 5i from ebay $120. Post on my GA-EP45-UD3D without tape mod.
I plan on using two patroit warp 128gb ssd's (I got on ebay for 200 each) on raid 0. This is my attemp to gain stableness from stutters and pauses that these ssd's are known for. I am hoping the cache on the card will give me more stable and fast diliverence of data.
Is the raid on the motherboard ICH10R good enough or will the perc 5i do better. Or am I on the wrong track and just get higher quality ssd,s.

Thanks
There are a whole lot of benchmarks around that compare this very aspect... basically, there is very little difference in performance between dedicated cards & the ICH10R chip... in fact in a number of tests, the ICH10R won out.

http://www.tomshardware.com/reviews/...a,2374-13.html

http://www.hardocp.com/article/2009/...er_windows_7/2

to name a couple. The page linked in the first (Tom's) one shows the point I am making really well.
Edited by fritzman - 9/18/09 at 12:16pm
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post #3243 of 7195
Quote:
Originally Posted by kingeri View Post
Hi all, I'm totally new here, so please bear with me! I have some experience using the Perc 6/i but I have a question regarding a card that I recently had given. It is a Dell card.....part no. seems to be 0P455G or M778G. It has a sticker on the back stating SAS 5/E. There is no slot for a memory module. My question is......does this card do RAID, or is it just a plain SAS/SATA adapter??? Also....with no slot for a memory module.....I assume there is none onboard? Googling it has given me conflicting info....sometimes this part no. is listed as a Perc 5/e.....it even says this on the box.....but I thought the Perc 5/e did RAID. In other places, it specifies non-RAID. I'm confused.....more than usual....so any help would be appreciated!!

This is the card, someone is selling on ebay:

http://cgi.ebay.co.uk/ws/eBayISAPI.d...ayphotohosting
That card is not a PERC, and it cannot do RAID levels involving parity (5/6). It can do 0 & 1 (and maybe 10/1E/10E), but I'm not sure about the performance.

The SAS 5/i may be useful for someone wanting to use a few SAS drives, but the SAS 5/e is not really going to be much use for many home users I'm afraid.
post #3244 of 7195
Quote:
Originally Posted by the_beast View Post
That card is not a PERC, and it cannot do RAID levels involving parity (5/6). It can do 0 & 1 (and maybe 10/1E/10E), but I'm not sure about the performance.

The SAS 5/i may be useful for someone wanting to use a few SAS drives, but the SAS 5/e is not really going to be much use for many home users I'm afraid.
Thanks for that! I guessed it wouldn't do RAID. BTW...any idea why when I press CTRl+C to enter SAS config, nothing happens? Also, it says, "Adapter(s) disabled by user". So far, I have been unable to get into the BIOS / config page at all.
post #3245 of 7195
Hi all, first post here.

I'm thinking about getting a perc 5 or 6 to make a nice home server and I have a few questions...

If I got the 'E' version of either card, and ran the cables from the outside back inside the case, would it work exactly like the 'I' version or are there more differences than simply the type and location of the connectors?

Also is there a anywhere that details the physical differences between the 'R' versions of each card that only support 2 drives and so don't do parity raid arrays? Its an absolute minefield on ebay trying to find the proper cards and knowing from the images which is which would be useful. Sometimes the title doesn't mention that its only the 2 drive model, sometimes they only mention the part number which doing a google search for is often also confusing, and sometimes they just plain lie about which version it is (perhaps unintentionally).

Many thanks for any info you can give.
post #3246 of 7195
Hey all, I just installed a perc6i in a server here at the house but when I installed Server 2008 R2, it partitioned my drive pretty strangely. Total usable space on the RAID 5 array is roughly 2.8TB. When I installed Server, I attempted to put the os on a 300gb partition. Server broke this down further into 299.9gb and 100mb partitions (I understand it uses this extra partition for system files).

The problem is, instead of giving me free space of about 2.5tb it broke the remaining space into two (both parts were labeled unallocated, the first was 1748gb and the second was 745gb). I was able to create a new volume out of the 1748gb but the 745gb is labeled Unallocated but does not allow me to format, create new volume, etc. (complete waste of space at this point - I was planning on a partition of this size for backups of other rigs but I can't seem to use it now)

So any insight is appreciated.

EDIT: I've done this twice so far with the same results, the os just breaks down the remaining space into 1748gb and 745gb each time.
Edited by tr8rjohnk - 9/19/09 at 11:06am
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post #3247 of 7195
Quote:
Originally Posted by Subterranean View Post
Hi all, first post here.

I'm thinking about getting a perc 5 or 6 to make a nice home server and I have a few questions...

If I got the 'E' version of either card, and ran the cables from the outside back inside the case, would it work exactly like the 'I' version or are there more differences than simply the type and location of the connectors?

Also is there a anywhere that details the physical differences between the 'R' versions of each card that only support 2 drives and so don't do parity raid arrays? Its an absolute minefield on ebay trying to find the proper cards and knowing from the images which is which would be useful. Sometimes the title doesn't mention that its only the 2 drive model, sometimes they only mention the part number which doing a google search for is often also confusing, and sometimes they just plain lie about which version it is (perhaps unintentionally).

Many thanks for any info you can give.
The 'e' version can be used as you describe to act just like the 'i'. But the cables are more expensive, so it will probably be better to go for an internal card if this is how you intend to use it.

There is no 2 drive version - there is the 4-drive SAS 5/iR card. All the other Dell SAS/PERC cards support 8 drives (even the 5/eR I think supports 8 disks, although I'm not sure on this - either way it is not a good card for a home user anyway).

As for buying one - you have to get one that says it is a PERC. Then at least if it isn't you can complain & get your money back. Anything else is a bit of a lottery.

Hope this helps...
post #3248 of 7195
There is anyway remove old PW, on Perc 5/i.

Havet used card for long time
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post #3249 of 7195
Are you talking about the password in the manager software? It's the same as your Windows username and password.
post #3250 of 7195
http://www.lsi.com/storage_home/prod...te=1&locale=EN

Is this the right software download for the PERC6/i RAID card with LSI firmware?

I cannot find any info on LSI SAS1078, only the 1068....
    
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