RAID 5

C

Cantonious

Gawd
Joined
Jun 22, 2003
Messages
868
Hey all, looking for some advice on a good card for RAID 5, using SATA, probably 1-1.5TB drives, not sure yet. Just looking for a few recommendations. Been awhile since I've paid attention to the RAID cards.

It's going to be used as a NAS, going in an older machine, and primary use will be video production/editing tasks. Any advice on that would also be welcome.
 
how many ports are you looking for total? 4/8/16? Do you intend to use SAS drives, or just SATA? Do you need OCE/RLM? if you're doing RAID-5 on large sized drives like that a rebuild operation can literally take days or weeks to complete on a lowe end card. What's your budget? It's always a fine line to walk. I'd recommend starting with a Perc 5/i and see how it suits you (under $200 on eBay). If you have some $ to throw at the controller, an Areca is probably tops, but also is the most expensive ($500+)
 
sabregen said:
how many ports are you looking for total? 4/8/16? Do you intend to use SAS drives, or just SATA? Do you need OCE/RLM? if you're doing RAID-5 on large sized drives like that a rebuild operation can literally take days or weeks to complete on a lowe end card. What's your budget? It's always a fine line to walk. I'd recommend starting with a Perc 5/i and see how it suits you (under $200 on eBay). If you have some $ to throw at the controller, an Areca is probably tops, but also is the most expensive ($500+)
Click to expand...

OCE/RLM? New research topic! :D

Prefer SATA, cards for price. As for card, only 4 slots are required. I'll have to check out that Perc 5/i thing as well, haven't heard of it (Yes, I live under a rock, but it's a very nice rock.)

And thanks too! :)
 
OCE = Online Capacity Expansion (the ability to add drives to an existing array) without rebuilding the whole damned thing

RLM = Raid Level Migration. Going from say a RAID-5 to a RAID-10 without rebuilding.

Both can be painfully slow if the controller is not a suitable hardware solution. If you're looking at a price point lower than the Perc 5/i (around $200), be very careful that you ensure you're getting a true hardware solution, if you plan to ever do either of the above. HostRAID (aka fake-RAID, aka software RAID) uses your CPU to do this processing of parity and calculations...and it sucks.

The Perc 5/i is the same as a 4x expensive LSI MegaRAID card. Here's everything you could ever want to know about the Per 5/i: http://www.overclock.net/hard-drive...=/images?q=perc+5/i&gbv=2&hl=en&safe=off&sa=G
 
- Also does this older machine have PCI-E?
If so, how many PCI-E x16 slots does it have?
If not, what expansion ports does it have?
- Does it have onboard video?
If not, do you have a PCI video card?
 
budget will pretty much determine what you get
if you dont want to spend much then you can't do better then perc5i
if you want something that will perform faster and has more features look at areca 12xx series or adaptec 5 series
 
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