You're generally paying for over-realiability and a brand label, take Cisco devices for example
Why do you want a raid controller anyway??
A quick dirty controller will only support RAID0 and 1. The easy ones.
The high end controllers support 5,6,10 etc. They all require parity check and such - a complex opperation.
[QUOTE=SubWoof;16451325]Why do you want a raid controller for anyway??[/QUOTE]
Typical...
:eng99:
Maybe people want to make arrays of disks
[QUOTE=ReznorT;16451346]Typical...
:eng99:
Maybe people want to make arrays of disks[/QUOTE]
Software raid with ZFS, on a fileserver.
I think i just got a boner.
Software raid eats up CPU clock cycles.
[QUOTE=SubWoof;16451325]Why do you want a raid controller anyway??[/QUOTE]
So he can RAID maybe?
Jesus.
[QUOTE=SubWoof;16451384]Software raid with ZFS, on a fileserver.
I think i just got a boner.[/QUOTE]
Confession: I love ZFS. Just needs to be GPL'd
[QUOTE=birkett;16451574]Confession: I love ZFS. Just needs to be GPL'd[/QUOTE]
:froggonk:
It's ok i guess...
[QUOTE=birkett;16451574]Confession: I love ZFS. Just needs to be GPL'd[/QUOTE]
Exactly.
At-least I've got FreeNas to try it out with, until that happens. (if it ever happens)
[QUOTE=birkett;16451574]Confession: I love ZFS. Just needs to be GPL'd[/QUOTE]
Confession: I've been in bed with BTRFS since Apple dropped ZFS on Snow Leopard.
RAID controllers offer no real benefit in a RAID 0 situation - Anandtech did an article comparing RAID controllers with the ICH10R southbridge and found no real performance difference when using a RAID array of Corsair SSDs.
Because they're complex hardware and part of that cost goes toward support. They also tend to support higher-end RAID levels. Enterprises are usually the ones buying them, because they have a lot more hard disk than you do and do a lot more I/O than you do.
Use your motherboard's if you're just a desktop user.
[quote]RAID array[/quote]
I have a RAID Array of Inexpensive Disks right next to my ATM Machine where I enter PIN Numbers.
[QUOTE=gparent;16457391]Because they're complex hardware and part of that cost goes toward support. They also tend to support higher-end RAID levels. Enterprises are usually the ones buying them, because they have a lot more hard disk than you do and do a lot more I/O than you do.
Use your motherboard's if you're just a desktop user.
I have a RAID Array of Inexpensive Disks right next to my ATM Machine where I enter PIN Numbers.[/QUOTE]
Sounds to me like your redundant acronyms have RAS syndrome.
Better tell the Department of Redundancy Department about it.
You can get pretty good deals on fairly decent RAID controllers. On Ebay check out the Dell PERC 5/i, you can get them for about $120 and the RAID 5 performance is very good. I got one about a month ago and I haven't looked back. This thread on overclock.net was also a huge help - [url]http://www.overclock.net/hard-drives-storage/359025-perc-5-i-raid-card-tips.html[/url]
My MoBo has built-in RAID. Cost about 50 bucks. I don't even use RAID.
[QUOTE=M2k3;16457866]You can get pretty good deals on fairly decent RAID controllers. On Ebay check out the Dell PERC 5/i, you can get them for about $120 and the RAID 5 performance is very good. I got one about a month ago and I haven't looked back. This thread on overclock.net was also a huge help - [url]http://www.overclock.net/hard-drives-storage/359025-perc-5-i-raid-card-tips.html[/url][/QUOTE]
If it wasn't because of the RAID-5 write hole problem. I'd Be happy Camping on Ebay for one of those cards.
[QUOTE=gman003-main;16458583]My MoBo has built-in RAID. Cost about 50 bucks. I don't even use RAID.[/QUOTE]
That's only software raid, and that's shit for anything else then raid 1, 0 or 1+0/10
You can get a battery backup unit for the PERC 5/i that helps prevent the write hole problem. Ideally you'll want a UPS and a BBU though.
[QUOTE=M2k3;16459881]You can get a battery backup unit for the PERC 5/i that helps prevent the write hole problem. Ideally you'll want a UPS and a BBU though.[/QUOTE]
Isn't it the Ecc ram block and the battery backup that "solves" the write hole problem?
Too bad there is no Drobo RAID card, that thing is nuts.
[QUOTE=benjgvps;16460508]Too bad there is no Drobo RAID card, that thing is nuts.[/QUOTE]
ZFS > Drobo.
IMO ofcourse.
[url]http://www.newegg.com/Product/Product.aspx?Item=N82E16816151049[/url]
That's one beast of a RAID card.....
If you want more internal SATA ports (4x internal, 2x eSATA) [b]without the need for RAID[/b], there's a nice cheap PCIe SATA card here:
[url]http://www.newegg.com/Product/Product.aspx?Item=N82E16816132018[/url]
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