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raid help.

post #1 of 5
Thread Starter 
ok i have a raid 0 setup with 2 wd 500gb black's. but i want to know what would be the best block size for it. there are several options. like 64k and such. i do lots of games, and music.

my mobo has 2 raid controllers. the amd raid and jmicron. but i can not figure out how to use the jmicron. no matter how i set things up it will not find both HD's. so i am using the amd raid till i find out what i am doing wrong.
post #2 of 5
Quote:
Originally Posted by The Fryer View Post
ok i have a raid 0 setup with 2 wd 500gb black's. but i want to know what would be the best block size for it. there are several options. like 64k and such. i do lots of games, and music.

my mobo has 2 raid controllers. the amd raid and jmicron. but i can not figure out how to use the jmicron. no matter how i set things up it will not find both HD's. so i am using the amd raid till i find out what i am doing wrong.
Block size depends on what you intend to use the drive for. The default setting is 4k or 4096b

The smaller you make a block the slower in general a drive will be, and the larger you make a block the faster the drive will be. There is a catch though. Lets say you decide to make each block 64k; regardless of the size of the file you save be it 1 bit or 54k, it will still use one block. Therefore, larger allocation size decreases the amount of storage capacity overall.

In general, most leave their allocation unit size (block size) the default 4096 and it is pretty much the happy medium for space/speed.

Small size = more space and less speed
Large size = more speed and less space

As far as the raid controllers on your motherboard, when are you trying to set up your raid drive? Before an OS install or after?
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Hard DriveOptical DriveOSMonitor
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post #3 of 5
Thread Starter 
i will be starting a raid from scratch.. clean drives, set in raid 0, then after it works i will install the os.

there is an amd raid controller and a jmicron controller.
the amd controller uses sata ports 1-6. the jmicron only has one sata port so i don't know where to plug the other in.
post #4 of 5
Quote:
Originally Posted by The Fryer View Post
i will be starting a raid from scratch.. clean drives, set in raid 0, then after it works i will install the os.

there is an amd raid controller and a jmicron controller.
the amd controller uses sata ports 1-6. the jmicron only has one sata port so i don't know where to plug the other in.
Raid drivers need to be loaded when you set up Windows because not all of the controller drivers are loaded at the start of your install. There should be a way that you can load the drivers onto a UBS drive or a Floppy (If you have one) for your windows install. For my mobo, the CD that came with the board has the drivers and a utility that can load them onto a USB drive. You can also look online for the drivers for your controller. In the beginning of setup, there is a notice that says to install 3rd party RAID drivers press (Some key), then follow the on screen instructions to load your driver.

Edit: Your mobo CD make also be a bootable disk with a RAID utility. If not enable the boot from USB in your bios. Then install the drivers, and then finally Windows.

I also recommend that you use the AMD controller because you will be able to make a larger RAID partition. I'll look into the JMicron deal, but if there is only one SATA port, I'm fairly confident that it isn't a raid controller. Rather, it is likely just a SATA controller.
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i7 2600k ASUS P8P67 Deluxe HD5870 Eyefinity 6 2GB 16GB G.Skill DDR3-1600 
Hard DriveOptical DriveOSMonitor
Intel 120GB SSD 500 Series & 4x Samsung 1TB Raid 5 LG Blu-Ray RW Windows 7 Ultimate 64bit Dell 24" 1080p x2 
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Main PC
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CPUMotherboardGraphicsRAM
i7 2600k ASUS P8P67 Deluxe HD5870 Eyefinity 6 2GB 16GB G.Skill DDR3-1600 
Hard DriveOptical DriveOSMonitor
Intel 120GB SSD 500 Series & 4x Samsung 1TB Raid 5 LG Blu-Ray RW Windows 7 Ultimate 64bit Dell 24" 1080p x2 
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Corsair tx750w Antec One Hundred Razar Mamba 
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post #5 of 5
Thread Starter 
i know if i enable both raid drivers i can go into both setups. the amd raid i was wrong about it is nvidia raid. with my drives at 64k strips i get 149.9 MB/s. but in the jmicron i can only find one drive and not the other, but it shows i can add listed drives, but only one is listed. i don't get it. works fine on the other.
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