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Raid-0 Randomly Disconnects

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Asus maximus iii with PII 945
Raid-0 configuration with 2x seagates

The hard drives will randomly disconnect and reconnect. This is a huge problem when playing a game and it suddenly errors out because the hard drive will disconnect, then immediately reconnect.

I am going out to get some better SATA cables (these are questionable).

Any ideas why this would happen?
 

Aquinus

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Asus maximus iii with PII 945
Raid-0 configuration with 2x seagates

The hard drives will randomly disconnect and reconnect. This is a huge problem when playing a game and it suddenly errors out because the hard drive will disconnect, then immediately reconnect.

I am going out to get some better SATA cables (these are questionable).

Any ideas why this would happen?

Lack of TLER could do it. If the drive is trying to recover from an I/O error, if it takes too long the RAID controller will bump the drive out of the RAID. If you have the option to disable Patrol Read, do it. It always causes the non-TLER drives to randomly get kicked out of my RAID-5, then I have to wait for the entire damn thing to rebuild. If this has happened a lot, it is possible that data on your RAID-0 could be corrupted at this point. I would start doing some tests to make sure it's not the drives themselves.

How does SMART look?
 
Joined
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4,876 (0.83/day)
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System Name Ultrabeast GX2
Processor Intel Core 2 Duo E8500 @ 4.0GHZ 24/7
Motherboard Gigabit P35-DS3L
Cooling Rosewill RX24, Dual Slot Vid, Fan control
Memory 2x1gb 1066mhz@850MHZ DDR2
Video Card(s) 9800GX2 @ 690/1040
Storage 750/250/250/200 all WD 7200
Display(s) 24" DCLCD 2ms 1200p
Case Apevia
Audio Device(s) 7.1 Digital on-board, 5.1 digital hooked up
Power Supply 700W RAIDMAXXX SLI
Software winXP Pro
Benchmark Scores 17749 3DM06
I have done checkdisk and am currently doing an HDtach, will post results.

EDIT: at the end, it said: cancelled by user or error during test.

I should also point out that this is my secondary, my primary is a 1.5T regular HDD.

I have no real attachment to these two 160GB drives (only games), it may be a good excuse to RAID some SSDs.

It works on the 8MB test but not the 32MB test (HDTach)

AVG Read is 185, burst 380.

It actually finishes the test all the way before it says it fails on the 32MB. Ran 4 times so far, all failed but completed the test.
 
Last edited:

Wrigleyvillain

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HDTune has a bunch of tests and info as well...

Nothing amiss in Intel RST?
 

Aquinus

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Keyboard Logitech G915, GL Clicky
Software MacOS 12.1
One of your drives might have an error on a particular LBA. You can find out if you check the SMART logs and run a SMART Self-test (preferably a long run) and check the logs again after the test. Don't run the test multiple times or it will cancel the last one.

I recommend booting using a Ubuntu live CD, install smartmontools and run this on the drives:

You can install smartmontools by doing

Code:
sudo apt-get install smartmontools

Checkout smart logs with:

Code:
sudo smartctl -a /dev/sdX #replace X with the number of the drive.

To run a long test it will look like this:

Code:
sudo smartctl -t long /dev/sdX # once again, replace X with the number of your drive.

Nothing amiss in Intel RST?

He said he has an Asus maximus iii with PII 945. That is not Intel.
 
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