Why so slow? new raid5 file write

F

falieson

New Member
I know a quick reboot would fix this problem but I would like to understand the problem first. Earlier today I was copying files to my new raid5 (onboard evga x58 SLI) locally at 3MB/s (HD to HD) and about 2.5MB/s over my LAN.

Now I'm trying to do both at the same time and am barely getting 1MB/s local and only about 200KB/s over the LAN and doing anything such (as opening up a new page in chrome) stutters!

My i7 940 is using barely 1% cpu and my 12GB of ram is stable around 35%.

So... what's going on?
 
Reboot if so easy! I doubt, but if so why post?

Honestly with no disrespect if a reboot fixes? You messed up. On a forum you want guesses?

Reboot.

I think your issue is bigger but follow your own advice for now.
 
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Nah. not a virus.

Rebooted and I'm hitting 2MB/s write speed local while simultaneously getting 10MB/s (yeah MegaByte/s) over my lan. all writing to my raid5.

If it was too much stuff open my ram(12GB)/cpu(i7 940) gauges would have showed a hint of it. additionally, I know what was open and too much stuff open wasn't bothering it.

I wonder if it might be a cache clearing problem? or maybe a bios issue with the raid5?
 
12GB RAM how can you have "too much" open? Is your RAID5 the issue? So many reasons I could tell and show why you just are not getting it. I do not know what it is but have better ways of guessing.
 
powerpack said:
12GB RAM how can you have "too much" open?
Click to expand...

Haha - exactly! :-P

powerpack said:
Is your RAID5 the issue?
Click to expand...
Yeah, I reboooted again this morning and one of the harddrives had failed... I'm amazed these are brand new WD 2TB Caviar Greens ...

I wonder if my PSU is a harddrive killer, I've gone through 4HDDs now... I thought it was just shitty seagate 1.5TBs that everyone was complaining about...

I'm running a CORSAIR|CMPSU-850TX 850W RT
 
falieson said:
Yeah, I reboooted again this morning and one of the harddrives had failed... I'm amazed these are brand new WD 2TB Caviar Greens ...

I wonder if my PSU is a harddrive killer, I've gone through 4HDDs now... I thought it was just shitty seagate 1.5TBs that everyone was complaining about...

I'm running a CORSAIR|CMPSU-850TX 850W RT
Click to expand...

The PSU will run hard drives just fine...there must be another issue if you have killed 4 already. Something is very wrong in your system.

Hard drives are pretty stable these days. I help a lot of people build and maintain their computers and I have only seen a couple drive failures in maybe the last 5 years or so. But 4 just in your machine...I am not really sure what to say. Virus? bad RAID controller?
 
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