[mythtv-users] Bad News for me...a warning to all

[Sean]

1 word.

3Ware


Ed Benckert wrote:
> Software Raid 5 offers terrible performance... its ok for word documents 
> and the like, but theres no way the cpu/drives will keep up with the 
> demand of streaming continious MPG data to the drive, as well as reading 
> it back at the same time.
> 
> It's expensive, but a beautiful solution: Promise Technology Raid 5 ATA 
> controller cards. Here's a link to one:
> 
> http://www.cluboverclocker.com/reviews/raid/sx4000/
> 
> That is a 4 channel/4 drive card. I have the 6 channel/6 drive card. 
> It's a true hardware raid solution for ATA100/133 drives. I paid $250 
> for mine.
> 
> I do a lot of video editing and the like, and storing a DVD on a hard 
> drive eats up space, so I need a lot. When a drive goes bad and you have 
> no good soilution to back up a few 120 gig drives... you lose a lot of 
> data and you want to murder youself :)
> 
> I had a Highpoint Raid 5 controller card, but thats crap. It's basically 
> an ATA100 controller card with 4 controllers (8 channels/drives) that 
> has software raid built into the drivers. The performance was ABYSSMAL. 
> I had 5 80 gig drives in a 320gig raid 5 array, and I couldnt move my 
> USB mouse around the screen on my WinXP system without it pausing every 
> second or so as the CPU choked doing the raid computations.
> 
> The Promise card is a true hardware raid. And if I remember correctly, 
> comes with Linux drivers right in the box.
> 
> Oh, in addition you need to give it a DIMM for it's cache memory, there 
> is none on-board. It takes up to 128mb... so right now I have a 5 drive 
> (80gb each) RAID 5 system, 320gb of space, with a 128mb cache. It's 
> beautiful.
> 
> And I've already had a drive go bad on me (it was 4+ years old). Bought 
> a new drive, popped it in, rebuilt the array... and my PC was back.
> 
> Love it. Cant reccomend it enough.
> 
> 
> Jason Donahue wrote:
> 
>> Watch out for over heating everybody!!! I have (had) a micro-atx case
>> running my Myth setup...200GB Drive, and 2 tuner cards. All this in a
>> micro atx case generated a LOT of heat...I mean a LOT.
>>
>> Add to this, the enclosed cabinet wher my HT equipment is held...no
>> circulation.
>>
>> Well, easy to uess, my system got to hot...killed the power supply,
>> which in turn somehow fried my Hard Drive. EVERYTHING lost. ouch.
>>
>> I finally had every setting PERFECT. DAMN.
>>
>> Now I get to start all over. This time I will be using network storage
>> (nfs mounted from a data server, in a nice BIG and COOL case).
>>
>> Additionally, I plan on using software RAID 5, so I have the data
>> redundancy. I also plan on moving 1 tuner into the frontend box in my
>> bedroom...try to distribute the heat from those things.
>>
>> Anyway, thought I'd warn anyone out there...If your case seems really
>> hot - prepare for disaster.
>>
>>
>>
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>>
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