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Topic Title: 0 channel RAID on a Tyan S2882
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Created On: 04/10/2005 11:51 PM
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 04/10/2005 11:51 PM
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tribedude
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Joined: 03/13/2005

I am finally getting most of the parts for our new dual opteron database server this week.

I am looking over the specs for the Tyan S2882 we are getting and see that it can take a zero channel RAID card like the Adaptec SCSI RAID 2015S that fits in a special daughter card slot on the board itself.

We have a Mylex AcceleRAID 600 2Ch U320 PCI-X SCSI RAID 256MB onhand that I bought on ebay.

Is the Mylex card a better choice to use on this the motherboard or would the Zero channel option be better?

I am looking for maximum bandwidth and stability...

 04/11/2005 12:08 AM
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Black No.1
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I am unclear on what you are asking... I think what you are saying is (and correct me if I am wrong), that you want to use the on-board SCSI controller with the Zero Channel RAID controller tro enable RAID 0 on your mobo... If this is the case, the 2015S only has 48 MB of onboard SDRAM whereas the Mylex has 256.
I would stick with the Mylex since you have it and it has alot more SDRAM. You will suck a couple more watts of juice and generate a teeeeny bit more heat,, but unless you are running a couple blades in a cramped space I wouldn't worry.
Besides, You will get 2 more SCSI Channels!
Bandwith and latencies would stay the same since the Zero channel has to pipe to the new controller then back to your SCSI controllers anyway, so you wouldn't see much of a dif there.

Mylex is a pretty good brand anyway... how much did you pay for yours?


-------------------------
Dual AMD MP 2800+ OC'd to 3.08 (140 x 22) Dual Vapochill
Gigabyte GA-7DPXDW+
1024 MB Kingston DDR Reg ECC 3200
Radeon 9800 128 Vram
2 x Maxtor 80 Gig ATA 133 8 M cache RAID 0
2 x Seagate 'cudas 80 Gig ATA 133 8 M cache RAID 0 (Swap + Junk)
1 Seagate 'cuda 80 Gig file storage
 04/11/2005 03:02 AM
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tribedude
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QUOTE (Black No.1 @ Apr 10 2005, 08:08 PM) I am unclear on what you are asking... I think what you are saying is (and correct me if I am wrong), that you want to use the on-board SCSI controller with the Zero Channel RAID controller tro enable RAID 0 on your mobo... If this is the case, the 2015S only has 48 MB of onboard SDRAM whereas the Mylex has 256.
I would stick with the Mylex since you have it and it has alot more SDRAM. You will suck a couple more watts of juice and generate a teeeeny bit more heat,, but unless you are running a couple blades in a cramped space I wouldn't worry.
Besides, You will get 2 more SCSI Channels!
Bandwith and latencies would stay the same since the Zero channel has to pipe to the new controller then back to your SCSI controllers anyway, so you wouldn't see much of a dif there.

Mylex is a pretty good brand anyway... how much did you pay for yours?
255 bucks for the Mylex Card... A pretty good deal I have been told.
 04/11/2005 09:07 AM
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derGhostrider
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In case of reliability I'd also tend to the Mylex.
If you would ask me what controller may be the best I'd recommend LSI or maybe ICP Vortex. But if you have to decide between Adaptec and an U320 Mylex you already have I'd use the Mylex. If the performance does not meet your requirements you may still try something else.

-------------------------
Regards,
  Ghostrider

·CPUs - 2*Opteron 246
·Mainboard - Tyan Thunder K8W S2885ANRF
·RAM - 4*Corsair TwinX1024RE-3200LL (4GB, 8*512MB, DDR400, 2-3-2)
·Graphics - HIS IceQ-II X800Pro
·HDD - Western Digital Raptor WD740GD, 74GB, 10k
·RAID - 3Ware 7850, 64bit PCI, 8chn hardware RAID
·RAID-HDDs - 5*WD800JB
·Optical - 1*SlimSize CD-ROM; 1*NEC7441 DVD-RW
·Sound - Creative SoundBlaster X-Fi Elite Pro

 04/11/2005 04:02 PM
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Black No.1
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QUOTE tribedude Posted on Apr 10 2005, 11:02 PM
  QUOTE (Black No.1 @ Apr 10 2005, 08:08 PM)
I am unclear on what you are asking... I think what you are saying is (and correct me if I am wrong), that you want to use the on-board SCSI controller with the Zero Channel RAID controller tro enable RAID 0 on your mobo... If this is the case, the 2015S only has 48 MB of onboard SDRAM whereas the Mylex has 256.
I would stick with the Mylex since you have it and it has alot more SDRAM. You will suck a couple more watts of juice and generate a teeeeny bit more heat,, but unless you are running a couple blades in a cramped space I wouldn't worry.
Besides, You will get 2 more SCSI Channels!
Bandwith and latencies would stay the same since the Zero channel has to pipe to the new controller then back to your SCSI controllers anyway, so you wouldn't see much of a dif there.

Mylex is a pretty good brand anyway... how much did you pay for yours? 


255 bucks for the Mylex Card... A pretty good deal I have been told. 

If it came in a package and not used, I would say you got a good deal. Let us know how it works for ya!

-------------------------
Dual AMD MP 2800+ OC'd to 3.08 (140 x 22) Dual Vapochill
Gigabyte GA-7DPXDW+
1024 MB Kingston DDR Reg ECC 3200
Radeon 9800 128 Vram
2 x Maxtor 80 Gig ATA 133 8 M cache RAID 0
2 x Seagate 'cudas 80 Gig ATA 133 8 M cache RAID 0 (Swap + Junk)
1 Seagate 'cuda 80 Gig file storage
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