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jordanwwoods
Xsan Master
Joined: 24 Apr 2007
Posts: 85
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 Posted: Wed Feb 20, 2008 12:38 pm Post subject: Bandwidth??? |
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| I wanted to start a thread about people's configuration to maximize bandwidth. I have heard about some facilities "hacking" the software to open up the ceiling so to speak, but have not confirmed that info. Does anyone out there see better than 800mb/s on their SAN? is Xsan2 able to address this. I'd love to hear how people have built their "Ferraris" of san installs. |
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Tim Burton
Xsan Master
Joined: 04 Aug 2006
Posts: 260
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| Posted: Thu Feb 21, 2008 4:36 am Post subject: |
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Do you mean 800+ on one client?
I've seen 650ish on a dual 4Gb client.
T |
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addihetja
Xsan Master
Joined: 20 Dec 2006
Posts: 109
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| Posted: Thu Feb 21, 2008 2:58 pm Post subject: |
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| What is the max for one 2Gb client? |
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Bryson
Could work for Apple
Joined: 31 May 2005
Posts: 43
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| Posted: Fri Feb 22, 2008 11:46 am Post subject: |
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| addihetja wrote: | | What is the max for one 2Gb client? |
I believe that 500MB per sec is the theoretical 4Gb limit so we'd be looking at 250MB for 2Gb.
That said, that's theoretical, like Communism.
If you want sheer numbers, hook up a bunch of raids volume-based, with a 4 port atto. Take speedy RAID-5's and "0" them together and I'll bet you could flood the bus. But... You'll still bump up against the finder limits. |
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Tim Burton
Xsan Master
Joined: 04 Aug 2006
Posts: 260
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| Posted: Tue Feb 26, 2008 5:03 am Post subject: |
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| Reality for 4Gb is 380MB/sec |
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addihetja
Xsan Master
Joined: 20 Dec 2006
Posts: 109
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| Posted: Tue Feb 26, 2008 10:46 am Post subject: |
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| Single or dual channel? |
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Tim Burton
Xsan Master
Joined: 04 Aug 2006
Posts: 260
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| Posted: Tue Feb 26, 2008 12:08 pm Post subject: |
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larspetter
RAID 5
Joined: 06 Sep 2005
Posts: 19
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| Posted: Thu Jun 05, 2008 11:23 am Post subject: |
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So what are people actually seeing with a single Promise raid on 4Gbit fiber configured with the apple 1MD and 2 DATA LUNs configuration?
With AJA speed system test for instance? What are the read/write you manage to get out of that config? |
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rstasel
Xsan Master
Joined: 03 Aug 2007
Posts: 120
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| Posted: Thu Jun 05, 2008 1:17 pm Post subject: |
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I'm seeing about 70MB/sec write, and 145MB/sec read via 2G FC, dual channel.
Since that isn't maxing out 2G, I would tend to think there is some bottleneck.
I haven't tried just a direct connect 1 LUN Raid5. |
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