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тАО06-01-2005 05:11 AM
тАО06-01-2005 05:11 AM
I/O Bandwidth of an N-Class/rp7400? Can it support 8 LTO-3 Drives + dual Path (2Gb) SAN Array?
And which PA9000 server would be ideal? I reckon the 8xLTO ESL will require at least 4 2GB FC Cards plus 2 FC Cards for the SAN - so that's a total of 6 HBA's already. If this backup server will be streaming all 8 LTOs to push data from the SAN, will my N-Class be able to handle it?
I am thinking maybe an rp7410 will do or rp440?
I am thinking maybe an rp7410 will do or rp440?
Hakuna Matata.
2 REPLIES 2
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тАО06-01-2005 09:59 AM
тАО06-01-2005 09:59 AM
Re: I/O Bandwidth of an N-Class/rp7400? Can it support 8 LTO-3 Drives + dual Path (2Gb) SAN Array?
Nelson,
The RP4440 has four PCI-X slots, which can each accomodate a dual-channel 2-GB FC card, as well as two PCI slots, which can each handle a single 2-GB FC card with no problem. The total I/O bandwidth of the RP4440 is 6.7GB/s. Based on a maximum transfer rate of less than 200MB/s per LTO drive, it seems that the RP4440 would be up to the task.
I can't find the specs for the RP7410 at the moment, but I expect it will be able to support six 2-GB/s FC channels as well.
If I can get my hands on the specs for the RP7410, I'll let you know how it looks.
Best Regards,
Dave
The RP4440 has four PCI-X slots, which can each accomodate a dual-channel 2-GB FC card, as well as two PCI slots, which can each handle a single 2-GB FC card with no problem. The total I/O bandwidth of the RP4440 is 6.7GB/s. Based on a maximum transfer rate of less than 200MB/s per LTO drive, it seems that the RP4440 would be up to the task.
I can't find the specs for the RP7410 at the moment, but I expect it will be able to support six 2-GB/s FC channels as well.
If I can get my hands on the specs for the RP7410, I'll let you know how it looks.
Best Regards,
Dave
Romans 8:28
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тАО06-02-2005 07:52 PM
тАО06-02-2005 07:52 PM
Re: I/O Bandwidth of an N-Class/rp7400? Can it support 8 LTO-3 Drives + dual Path (2Gb) SAN Array?
Nelson,
basically the N-Class should be able to handle it, if you are using single port FC cards, because it has 10 TwinTurbo slots each capable of 480MB/s.
it supports 4 memory carriers each with max bandwith of 1.9GB/s (so you better have two at least).
*However* from a TCO perspective over 3 years you would most likely go for an rp4440.
Regards,
Bernhard
basically the N-Class should be able to handle it, if you are using single port FC cards, because it has 10 TwinTurbo slots each capable of 480MB/s.
it supports 4 memory carriers each with max bandwith of 1.9GB/s (so you better have two at least).
*However* from a TCO perspective over 3 years you would most likely go for an rp4440.
Regards,
Bernhard
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