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тАО09-14-2009 06:35 PM
тАО09-14-2009 06:35 PM
MSL 6030 support 2 LTO-4
Hi friends
I have a MSL6030 and i want to upgrade drives to 2 LTO-4. But i have problem because one drive is available and other not initial on OS.
whether MSL6030 support 2 LTO-4 drives?
I have a MSL6030 and i want to upgrade drives to 2 LTO-4. But i have problem because one drive is available and other not initial on OS.
whether MSL6030 support 2 LTO-4 drives?
3 REPLIES 3
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тАО09-14-2009 11:31 PM
тАО09-14-2009 11:31 PM
Re: MSL 6030 support 2 LTO-4
Each LTO4 should be on the own scsi bus
Also you will get the benefit of the higher capacity, but the speed may not reach the expected value due to some internal component in the MSL that will slow down the thoughput
Also you will get the benefit of the higher capacity, but the speed may not reach the expected value due to some internal component in the MSL that will slow down the thoughput
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тАО09-16-2009 07:04 AM
тАО09-16-2009 07:04 AM
Re: MSL 6030 support 2 LTO-4
Hi Folks,
mas1, yes, the MSL6030 supports 1 or 2 LTO4 drives, either SCSI or FC.
Max data rate per QuickSpecs is 1.7TB/h, with two concurrent drives and compression, but take this number with a grain of salt, production rates will decrease due to a number of factors (file size, backup software used, system load, etc.)
Data sheet at http://h18004.www1.hp.com/products/quickspecs/11863_div/11863_div.HTML
Also, the EBS is a great starting point:
http://h18000.www1.hp.com/products/storageworks/ebs/ebs123-1.html
Marino, may you please explain what internal components could slow down the data throughput? I thought that the internal components (robotics controller and such) did not manage data flow. May be that is the case with the integrated SCSI to FC data router?
Thanks,
Albatross
mas1, yes, the MSL6030 supports 1 or 2 LTO4 drives, either SCSI or FC.
Max data rate per QuickSpecs is 1.7TB/h, with two concurrent drives and compression, but take this number with a grain of salt, production rates will decrease due to a number of factors (file size, backup software used, system load, etc.)
Data sheet at http://h18004.www1.hp.com/products/quickspecs/11863_div/11863_div.HTML
Also, the EBS is a great starting point:
http://h18000.www1.hp.com/products/storageworks/ebs/ebs123-1.html
Marino, may you please explain what internal components could slow down the data throughput? I thought that the internal components (robotics controller and such) did not manage data flow. May be that is the case with the integrated SCSI to FC data router?
Thanks,
Albatross
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тАО09-16-2009 08:40 AM
тАО09-16-2009 08:40 AM
Re: MSL 6030 support 2 LTO-4
What is limited is the negotiated speed (80MB/s (msl5000)or 160 MB/s) (written also in quickspec in the link you provided under "Related Options"
Some internal components are only slowing down the negotiation speed during domain validation of the scsi bus, they do not interfere with the data flow.
Some internal components are only slowing down the negotiation speed during domain validation of the scsi bus, they do not interfere with the data flow.
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