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тАО07-19-2009 11:37 PM
тАО07-19-2009 11:37 PM
Can anybody tell me if it is possible to add another controller on an MSA30 Single Bus Storage? And if so, can you point me to the proper steps to take in order to achieve a dual bus configuration
Thanks heaps!
Solved! Go to Solution.
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тАО07-20-2009 12:27 AM
тАО07-20-2009 12:27 AM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
The only difference on the Single Bus and Dual bus model is the IO Module and the supplied cables (1 cable for single, 2 for dual)
I'm not sure if data on disks in the enclosure will be intact when changing the IO module - please check elsewhere.
This is the Dual Bus IO Module: 287483-B21
Regards
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тАО07-20-2009 03:18 AM
тАО07-20-2009 03:18 AM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
Just to avoid any confusion, the MSA30 does not have any controllers - it is just a disk shelf. It has different I/O modules, that allow it to be Single Bus or Dual Bus.
To move from a single to dual bus configuration you change the I/O module, however you are very likely to need to change the configuration on whatever controllers the MSA30 is connected to.
Please give us the full hardware configuration if you need more info...
Cheers,
Rob
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тАО07-20-2009 04:31 PM
тАО07-20-2009 04:31 PM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
The configuration is as follows:
1 x MSA30 SB with 9 x 146GB 15KRPM SCSI HDD
This is connected to an rp4440 with an SA6402 (256 Cache Mem)
Disk Configuration
LUN1: c4t0d0
RAID: 1+0
#Disks: 6
LUN2: c4t0d0
RAID: 0
#Disks: 2
The remaining disk is a spare disk
Regards,
Chris
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тАО07-20-2009 09:56 PM
тАО07-20-2009 09:56 PM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
I have achived your requirement by replacing the controller in MSA30 with a Multi Initaiator Card (MIC).
So we were connected our clustered DB Server (2 Numbers) to MSA30 and it is working fine.Maximum 2 Servers are possible.
Please go through the below link.
http://www.it-einkauf.de/images/PDF/943FWN3.pdf
Thanks and Regards,
Manoj K
Manoj K
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тАО07-21-2009 09:52 AM
тАО07-21-2009 09:52 AM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
Also, where in the MSA30 are the current drives located ? When moving to a dual bus, the SCSI IDs will change, which could have an impact on the existing configuration.
Cheers,
Rob
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тАО07-22-2009 10:11 PM
тАО07-22-2009 10:11 PM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
The drives are all located at the leftmost part of the storage when looking at the front. If SCSI IDs will change, then I would need to do a backup/restore on my VGs, now would I?
Thanks!
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тАО07-22-2009 10:15 PM
тАО07-22-2009 10:15 PM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
- shut down the system
- replace I/O module, connect second bus
- move disks to new positions
- power on the system
- SmartArray controller will recognize changes
This is transparent for HP-UX, which is using the SA6402's logical disks.
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тАО07-22-2009 10:26 PM
тАО07-22-2009 10:26 PM
Re: Can I upgrade a Single Bus MSA30 to Dual Bus? How?
Thanks for the info. Just when you say "move disks to new positions", how do you propose I do the movement, cause, as I've mentioned, they're all at the left most part of the storage. Should I divide them up, five at the leftmost then 4 to start at the middle?
Regards,
Chris
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тАО07-22-2009 10:35 PM