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тАО08-31-2009 02:46 AM
тАО08-31-2009 02:46 AM
E500 Support for disks on both ports in one array/lun
I've been looking for but can not find an answer.
Assuming a suitable server.
An E500 SA card, with cache upgrade
2 x MSA50 enclosures one to each E500 port.
4 HDDs in each enclosure.
Can I configure a single LUN of the 8 HDDs.
Any RAID, pref 1+0.
Thanks in Advance.
Trevor.
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тАО08-31-2009 03:06 AM
тАО08-31-2009 03:06 AM
Re: E500 Support for disks on both ports in one array/lun
an array can't be spanned over two controllers. But you can build two four drive RAID 1+0 and stripe them under your OS.
Best regards,
Patrick
Patrick
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тАО08-31-2009 03:14 AM
тАО08-31-2009 03:14 AM
Re: E500 Support for disks on both ports in one array/lun
An E500 has 2 ports, one for each MSA50.
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тАО08-31-2009 03:25 AM
тАО08-31-2009 03:25 AM
Re: E500 Support for disks on both ports in one array/lun
surely you can span an array over both controller ports, but not over two controllers. So if you attach two MSAs to one controller, you can span an array over both connected MSAs.
Best regards,
Patrick
Patrick
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тАО08-31-2009 03:40 AM
тАО08-31-2009 03:40 AM
Re: E500 Support for disks on both ports in one array/lun
However, you could not do this on the Compaq SA6404.
The HP 4m Would do this.
Hence the question.
How confident are you of a "Yes"?
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тАО08-31-2009 03:54 AM
тАО08-31-2009 03:54 AM
Re: E500 Support for disks on both ports in one array/lun
It is my understanding that the P400 can not do this and it also does not support Dual Domain.
I'll leave this open for a day or two if someone from who has done this can respond.
I don't have the HW lying around to test.
Thanks.
Trevor.
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тАО08-31-2009 04:43 AM
тАО08-31-2009 04:43 AM
Re: E500 Support for disks on both ports in one array/lun
P400 doesn't support dual domain. According to the E500 quickspecs it does support dual domain.
Best regards,
Patrick
Patrick