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тАО11-19-2008 08:15 AM
тАО11-19-2008 08:15 AM
MSA 2012 Failover
HI,
I have an MSA (SAS) connected to a DL380G5 with 2 HBA cards in the server. Card 1 goes to controller A and card 2 goes to controller B in the MSA.
There are 12 disks in the MSA and I have created 4 vdisks. Two vdisks are mapped to one HBA and the other 2 are mapped to the other HBA. Each controller is responsible to 2 volumes each. I can see the disks in Windows and all is well.
What happens if controller A fails, will controller B take over the 2 volumes it is not currently responsible for?
What happens if one of the HBA cards fails in the server? Will the other HBA take over?
I have an MSA (SAS) connected to a DL380G5 with 2 HBA cards in the server. Card 1 goes to controller A and card 2 goes to controller B in the MSA.
There are 12 disks in the MSA and I have created 4 vdisks. Two vdisks are mapped to one HBA and the other 2 are mapped to the other HBA. Each controller is responsible to 2 volumes each. I can see the disks in Windows and all is well.
What happens if controller A fails, will controller B take over the 2 volumes it is not currently responsible for?
What happens if one of the HBA cards fails in the server? Will the other HBA take over?
2 REPLIES 2
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тАО11-20-2008 02:36 AM
тАО11-20-2008 02:36 AM
Re: MSA 2012 Failover
Hi David
if you have the DSM loaded then yes.
http://www.hp.com/go/msa
select product and download HP MSA2000 MPIO DSM package
to manage DSM it uses a cli called dsmcli
to run from windows start menu or command line propmt:
c:\program files\Hewlett-Parckard\HPMPIO DSM\MSA2000
enter command dsmcli
commands are
-devinfo
-clear
-help
-pathinfo
-policies
-primary
-weight
-mpiolist
-pgr
hope that helps
if you have the DSM loaded then yes.
http://www.hp.com/go/msa
select product and download HP MSA2000 MPIO DSM package
to manage DSM it uses a cli called dsmcli
to run from windows start menu or command line propmt:
c:\program files\Hewlett-Parckard\HPMPIO DSM\MSA2000
enter command dsmcli
commands are
-devinfo
-clear
-help
-pathinfo
-policies
-primary
-weight
-mpiolist
-pgr
hope that helps
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тАО11-21-2008 11:42 AM
тАО11-21-2008 11:42 AM
Re: MSA 2012 Failover
Thanks for the input. I have installed this and it says that it is using roundrobin.
Am I correct in saying that if a HBA fails the data will travel across the other HBA in the server?
Am I correct in saying that if a HBA fails the data will travel across the other HBA in the server?
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