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тАО10-07-2005 03:18 AM
тАО10-07-2005 03:18 AM
After Expanding Array there is a problem creating Logical Drive
Last week I added 3 additional 36.4GB drives and expanded the array using the Array Configuration Utility. When I go back in to Array Configuration Utility to Create the Logical drive, I know see under Configuration View that there is 83.3GB of unused space. But when I go to create the Logical Drive the max allowed to create is 69.5GB.
I called HP support was was told that this is a parity overhead for Raid 5. I don't believe that answer and know there is another underlying problem but would like to know what it is.
thank you.
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тАО10-07-2005 04:36 AM
тАО10-07-2005 04:36 AM
Re: After Expanding Array there is a problem creating Logical Drive
83.3 * (5/6) = 69.4166
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тАО10-07-2005 04:46 AM
тАО10-07-2005 04:46 AM
Re: After Expanding Array there is a problem creating Logical Drive
What is the max allowed if you try to make a RAID0 logical drive?
ACU DOES display the Usable Free Space in an Array without any overhead. When you go to create a RAID5 logical disk, the max allowed will NOT be the "Usable Free Space" in the array, the overhead must be taken into consideration so HP is correct in what they say.
Even though, it does sound like you missing some space. What are the sizes of the 3 other logical drives? and are there any hot spares?
I would have calculated the Usable Free Space to be a bit higher.
Steven
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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тАО10-07-2005 04:50 AM
тАО10-07-2005 04:50 AM
Re: After Expanding Array there is a problem creating Logical Drive
It could also just be me not having the actual values in fron of me.
Steven
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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тАО10-07-2005 07:49 AM
тАО10-07-2005 07:49 AM
Re: After Expanding Array there is a problem creating Logical Drive
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тАО10-25-2005 09:42 PM
тАО10-25-2005 09:42 PM
Re: After Expanding Array there is a problem creating Logical Drive
Could you explain me what is the problem?
I attach a print screen.