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11-18-2008 07:56 AM
11-18-2008 07:56 AM
Now using the Array config utility after putting in 2 additional spare drives they show up as unassigned drives at slots 4 & 5. If i click on Array A i do not have an option to expand the array nor expand the logical drive. Only option I do get is to Migrate or delete logical drives.
With the new hard drives I am able to create a new Array (B) and make logical drives however again I can not expand array A's logical drives. How or why can't i expand the Array A logical drives? I appreciate all the help. Thank you
I attached images showing disk managment, and how the drives show up in the array utility.
Solved! Go to Solution.
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11-18-2008 07:58 AM
11-18-2008 07:58 AM
Re: Having trouble expanding our Array....not option to do it
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11-18-2008 08:12 AM
11-18-2008 08:12 AM
Re: Having trouble expanding our Array....not option to do it
Then you'll have an empty space on array A to be able to extend the logical unit.
After this Windows will see a bigger disk with the old partition and free space.
The SMart Array controller does not modify the data or filesystem, that has to be done by the operating system.
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11-18-2008 08:32 AM
11-18-2008 08:32 AM
Re: Having trouble expanding our Array....not option to do it
This is where I am stuck. How come the option is not available to expand Array A??
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11-18-2008 08:49 AM
11-18-2008 08:49 AM
Re: Having trouble expanding our Array....not option to do it
Check ACU manual, page 24
http://docs.hp.com/en/9320/acu.pdf
Also check the models and size of the disks. I remember some cases where the new disks were a little smaller than the existing ones, so they could not be added to the RAID without deleting everything first.
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11-18-2008 08:57 AM
11-18-2008 08:57 AM
Re: Having trouble expanding our Array....not option to do it
controller settings
migrate a logical drive
delete logical drives
clear configurations
create array
delete array
==============
thats it.. no options to expand...
However i think i might have found the problem. Can you look at the pick i attached. The person before me who setup the server put the system partion on the same drive as the array with all the apps and data. Is this the reason i can't expand? I believe that you can't expand system partions regardless basic or dynamic (my case basic).
If this is true what options are available to me? Because on the C: drive are are applications and data.
thank you again
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11-18-2008 10:51 AM
11-18-2008 10:51 AM
Re: Having trouble expanding our Array....not option to do it
Do you have the BBWC (Battery Backed Write Cache) option installed on the SmartArray 641 ?
I seem to remember reading somewhere that you need this to support array expansion...
Cheers,
Rob
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11-18-2008 11:21 AM
11-18-2008 11:21 AM
Re: Having trouble expanding our Array....not option to do it
Attached is a pic of the array controller settings.
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11-18-2008 12:20 PM
11-18-2008 12:20 PM
Re: Having trouble expanding our Array....not option to do it
Your picture shows that you don't have any battery packs installed, so you don't have the BBWC option.
The user guide for the 641 here:
http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/c01127202/c01127202.pdf
on page 5-11 states, "The condition of the battery and cache should both be OK" as a condition of being able to expand an array. As you don't appear to have a battery installed, that's why you can't do the expansion.
Cheers,
Rob
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11-18-2008 12:23 PM
11-18-2008 12:23 PM
Re: Having trouble expanding our Array....not option to do it
Cheers,
Rob
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11-18-2008 12:33 PM
11-18-2008 12:33 PM
Re: Having trouble expanding our Array....not option to do it
However one question still lingers. If I were to purchase this additional hardware, would i still be able to expand a windows system partition?
Our current array includes the windows system partition and boot files along with apps and data, therefore I'm questioning if this will still work.
I'm thinking maybe I should make an image of the server, then create two separate logical drives, one for the windows system files, and the other for data and apps.
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11-18-2008 01:26 PM
11-18-2008 01:26 PM
SolutionHmmm... You can usually use the DISKPART utility to extend the Windows file systems, however a quick flick through the Microsoft support article here:
http://support.microsoft.com/kb/325590
shows that this won't work on system partitions, so splitting up the system and data might be your only option.
Regardless, I would always use the BBWC option on SmartArray controllers. It will give you much better performance.
Cheers,
Rob
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11-18-2008 01:38 PM
11-18-2008 01:38 PM
Re: Having trouble expanding our Array....not option to do it
I have read that article and other articles where some other users were able to extend even the system partition uses various techniques. I will try those (of course backing up first) and if to no avail, will just have to image everything over.
I will regardless by the bbwc. Thank you again
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11-20-2008 06:05 AM
11-20-2008 06:05 AM
Re: Having trouble expanding our Array....not option to do it
http://h18000.www1.hp.com/products/quickspecs/11563_div/11563_div.HTML
The 291966-B21 product is the 641 with only the integrated 64 MB and can do Online Capacity Expansion.
And to make it clear again, the Smart Array will NOT touch the Windows partitions, those are two indepennt problems. You need to:
1) increase the size of the array
2) increase the size of the logical drive
3) increase the size of the Windows partition
The Smart Array can only do the first two.
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11-20-2008 09:25 AM
11-20-2008 09:25 AM
Re: Having trouble expanding our Array....not option to do it
> the Smart Array 641 does not, check it's Quickspecs
Although not mentioned in the QuickSpecs, the user guide does specifically state that you need the battery...
Cheers,
Rob