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тАО11-28-2007 04:12 AM
тАО11-28-2007 04:12 AM
New RAID Controller
I got a new HP SmartArray P400.
I only have one hard drive; i got this controller as I wanted to benifit from the 512MB Cache.
I have configured this as "RAID 0" in the ROM options (by pressing F8 at boot i think).
Is this correct?
Cheers
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тАО11-28-2007 04:13 AM
тАО11-28-2007 04:13 AM
Re: New RAID Controller
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тАО11-28-2007 04:16 AM
тАО11-28-2007 04:16 AM
Re: New RAID Controller
By default ACU enables caching on the logical units created, so it should be enabled.
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тАО11-28-2007 04:19 AM
тАО11-28-2007 04:19 AM
Re: New RAID Controller
For more controller / RAID options you can use the Array Configuration Utility. However, with one hard drive, there is no other RAID possible. The real benefit of the P400 controller & the 512 MB cache will be when you actually have more hard drives for RAID 1, 5...
But for the current setup, these settings will do perfectly.
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тАО11-28-2007 06:11 AM
тАО11-28-2007 06:11 AM
Re: New RAID Controller
cheers
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тАО11-28-2007 06:28 AM
тАО11-28-2007 06:28 AM
Re: New RAID Controller
The Array Configuration Utility can be used to set the read/write ratio for the controller. These options are not available through F8 (Option ROM Configuration of Arrays). If ACU is not installed already, you can download it from:
http://h18007.www1.hp.com/support/files/storage/us/download/27533.html
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тАО11-28-2007 10:21 AM
тАО11-28-2007 10:21 AM
Re: New RAID Controller
ps. I have the read/write ration set to 50/50 - is this good?
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тАО11-28-2007 02:33 PM
тАО11-28-2007 02:33 PM
Re: New RAID Controller
as adric says the real benefit from using smart array controller is when you have several HDDs
but what I can see here for you configuration you want to get all the performance available:
RAID 0 the fastest one but not there is not tolerance so if that HDD dies everything is going to die...
apart from RAID 0 you're enabling DWC you get even more speed...
so yes you configured your RAID 0 fine, you enable DWC OK and yes the ratio 50/50 is OK
regards
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тАО11-28-2007 06:23 PM
тАО11-28-2007 06:23 PM
Re: New RAID Controller
I was wondering if someone could tell me the part number of the 160GB Hard Drive I would need to make a RAID Array? there ar esoo many different part numbers for hard drives for the ML310 G4...
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тАО11-28-2007 11:16 PM
тАО11-28-2007 11:16 PM
Re: New RAID Controller
Generally, this information is available in the Quickspecs for the server.
http://h18004.www1.hp.com/products/quickspecs/12570_div/12570_div.html