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тАО11-24-2009 02:37 PM
тАО11-24-2009 02:37 PM
I'm very new to RAID, but understand the concepts and how to setup an array etc, although I have only done it a couple of times.
I have an ML110G5 with onborad RAID controller.
In the past (with non raid systems) I have always had my OS on C:Drive and data on D:Drive.
I want to continue this practice with my ML110 using RAID 1, but I'm worried if the onboard controller will be able to handle two RAID1 arrays (Drive C:array 1) & (Drive D:array 2).
My question...
Is the chip robust enough to handle this, or will it be pushing it's limits and prone to errors?
Solved! Go to Solution.
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тАО11-25-2009 04:43 AM
тАО11-25-2009 04:43 AM
Re: Can the onbord RAID controller support 2 arrays with ease?
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тАО11-26-2009 02:39 PM
тАО11-26-2009 02:39 PM
Re: Can the onbord RAID controller support 2 arrays with ease?
but if it is anything critical i would make a tape backup every day incremental one..
the servers that are 350 series and up have much better raid systems hardware based entirely,but cost more ....hmm..
I would also get a dat usb tape drive
points appreciated
This is how you thank in the forum
http://forums11.itrc.hp.com/service/forums/helptips.do?#33
enjoy :)
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тАО11-26-2009 05:00 PM
тАО11-26-2009 05:00 PM
Re: Can the onbord RAID controller support 2 arrays with ease?
In response to both of your comments, I may have a fairly high i/o demand from the server, but looking at a better raid solution or higher spec server is not an option (financially) at the moment, hence my purchase of these machines. I am hoping they will suffice for the time being.
I will be hosting around 50 very small websites on each. I realise they are not ideal for this but... recession, etc
If I may elaborate on my question...
Scenario 1:
If I had my O/S -AND- my websites on a single array (on Drive C:) the RAID chip and disks would be busy running Windows AND serving webpages, ok...
Scenario 2:
But, having my websites on a 2nd array (D:) should in theory speed up the serving of these websites, as the 2nd array isn't having to manage all the I/O workload for the O/S stuff.
But... does the RAID chip have a preference to Scenario 1, or Scenario 2 (in terms of stability, reliability, performance) ?
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тАО11-27-2009 04:37 PM
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тАО11-27-2009 04:39 PM
тАО11-27-2009 04:39 PM
Re: Can the onbord RAID controller support 2 arrays with ease?
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тАО12-01-2009 02:17 PM
тАО12-01-2009 02:17 PM
Re: Can the onbord RAID controller support 2 arrays with ease?
One last query if that's OK with you...
Obviously the data takes priority and I definitely want that on a RAID array.
The O/S however, could easily be restored from a Ghost image in minutes.
So, what would you say to having a third scenario with 3 disks, where I have Windows on a single non-RAID HDD, and my data (D:) on a RAID1 array?
I assume this scenario is possible with the ML110G5? and I also assume it would take some of the strain off the controller chip by only having one array to manage?
I realise these machines are low spec, that's why I don't want to push them too hard.
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тАО12-01-2009 03:05 PM
тАО12-01-2009 03:05 PM
Re: Can the onbord RAID controller support 2 arrays with ease?
if the os i
but this would not really create any overhead as the data would be written from cache it would not be going over from disk to disk and using io transfers per say ,,
so no need to cut to a bare minimum
and feel free to ask thats why we are here
This is how we thank in the forum
http://forums11.itrc.hp.com/service/forums/helptips.do?#33
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тАО12-02-2009 12:57 AM
тАО12-02-2009 12:57 AM
Re: Can the onbord RAID controller support 2 arrays with ease?
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тАО12-02-2009 05:57 AM
тАО12-02-2009 05:57 AM
Re: Can the onbord RAID controller support 2 arrays with ease?
i will clarify
if you mirror the os
this would not really create any overhead as the data would be written from cache it would not be going over from disk to disk and using io transfers per say ,,
so no need to cut to a bare minimum
so basically I would mirror the OS aswell
and feel free to ask thats why we are here
This is how we thank in the forum
http://forums11.itrc.hp.com/service/forums/helptips.do?#3