Is it possible to split a RAID10 config on an HP ProLiant server with an E200i controller?

Is it possible to split a RAID10 config on an HP ProLiant server with an E200i controller?
I have a backup DC in a branch location.
This server has 8 x 146GB 2.5" SFF HDDs in a RAID10 config.
Besides being the backup DC, this server is also a backup file server for that branch.
The primary server in that branch has more space and the amount of data has now exceeded the amount of space on the backup server.
I was reading about RAID splitting but I can't determine if this RAID controller supports it.
I'd rather not have to demote the DC and rebuild from scratch.
I was thinking I could get 8 x 300GB 2.5" SFF HDDs and follow the HP documentation for manually splitting the RAID config.
Hopefully someone here can give me some insight or perhaps let me know of an alternative solution that doesn't require me to have to reinstall the OS.
Thanks in advance.
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Martin MillerCTOCommented:
Dearest HomerSimpson,

Plan your split with configurations that can be supported... And NO you can just remove and add disks, for reconfigure...
Are you looking to stay all Raid-10 or another configuration, please advise?

Consider if Raid-10 or another Raid, e.g. 5 or 50, or something else makes sense for you.
Mark BillExchange, AD, SQL, VMware, HPE, 3PAR, FUD, Anti MS Tekhnet, Pro EE, #1Commented:
Exact model of the server please.
Mark BillExchange, AD, SQL, VMware, HPE, 3PAR, FUD, Anti MS Tekhnet, Pro EE, #1Commented:
Is it possible to split a RAID10 config on an HP ProLiant server with an E200i controller? --> What do you mean split? create more volumes at the HP layer? Personally if all of this is on 1 server and 1 internal array I would create only 1 volume in the HP raid manager whether that be raid 5, 5+1 whatever. I would then divide this up into more volumes strategically in Windows.

I have a backup DC in a branch location. --> I would look at your solution overall before advising on DC etc. * edit.

I'd rather not have to demote the DC and rebuild from scratch.--> Setup sounds bad at overview, it may be best to take a step back here. Use some consultancy, perhaps use live help feature? guys on here are great. Personally I only really do half day or full day. Its impossible to give you solid good advice right now without knowing a lot more.

Is your environment in the branch office virtualized at all?
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andyalderSaggar maker's framemakerCommented:
Yes, you can use the split mirror procedure to replace the current disks with larger ones.

If you generate an ADU report it will show which disks are mirrored pairs. Shut down and remove one disk from each mirror, power on and replace missing disks with larger, wait for rebuild, power off and repeat. Obviously you should have a good backup in the very unlikely event of a failure. Bear in mind that the cache battery must be fitted and working for this procedure to work.

If you're not sure about checking the ADU report then upliad the TXT version and I will point out the mirror list.

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homerslmpsonAuthor Commented:
This particular server is an HP ProLiant ML350 G5.
It currently has one RAID10 volume consuming all 8 hard drives.
HP has a document HERE that goes over the process of what they call "breaking mirrors and rebuilding drives".
This sounds exactly like what I'm looking to do. Unfortunately it doesn't really state what RAID controllers support this and what controllers don't.
I definitely want a RAID10 config.
The very last sentence in that document is "If they are not available, then your only option is to break the RAID mirror and rebuild with larger capacity drives.".
Clearly it is possible to do what I'm looking to do; I'm just trying to figure out if this particular RAID controller supports it.
When I look online at the E200 documentation, it clearly states towards the bottom of page 2 that it supports "mirror splitting and recombining".
homerslmpsonAuthor Commented:
For whatever reason, this server doesn't have the ADU so I ran the insight diagnostics and pulled up the storage section (both, summary and advanced).
I've attached them so you can take a look.
Please let me know if you can tell which drives are paired together.
Mark BillExchange, AD, SQL, VMware, HPE, 3PAR, FUD, Anti MS Tekhnet, Pro EE, #1Commented:
I am genuinely not sure, I posted a topic about the same server 2 months ago, it did not even have an actual raid card and it did not run under usual HP array tools. Not a chance I would have done this with that server.

do you have warranty?

why would you break it when you could just use acronis with support to do the job for you more safely? your goal here is to get a new array with different config right?

I prefer a safer way personally, Acronis True Image is very good when ran through an array and you have option of their support if you do not have option of HP support, remember this server is donkeys years old and be careful.
andyalderSaggar maker's framemakerCommented:
Insight Diags does not have the mirror info. You can use SmartStart CD for ADU report (using ACU under diagnostics) and save to USB key, or some versions of ACU have diagnostic tab where you can generate it and it is also available under HPSSA and hpacucli. Your battery is faulty so you have to replace that first.

You can of course replace one by one but then you won't have 4 disks that comprise a whole set of data for emergency use.

BTW, did diags show disk 7 as a bit dodgy? - search PDF for "read errors"
homerslmpsonAuthor Commented:
@Mark Bill:
I'm going to download an Acronis trial so I can create a boot CD.
If the boot CD detects the drives, then great - I'll likely go this route.
If it doesn't, I'll likely try the method I linked to.
If all falls to sh*t, I'll put the original drives back in, boot the server, demote it, install the upgraded hard drives and then rebuild.
It's a backup server; emphasis on backup.
I'm not going to purchase a newer server just so it can sit in the background not being used lol.

I see the errors you spoke of. Don't know how serious they are but in the end the drives are going to be replaced anyway.
But thank you for bringing this to my attention.
I'm going to see what Acronis can do for me before trying the method you and I spoke of.
Mark BillExchange, AD, SQL, VMware, HPE, 3PAR, FUD, Anti MS Tekhnet, Pro EE, #1Commented:
Acronis trial is protected, they want you to buy it. Only costs 300 for full version.
Like I say be careful here. You have support remember, call Acronis.

Do not do a job like this with no support if your in a customers site or you value you where you work.
Just take the best option for you, the customer etc, have at least one backup plan if things go wrong possibly two.
Mark BillExchange, AD, SQL, VMware, HPE, 3PAR, FUD, Anti MS Tekhnet, Pro EE, #1Commented:
Acronis will allow you to 1) take backup image , 2) restore backup image as is if needs be and 3) restore it onto a new array/volume you built with whatever settings you need.

I would also HPE firmware pack that thing after step 1) above.

If it does not have drivers call them, they have support.
andyalderSaggar maker's framemakerCommented:
You asked if the Split Mirror Procedure worked on the E200i, and I answered that correctly with "yes".
That you used some other method or changed your mind about what you wanted to do does not negate that.
homerslmpsonAuthor Commented:
You're right. Sorry about that. Should have assigned you your points.
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