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New Build - RAID Question..?? - Wirezfree - 10-08-2015


Hi,


Probably one for the dev's..??
A friends ask me to look at putting together a "Mini i7 PC" bare bones with LL on it.
((It's new, only 4 review's, 3 are running Linux on it.))


It's got 2 X mSATA slots, and he asked if it's possible to do a "RAID 0" set-up on them,
for improved throughput, but at the loss of redundancy. So put the OS across 2 X 120GB SSD's




Re: New Build - RAID Question..?? - rokytnji - 10-08-2015

Would that not be op to the bios more than the operating system wirezfree?


Re: New Build - RAID Question..?? - Wirezfree - 10-08-2015

Yes, you can have H/W based raid controllers, but also Software based.
In Windows it was possible in Software, it was added from XP Pro on, depending on version.


EDIT..
Just found this on "Ubuntu Software Raid"
Quick read seems to indicate a "Alternate Install".. need to read more




Re: New Build - RAID Question..?? - rokytnji - 10-08-2015

Well, if looking for a software raid solution, instead of a hardware raid solution.

You get to pick the search term.

http://www.googlubuntu.com/

Good Luck.




Re: New Build - RAID Question..?? - Wirezfree - 10-09-2015

Thanks...

Found a couple of things, but they are on Mint RAID 0 & MINT RAID 1 need to read a few times... seems a little techy


Re: New Build - RAID Question..?? - firenice03 - 10-09-2015

If looking to RAID, I've always heard hardware RAIDs were preferred over software - now sure software has come along way and maybe the hardware doesn't support it in the set up....
If an OS level RAID for a workstation, wouldn't there be concern if the OS went corrupt??? Just thinking out loud..
Defiantly intriguing though  Big Grin


Re: New Build - RAID Question..?? - Wirezfree - 10-09-2015

@firenice03,

Yes, there are risks... Certain types of RAID allow you to have disk failures,
then when you replace the disk, it re-builds the array itself based on content on remaining disks.
Normally RAID is used in Servers.
I think it was curiosity because it's unusual to have multiple mSata slots in such a small PC.



There are H/W devices that allow you to build a RAID device from 2 X mSata cards
that then fit in a single 2.5" slot, but they have mixed reviews...
Like this one 2 X mSata Adapter


Re: New Build - RAID Question..?? - firenice03 - 10-09-2015

Thanks Wirezfree

(10-09-2015, 07:51 AM)Wirezfree link Wrote: @firenice03,

Yes, there are risks... Certain types of RAID allow you to have disk failures,
then when you replace the disk, it re-builds the array itself based on content on remaining disks.
Normally RAID is used in Servers.
I think it was curiosity because it's unusual to have multiple mSata slots in such a small PC.



There are H/W devices that allow you to build a RAID device from 2 X mSata cards
that then fit in a single 2.5" slot, but they have mixed reviews...
Like this one 2 X mSata Adapter

That adapter is cool... Back in the day I RAID'ed (lol)  a workstation, but just for storage the OS was on a separate disk for that reason... I'm curious how well it works..
I've thought about a Windows server with drives in a RAID mostly for storage and redundancy (pictures), then debated a NAS (FreeNAS is pretty slick) but hey if LL can pull it off too Smile ...




Re: New Build - RAID Question..?? - Wirezfree - 10-09-2015

I have been reading some of the stuff on setting up RAID...
I got a headache, seems like luck if you get it working, very mixed results.
I think I will suggest he thinks about normal install...
To be honest I'm not sure how much improvement it will give over just using single SSD disk.??

Yes, that dual mSATA H/W raid looks interesting
But @ $220 for 2 X mSATA(120GB) and the mSATA Card,
It could prove to be an expensive experiment....


Re: New Build - RAID Question..?? - firenice03 - 10-10-2015

I hear ya,  especially when you start looking at the differences, the gains and then the one offs...

(10-09-2015, 06:30 PM)Wirezfree link Wrote: But @ $220 for 2 X mSATA(120GB) and the mSATA Card,
It could prove to be an expensive experiment....
Isn't that just about everything  Wink lol