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Raid 10 or raid 5


leadmd
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Hi.

I Have microserver gen8 anf p410 controller. No in it 2 wd red 3tb in raid 1.

Now is critical no free space on it.

 

What raid is get raid 10 - get 2 drives 6 tb - but in raid calulator i see 3 tb in 6 tb drives are not usable. efficive massive size is 6tb only. not 9.

in raid 5 array size is 9tb.

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If you mix drive sizes in RAID the controller can only use the smallest size. In your case that would be 3TB, a four drive RAID10 is 6TB and a four drive RAID5 is 9TB. You may want to set up the two 6TB drives in a RAID1.

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Isn't MS Gen8 limted to maximum 4TB per drive?

So 4×4TB=16TB

Raid 1 = 8TB

Raid 5 = 12TB

 

No, the larger drives work.  I've used 5TB drvs with no issue.

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Then the limitation is for maximum capacity, right?

 

No, there is NO Limitation.......

 

See: http://homeservershow.com/forums/index.php?/topic/6041-gen8-hot-plug-sata-hard-drive/?p=67284 

 

http://homeservershow.com/forums/index.php?/topic/8165-wd-6tb-red-wd60efrx-in-gen-8/?p=90725 

Edited by Joe_Miner
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http://homeservershow.com/forums/index.php?/topic/8165-wd-6tb-red-wd60efrx-in-gen-8/?p=91005 

 

http://homeservershow.com/forums/index.php?/topic/8165-wd-6tb-red-wd60efrx-in-gen-8/?p=105897

 

The DataSheets are based on what was available from HP at the time they were written.

 

Lot's of information available thru the links at http://homeservershow.com/forums/index.php?/topic/5639-proliant-microserver-gen8-links/  

Edited by Joe_Miner
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This is from the official specs.

HPe lists what is available from HPe as upgrades for their servers. At the time of writing, HPe only has 4TB SATA drives in the LFF non-hotplug caddy that the Gen8 Microserver uses so that is why they only list 4TB there. They only list and validate against what they sell themselves. Anything else is up to you and in this case, there is no size limitation for B120i or P410. Once you exceed 2TB disks then the next capacity limit is huge and we're nowhere near it. The old P400 cards however are limited to 2TB per physical disk.
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