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HP P2000 Storage G3 SAS SMU Reserved Space... What is it

 
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bpdzenithltd
Visitor

HP P2000 Storage G3 SAS SMU Reserved Space... What is it

Hi. We have several HP SAN systems in our small business network.

 

the storage array in question has 4 x 2tb disks running in RAID 5 

 

as the screenshot shows it has 8TB capacity but only uses 6TB for the Vdisks with 2tb as reserved space.

 

i went through the SMU manual but couldn't find reverence to "reserved space"

 

can anyone explain what it is ? 

 

many thanks

Gordon

 

 

P.S. This thread has been moved from General to Storage Area Networks (SAN) (Small and Medium Business). - Hp Forum Moderator

4 REPLIES 4
Torsten.
Acclaimed Contributor

Re: HP P2000 Storage G3 SAS SMU Reserved Space... What is it

Sure it is marked as reserved space? or is it just raw space in another group of physical disks? See the legend below.

 

But it could even be the sapce needed for redundancy depending on the type of the vdisk.

 

Select the row and you will see more details.


Hope this helps!
Regards
Torsten.

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bpdzenithltd
Visitor

Re: HP P2000 Storage G3 SAS SMU Reserved Space... What is it

The array only has 4 disks so i dont think it can be raw space in another group.

 

when i expand disk it shows the space as "overhead" as shown in the screen shot

 

many thanks

Torsten.
Acclaimed Contributor
Solution

Re: HP P2000 Storage G3 SAS SMU Reserved Space... What is it

You have 8GB total raw space, the vdisk is configured as RAID5, so you got 6TB usable space and 2TB are used for RAID5 redundancy.


Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
No support by private messages. Please ask the forum!

If you feel this was helpful please click the KUDOS! thumb below!   
bpdzenithltd
Visitor

Re: HP P2000 Storage G3 SAS SMU Reserved Space... What is it

thanks for clearing that up

 

cheers