Array Performance and Data Protection

Storage Volume Discrepancies

 
jimvad
Occasional Contributor

Storage Volume Discrepancies

I've got a data storage volume that states usage is 14.4TiB of 15TiB.  When reviewing the actual "drive" associated to the volume it shows 7.45TB free.  What exactly am I missing on this?  Thanks!

2 REPLIES 2
Chandramohan_r
HPE Pro

Re: Storage Volume Discrepancies

Hi @jimvad 

It may be something to do with the zero-page reclamation (ZPR).  You might want to run the unmap/trim on the filesystem in question to reflect the capacity on the storage array.

Further information can be found here. 

https://infosight.hpe.com/InfoSight/media/kb/active/sup_KB-000065_Block_Reclamation.pdf

 

 

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ksram
HPE Pro

Re: Storage Volume Discrepancies

Hi jimvad,

 

Good day!

 

Could you please elaborate the issue. 

 

Are you referring to 15TB Drive or is this a logical drve of 15TB Volume, and where is the Volume shows as 7.4TB (which application)

 

Thank you

RamKS


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