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Re: Space reclaimation LUN Provisioned on windows server 2012 Core

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Hi,

 

from command line, with powershell (you have to install DataOntap PS module), we do this:

 

(host side, from powershell)

PS C:\Users\u0xxx> get-module -listavailable  (so You can verify you have the relative PS module)

ModuleType Name ExportedCommands
---------- ---- ----------------
Manifest ActiveDirectory {}
......
Manifest BestPractices {}
Manifest BitsTransfer {}
Manifest DataONTAP {}                   !!!!!!!!!
Manifest FailoverClusters {}
........

.......

......

 


PS C:\Users\u00xxx> Import-Module DataONTAP

Security Warning
Run only scripts that you trust. While scripts from the Internet can be useful, this script can potentially harm your
computer. Do you want to run C:\Windows\system32\WindowsPowerShell\v1.0\Modules\DataONTAP\DataONTAP.Alias.psm1?
[D] Do not run [R] Run once [S] Suspend [?] Help (default is "D"): r


PS C:\Users\u0xxxx>$hostdisks =Get-NaHostDisk - dataOntap
echo $hostdisks

 

so You can obtain disk list 

PS C:\Users\u0xxxx> $hostdisks =Get-NaHostDisk -dataOntap
PS C:\Users\u0xxxx> echo $hostdisks

HostDrivePath Disk Size ControllerPath
------------- ---- ---- --------------
.....

.........
\\?\Volume{0626c0ff-cf62-46... 28 1,7 TB filer:/vol/vol_prodmysit_contdb1/lun11.lun
\\?\Volume{fccb2952-b21d-44... 29 1,2 TB filer:/vol/vol_prodmysit_contdb2/lun12.lun
.......
\\?\Volume{b9c60a94-97c4-4d... 33 1,2 TB filer:/vol/vol_prodmysit_contdb6/lun16.lun

 

now You have to identify the volume You want to reclaim (es : lun12.lun) and take note of whick disk (es disk 29)


so, You can launch space reclaim

 

es.
Invoke-NaHostVolumeSpaceReclaim -Path $hostdisks[29].hostdrivepath -confirm:$false -UnmapSize 1MB

 

 

before of space reclaim:
filer*> lun show -v /vol/vol_prodmysit_contdb2/lun12.lun
/vol/vol_prodmysit_contdb2/lun12.lun 1.2t (1342291668480) (r/w, online, mapped)
Comment: " "
Serial#: HndthJbb6qy9
Share: none
Space Reservation: disabled
Multiprotocol Type: windows_2008
Maps: viaRPC.20:00:00:25:b5:0b:c2:1f.server=51 viaRPC.20:00:00:25:b5:0a:c1:af.server=51 viaRPC.20:00:00:25:b5:0b:a0:af.....

......
Occupied Size: 1.1t (1217104642048)
Creation Time: Mon Mar 14 14:59:05 MET 2011
Alignment: aligned
Cluster Shared Volume Information: 0x1
Space_alloc: disabled


after space reclaim:


filer*> lun show -v /vol/vol_prodmysit_contdb2/lun12.lun
/vol/vol_prodmysit_contdb2/lun12.lun 1.2t (1342291668480) (r/w, online, mapped)
Comment: " "
Serial#: HndthJbb6qy9
Share: none
Space Reservation: disabled
Multiprotocol Type: windows_2008
Maps: viaRPC.20:.....

Occupied Size:  476.2g (511325540352)
Creation Time: Mon Mar 14 14:59:05 MET 2011
Alignment: aligned
Cluster Shared Volume Information: 0x1
Space_alloc: disabled

 

bye

Monardo G.A.


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