https://community.hpe.com/t5/hpe-eva-storage/eva4400-decrease-lun-space/m-p/5515565#M61629 <DIV><P>Hello everyone, this is my first post here!&nbsp;</P><P>&nbsp;</P><P>I've got an EVA4400 with some LUNs, one of these presented to some hosts of virtualisation environment with 750GB of capacity (Fiber Channel RAID5).</P><P>For restrictions of my VMware version, it only accepts datastores of 500GB maximum, so I've got 250GB of space wasted...</P><P>&nbsp;</P><P>I don't know if I can simply request 250GB less from 750GB LUN to get 500GB LUN according to VMware.</P><P>The problem is that is a critical datastore in production environment.</P><P>&nbsp;</P><P>I can imagine that decrease action would take free space of this LUN to adjust space...</P><P>&nbsp;</P><P>I appreciate very much you help!</P><P>&nbsp;</P></DIV><P>&nbsp;</P> Wed, 01 Feb 2012 08:23:30 GMT lexlopez 2012-02-01T08:23:30Z https://community.hpe.com/t5/hpe-eva-storage/eva4400-decrease-lun-space/m-p/5515565#M61629 <DIV><P>Hello everyone, this is my first post here!&nbsp;</P><P>&nbsp;</P><P>I've got an EVA4400 with some LUNs, one of these presented to some hosts of virtualisation environment with 750GB of capacity (Fiber Channel RAID5).</P><P>For restrictions of my VMware version, it only accepts datastores of 500GB maximum, so I've got 250GB of space wasted...</P><P>&nbsp;</P><P>I don't know if I can simply request 250GB less from 750GB LUN to get 500GB LUN according to VMware.</P><P>The problem is that is a critical datastore in production environment.</P><P>&nbsp;</P><P>I can imagine that decrease action would take free space of this LUN to adjust space...</P><P>&nbsp;</P><P>I appreciate very much you help!</P><P>&nbsp;</P></DIV><P>&nbsp;</P> Wed, 01 Feb 2012 08:23:30 GMT https://community.hpe.com/t5/hpe-eva-storage/eva4400-decrease-lun-space/m-p/5515565#M61629 lexlopez 2012-02-01T08:23:30Z https://community.hpe.com/t5/hpe-eva-storage/eva4400-decrease-lun-space/m-p/5515891#M61630 <P>If the LUN was configured with "Thin Provisioning" it is possible to shrink the size.</P><P>&nbsp;</P><P>There was an adviosry on this feature with the previous FW revision. It is available at <A href="http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&amp;cc=us&amp;objectID=c03051546&amp;prodTypeId=12169&amp;prodSeriesId=3664763" target="_blank">http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&amp;cc=us&amp;objectID=c03051546&amp;prodTypeId=12169&amp;prodSeriesId=3664763</A></P><P>&nbsp;</P><P>Details about Thin Provisioning is available at <A href="http://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-2640ENW.pdf" target="_blank">http://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-2640ENW.pdf</A></P> Wed, 01 Feb 2012 12:49:53 GMT https://community.hpe.com/t5/hpe-eva-storage/eva4400-decrease-lun-space/m-p/5515891#M61630 hvhari 2012-02-01T12:49:53Z