https://community.hpe.com/t5/disk-enclosures/luse-expansion-question/m-p/4539296#M33474 Hi,<BR /><BR />no it is not mandatory,<BR />LUSE can have different sizes... and if you have BC/CA the order and sizes must be the same. For the performance reasons, it is good to keep LUSE members in a low counts...<BR /><BR />Here you can find LUSE Specifications and Restrictions:<BR /><BR /><A href="http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01807166/c01807166.pdf?jumpid=reg_R1002_USEN" target="_blank">http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01807166/c01807166.pdf?jumpid=reg_R1002_USEN</A> Tue, 24 Nov 2009 19:48:00 GMT IBaltay 2009-11-24T19:48:00Z https://community.hpe.com/t5/disk-enclosures/luse-expansion-question/m-p/4539295#M33473 Please let me know if it is mandatory to add exact similar capacity LDEV's in a LUSE, cause I was able to add variable capacity LDEV's and xp accepted it. eg - added 64 GB and 16 GB LDEV's to an existing LUSE.<BR /> Tue, 24 Nov 2009 17:30:16 GMT https://community.hpe.com/t5/disk-enclosures/luse-expansion-question/m-p/4539295#M33473 vithal_2 2009-11-24T17:30:16Z https://community.hpe.com/t5/disk-enclosures/luse-expansion-question/m-p/4539296#M33474 Hi,<BR /><BR />no it is not mandatory,<BR />LUSE can have different sizes... and if you have BC/CA the order and sizes must be the same. For the performance reasons, it is good to keep LUSE members in a low counts...<BR /><BR />Here you can find LUSE Specifications and Restrictions:<BR /><BR /><A href="http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01807166/c01807166.pdf?jumpid=reg_R1002_USEN" target="_blank">http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01807166/c01807166.pdf?jumpid=reg_R1002_USEN</A> Tue, 24 Nov 2009 19:48:00 GMT https://community.hpe.com/t5/disk-enclosures/luse-expansion-question/m-p/4539296#M33474 IBaltay 2009-11-24T19:48:00Z