Recent content by porum

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    SAS Multipath - Supermicro Dual Expander Backplane - BPN-SAS2-826EL2

    The idea behind my setup was only using redundant paths. My definition of 'solving things in software' was not related to a clusterfs but rather that each server only uses half of the disks at a time (not the same half obviously), therefor providing two 'logical heads'. In case of one server...
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    SAS Multipath - Supermicro Dual Expander Backplane - BPN-SAS2-826EL2

    Hi there, first of all: thanks for your confirmation. Your 'flip flop'-suggestion is what I normally use when it comes to fiberchannel multipathing, but I wasn't sure if it can also be applied to SAS ;-) Could you elaborate on 'being screwed'? :-) .. the big picture behind my idea is the...
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    SAS Multipath - Supermicro Dual Expander Backplane - BPN-SAS2-826EL2

    Hi there, let's for example take the BPN-SAS2-826EL2. It has two dual-port expanders with 2 ports each: (also see: http://www.supermicro.com/manuals/other/BPN-SAS2-826EL_1.0.pdf or http://www.supermicro.com/manuals/chassis/2U/SC826.pdf Appendix F) PRI_J0 PRI_J1 SEC_J0 SEC_J1 Given...
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