Conference cookie::raid_software_for_openvms

331.0. "HSD10 configuration switch??" by MSBCS::GRADY () Tue Mar 25 1997 15:03

    
    Hello,
    
    I have a customer with a 4700 and sw800 with 18 rz29 disks.
    
    Each shelf has an HSD10 and there are 2 DSSI buses coming to it.
    They have striped within the shelf the have Volume shaow 2 running
    on hte next shelf as a shadow set.
    
    My questions;
    
    Can more than 2 HSD10 be daisy chained together (JB1--->jA1--JB1---etc)
    
    What I'm asking is, is there a configuration that I can create the stripe
    sets across the shelves and shadow or mirror to disks on the shelf but
    incease the performance by splitting the I/O over multiple DSSI buses
    providing they can see all the disks or is the comnfiguration limited to 
    just 2 HSD10's.  
    
    All this to increase performance.
    
    
    
    						Thanks in advance
    
    							Dennis7