Raid Configuration - NEC HX4500 Service & Reference Manual

RAID Configuration

2QH RI WKH VWDQGDUG IHDWXUHV RI \RXU V\VWHP LV WKH WKUHH FKDQQHO 6HFX5$,' 
FRQWUROOHU ERDUG ZKLFK JLYHV \RXU V\VWHP WKH DGGHG VHFXULW\ RI IDXOW WROHUDQFH
,I \RXU V\VWHP KDV 5$,' DW WKH WLPH \RX RUGHU LW WKH V\VWHP LV SUHFDEOHG DW WKH
IDFWRU\ 7KH 5$,' FRQWUROOHU LV LQVWDOOHG LQ 3&, VORW 3 DQG LV XVHG WR FRQWURO
WKH KRWVZDS KDUG GULYH FDJHV &KDQQHO % RI WKH GXDO 8OWUD ZLGH 6&6,
FRQWUROOHU $GDSWHFŠ $,&  RQ WKH V\VWHP ,2 ERDUG LV XVHG WR FRQWURO XS
WR IRXU SHULSKHUDOV &'520 DQG WDSH GULYHV LQ WKH UHPRYDEOH PHGLD GULYH
ED\V $  LQFK GLVNHWWH GULYH LV LQVWDOOHG LQ DOO V\VWHPV DQG LQWHUIDFHV
VHSDUDWHO\ WR WKH V\VWHP ,2 ERDUG )LJXUH $ LV D GLDJUDP RI WKH 6&6, FDEOLQJ
7KH QDUURZ 6&6, LQWHUIDFH FDEOH LV FRQQHFWHG WR WKH 6&6, FRQQHFWRU RQ WKH
V\VWHP ,2 ERDUG )LJXUH $ '  7KLV FDEOH FRQQHFWV WR WKH UHDU RI WKH 6&6,
UHPRYDEOH PHGLD SHULSKHUDOV LI SUHVHQW  7KH ODVW GULYH RQ WKH GDLV\ FKDLQ FDEOH
PXVW KDYH LW©V LQWHUQDO 6&6, WHUPLQDWRUV LQVWDOOHG )LJXUH $ $ 
7KH 8OWUD ZLGH 6&6, LQWHUIDFH FDEOHV DUH FRQQHFWHG WR WKH 5$,' ERDUG )LJXUH
$ 4  7HUPLQDWLRQ IRU WKH KDUG GLVN GULYHV LV SURYLGHG RQ WKH 6&6,
GLVWULEXWLRQ SDQHO )LJXUH $ ( 
7KH RQERDUG QDUURZ 6&6, FRQWUROOHU DOVR LQFOXGHV D FRQQHFWRU ORFDWHG DW WKH
UHDU RI WKH V\VWHP IRU FRQQHFWLQJ H[WHUQDO 6&6, GHYLFHV )LJXUH $ 0  7KUHH
LPSRUWDQW UXOHV PXVW EH IROORZHG LI \RX FRQQHFW H[WHUQDO QDUURZ 6&6, GHYLFHV
T
$ PD[LPXP RI VHYHQ QDUURZ 6&6, GHYLFHV PD\ EH FRQQHFWHG WR WKH
RQERDUG 6&6, FRQWUROOHU )RU H[DPSOH LI WKUHH 6&6, GHYLFHV LQ WKH V\VWHP
FDELQHW DUH FRQQHFWHG WR WKH 6&6, EXV RQO\ IRXU H[WHUQDO QDUURZ 6&6,
GHYLFHV FDQ EH FRQQHFWHG
T
7KH PD[LPXP FDEOH OHQJWK IRU DOO QDUURZ GHYLFHV FRQQHFWHG WR WKH
FRQWUROOHU LV  PHWHU  LQFKHV 
T
7KH ODVW H[WHUQDO QDUURZ 6&6, GHYLFH PXVW EH WHUPLQDWHG $FWLYH
WHUPLQDWLRQ LV UHFRPPHQGHG
System Cabling A-3