User Manual - A3661-90001

Disk Array High Availability Features 1-19
Product Description
&DFKLQJVLJQLILFDQWO\LPSURYHVUHVSRQVHWLPHIRUPDQ\W\SHVRI,2RSHUDWLRQV&DFKLQJFDQ
HQKDQFHGLVNDUUD\,2SHUIRUPDQFHLQWZRZD\V
5HDGUHTXHVW ,IDUHDGUHTXHVWLVLVVXHGIRUGDWDWKDWLVDOUHDG\LQWKHUHDGFDFKHWKHGLVN
DUUD\DYRLGVDFFHVVLQJWKHGLVNPRGXOHVWRUHWULHYHWKHGDWDDQGGHOLYHUVLWWR
WKHDSSOLFDWLRQIDVWHUWKDQDGLVNDFFHVVFDQ$SUHIHWFKFDSDELOLW\HQDEOHV
WKH63WRDQWLFLSDWHQHHGHGGDWDIRUH[DPSOHRQDILOHWUDQVIHUDQGUHDGLW
IURPGLVNLQWRWKHUHDGFDFKHZKLFKKHOSVVLJQLILFDQWO\ZLWKVHTXHQWLDO,2
RSHUDWLRQV
:ULWHUHTXHVW ,IDZULWHUHTXHVWPRGLILHVGDWDLQWKHZULWHFDFKHWKH63FDQNHHSWKH
PRGLILHGGDWDLQWKHFDFKHDQGZULWHLWEDFNWRGLVNDWWKHPRVWH[SHGLHQW
WLPHLQVWHDGRILPPHGLDWHO\DIWHUWKHZULWH7KLVLVWUDQVSDUHQWWRWKHKRVW
ZKLFKFRQWLQXHVWRRSHUDWHDVWKRXJKWKHZULWHWRGLVNKDGFRPSOHWHG,ID
ZULWHUHTXHVWPRGLILHVGDWDDOUHDG\LQWKHZULWHFDFKHWKHLQFDFKHGDWDLV
PRGLILHGUHVXOWLQJLQRQHGLVNZULWHLQVWHDGRIWZR
,QWKHHYHQWRIDQXQH[SHFWHGGLVNDUUD\VKXWGRZQWKHGLVNDUUD\VZLWFKHVRYHUWR%%8SRZHU
:KHQGUDZLQJSRZHUIURPWKH%%8WKHGLVNDUUD\KDVDERXWVHFRQGVWRSRZHUGRZQLQDQ
RUGHUO\ZD\'XULQJWKLVWLPHWKHGLVNDUUD\GXPSVLWVFDFKHWKDWLVLWZULWHVDQ\GDWDLQLWVFDFKH
PHPRU\WRWKHFDFKHYDXOWGULYHV
:KHQSRZHULVUHVWRUHGWKH63VUHDGWKHGDWDIURPWKHFDFKHYDXOWGULYHVEDFNLQWRFDFKHPHPRU\
7KHGDWDLVWKHQZULWWHQRQWRWKHILOHV\VWHPZKRVHGDWDZDVFDFKHG7KLVHQVXUHVWKDWDOOFDFKHG
LQIRUPDWLRQUHDFKHVLWVFRUUHFWILOHV\VWHPDQGGLVNPRGXOH
&DFKHLVDOVRGXPSHGE\DQ63LILWVSHHU63IDLOV%HFDXVHFDFKHLVPLUURUHGWKHRSHUDWLRQDO63
DOVRDXWRPDWLFDOO\GLVDEOHVVWRUDJHV\VWHPFDFKLQJXQWLOWKHIDLOHG63LVUHSODFHG$IWHULWLV
UHSODFHGWKHRSHUDWLRQDO63DXWRPDWLFDOO\UHHQDEOHVFDFKLQJ
7KHFDFKHLPDJHFDQQRWEHGXPSHGZKHQERWK63VDUHUHPRYHGIURPWKHGLVNDUUD\
VLPXOWDQHRXVO\,QWKLVFDVHWKHFDFKHLPDJHLVORVWDQGGDWDLQWHJULW\RQWKHGLVNDUUD\LV
FRPSURPLVHG7RDYRLGWKLVSUREOHPQHYHUUHPRYHERWK63VIURPWKHGLVNDUUD\VLPXOWDQHRXVO\
&DFKHSDUDPHWHUVFDQQRWEHFKDQJHGZKLOHFDFKLQJLVHQDEOHGEXWFDFKLQJFDQEHGLVDEOHG6HH
FKDSWHU*ULG0DQDJHUIRUGHWDLOHGLQIRUPDWLRQ7KH63DXWRPDWLFDOO\GLVDEOHVFDFKLQJLID
FDFKHYDXOWGULYHRUWKH%%8IDLOV7KHVWRUDJHV\VWHPFDFKHVWDWHFDQEHREVHUYHGRQWKH*ULG
0DQDJHU3UHVHQWDWLRQVFUHHQ