4aa0-3153enw

66
 HP StorageW orks 3 Data Cen t er R eplication W hite paper  T ab le of con t en t s E xecu t iv e s umm ar y............................... ................................................................................................ 3   T h e HP S t orageWor k s 3 Dat a Ce n t er Re pl ic at io n s ol u t ion ......................................................................... 4  HP St ora ge Work s X P Continuou s Acc es s Sy nc hr on ou s ............................................................................. 5  HP St ora ge Work s X P Continuou s Acc es s Asy nc hr on ou s ........................................................................... 6  HP St ora ge Work s X P Cont inu ous Acce s s Jour nal.. ................................................................................... 8  R e co v e ry po in t ob je ct iv e..................................................................................................................... 10  R PO equ al t o 0 .............................................................................................................................. 10  R PO gr ea t er t ha n 0 ........................................................................................................................ 10  R e co v e ry t im e ob je ct iv e...................................................................................................................... 10  R T O b et ween one an d fiv e m inu t es .................................................................................................. 10  R T O of one hour or m or e ................................................................................................................ 10   T he pr ior Multi-Sit e D is as t er T olerant S ol u t ion (MSDT)............................................................................. 11  3DC wit h HP St orage Work s X P Cont inu ou s Acc es s Jou rn al con figu rat ions.... ............ ... ........................ ... .. 12  Compar ing cas cad ing and m u lt i- t arg et c on figu rat ion s ........................................................................ 13  De t aile d rules and res t ric t ion s for 3DC configu rat ion s ............................................................................ 15  HP St orage Work s X P Cont inu ous Acces s Jour nal and m irro r un it de sc ript ors. ... ..................................... 15  A v olume can only hav e on e sou rc e ................................................................................................. 18  R ep lica t ion pair s ind ep en de nt of e ach ot he r...................................................................................... 20  Su spe nding a down st ream link bef ore t he ups t ream link goes out of or der. .................... .. .......... .. ......... 21  3DC fa ilov er and failback ac t ion s w it ho ut a t hird link ............................................................................ 23  Act ion 1: T ran sit ion fr om a cas cade d t o m ul t i- t arge t con figu rat ion.... .............................. ... ................... 25  Act ion 2: Tran sit ion from a m ul t i- t arge t t o cas cade d con figu rat ion.................................. ... ................... 26  Act ion 3: Casc ade d con fig u rat ion da t a cent er f ailu re......................................................................... 27  Fa ilbac k t o DC1 aft er a cas caded c on figuration failov er ..................................................................... 28  Act ion 4: Mult i- t arget configurat ion dat a cen t er f ailu re ....................................................................... 29  Failbac k t o DC1 aft er a m u lt i-t arge t con figu rat ion f ailov er t o DC2.. ........................ ... ........................... 30  Act ion 5: Mult iple dat a ce nt er fail ure s .............................................................................................. 31  Fa ilbac k t o D C1 af t er a mu lt iple DC fail u re....................................................................................... 32   T he bene f it s of t he op t ional third data lin k ............................................................................................ 37  Act ion 6: Using t he opt ional t hir d link............................................................................................... 39  R ec ov er y aft er t he us e of t he opt ional t hir d dat a l ink ................................. ... ........................ ... ............ 43  Other configura t ion op t ion s ................................................................................................................ 50  4D C con fi gu ra t ion ......................................................................................................................... 50  A 3DC con fig urat ion wit h fo ur cop ies ............................................................................................... 51  1 

Upload: bahman-mir

Post on 03-Jun-2018

217 views

Category:

Documents


0 download

TRANSCRIPT

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 1/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 2/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 3/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 4/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 5/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 6/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 7/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 8/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 9/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 10/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 11/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 12/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 13/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 14/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 15/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 16/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 17/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 18/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 19/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 20/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 21/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 22/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 23/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 24/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 25/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 26/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 27/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 28/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 29/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 30/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 31/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 32/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 33/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 34/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 35/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 36/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 37/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 38/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 39/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 40/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 41/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 42/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 43/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 44/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 45/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 46/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 47/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 48/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 49/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 50/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 51/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 52/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 53/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 54/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 55/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 56/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 57/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 58/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 59/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 60/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 61/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 62/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 63/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 64/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 65/66

8/12/2019 4AA0-3153ENW

http://slidepdf.com/reader/full/4aa0-3153enw 66/66