Hitachi Command Control Interface (CCI) User and Reference Guide
205
4.7.2
PVOL-PSUE-Takeover
The horctakeover command executes PVOL-PSUE-takeover when the primary volume cannot
be used (PSUE or PDUB volume is contained in the group, or the link down that the pair
status is PVOL_PAIR/SVOL_PAIR and the AP (active path) value is 0), and will be returned
with “PVOL-PSUE-takeover” as the return value. PVOL-PSUE-takeover changes the primary
volume to the suspend state (PSUE or PDUB
Æ
PSUE*
, PAIR
Æ
PSUS) which permits WRITE to
all primary volumes of the group.
Host C
Host A
Host B
PSUS
PSUE*
PSUS
PSUE*
PSUS
PAIR
PAIR
PAIR
PAIR
PAIR
horctakeover
P-VOL
ESCON
®
or Fibre-
channel failure
Host C
Host A
Host B
PAIR
PSUE
PAIR
PSUE
PAIR
PAIR
PAIR
PAIR
PAIR
PAIR
S-VOL
P-VOL
S-VOL
The horctakeover command will be returned with PVOL-PSUE-takeover also on the following
nested failure case.
Host C
Host A
Host B
PSUS
PSUE*
PSUS
PSUE*
PSUS
PAIR
PAIR
PAIR
PAIR
PAIR
horctakeover
P-VOL
Host failure after
ESCON
®
/fibre failure
Host C
Host A
Host B
PSUS
PSUE*
PSUS
PSUE*
PSUS
PAIR
PAIR
PAIR
PAIR
PAIR
S-VOL
P-VOL
S-VOL
Содержание TAGMASTORE MK-90RD011-25
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Страница 8: ...viii Preface ...
Страница 18: ...xviii Contents ...
Страница 180: ...162 Chapter 3 Preparing for CCI Operations ...
Страница 250: ...232 Chapter 4 Performing CCI Operations Vol Type logical unit LU type e g OPEN V OPEN 9 ...
Страница 370: ...352 Chapter 5 Troubleshooting ...
Страница 388: ...370 Acronyms and Abbreviations ...