HP StorageWorks XP Remote Web Console Software User Manual
Page 36
Table 5 XP Continuous Access Journal Data Volume Pair Status (continued)
Secondary Data
Volume Access
Primary Data
Volume Access
Description
Pair Status
status is normal) and changes the primary data
volume status to PSUS.
Read Only
Read / Write
*3
In this status, the amount of data in the journal
volume exceeds the threshold (80%). The pair
PFUL
status changes from PAIR to PFUL. The XP
Continuous Access Journal pair is not
suspended and the copy is continued.
The PFUL is the pair status displayed by XP RAID
Manager. The Remote Web Console displays
this status as PAIR.
If Yes is set for the Inflow Control by the journal
group option and the pair status becomes PFUL,
the response to the host I/O is delayed to delay
the inflow of the update I/O to the journal
volume.
Read Only; Read
and write, if the
Read / Write
*3
In this status, the data amount in the journal
volume becomes full and suspended. The pair
PFUS
write option is
status changes from COPY, PAIR or PFUL to
enabled (Disable
PFUS. The XP Continuous Access Journal pair
is the default
setting).
is suspended and the copy is stopped. In this
case, the configuration of the logical path and
the journal volume must be reviewed. The PFUS
pair status is displayed by XP RAID Manager.
The pair status also becomes PSUS (Suspending
while transiting to the Suspend status) in the
Remote Web Console. If Yes is set for the
Inflow Control by the journal group option, the
XP Continuous Access Journal pair is not
suspended for the period of time specified by
the Data Overflow Watch even if the data
amount in the journal volume becomes full.
During this period (the waiting for vacancy of
the journal data area) the response to the host
I/O is delayed. See
for the details of the
Data Overflow Watch.
If a virtual volume of XP Thin Provisioning
(TP-VOL) is being used as an XP Continuous
Access Journal S-VOL and the capacity of a
Pool-VOL is running short, the pair status turns
PFUS and the pair is suspended.
Read / Write
Read Only
The data can be written to the secondary data
volume that is reassigned from the primary data
SSWS
volume during the processing of
resynchronization (Takeover).
The SSWS status is displayed by RAID
Manager. Remote Web Console displays this
status as PSUS or PSUE.
Read Only
Read / Write
*3
This pair is not synchronized. This pair is in
transition from PAIR or COPY to PSUS/PSUE.
Suspending
When the split/suspend pair operation is
requested, the status of all affected pairs
changes to Suspending. When the
split/suspend operation is complete, the status
changes to PSUS/PSUE.
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About XP Continuous Access Journal Operations