HP XP7 Storage User Manual

Page 131

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P9500

XP7

IBM 3990 6E

Feature

32,768

65,280

64

Maximum pairs

8 per logical control unit

8 per logical control unit

4

Maximum paths between
storage systems

Default is 4 per CU. Requires
Remote Web Console to

Default is 4 per CU. Requires
Remote Web Console to

4

Number of copy operations on
initial copy

change value in range from 1
to 16.

change value in range from 1
to 16.

Requires main storage system
port to be set to target by

Requires main storage system
port to be set to target by

No

Dedicated interface between
storage systems

Remote Web Console (or SVP)

Remote Web Console (or SVP)

or automatically in response to

or automatically in response to

establish and delete path
commands.

establish and delete path
commands.

3 or 15, default = 15 tracks

3 or 15, default = 15 tracks

1-255, default is 15 (setting of
1 copies a maximum of 3

PACE parameter initial copy
option

tracks at a time, 2-255 copies
a maximum of 15 tracks at a
time)

S-VOL Data Never – Default
S-VOL Status

S-VOL Data Never – Default
S-VOL Status

Yes No – Default

CRITICAL pair error options
(Fence Level parameter)

FREEZE/RUN by logical
controller SSID pair.

FREEZE/RUN by logical
controller SSID pair.

FREEZE/RUN by logical
controller SSID pair

CGROUP

Supported.

Supported.

Supported

CQUERY

Cnt Ac-S Z Unique Features specified using Remote Web Console or SVP only

RCU Options

Default = 1. If the minimum
number of MCU-RCU active

Default = 1. If the minimum
number of MCU-RCU active

Not supported

Minimum paths

paths falls below this value, all

paths falls below this value, all

pairs will be split based on the
Fence Level option in effect.

pairs will be split based on the
Fence Level option in effect.

CU Options

Default = YES - PPRC
supported, optional capability

Default = YES - PPRC
supported, optional capability

Host must support PPRC

PPRC support by host

to allow host support for non

to allow host support for non

PPRC capable operating
systems.

PPRC capable operating
systems.

To any host or only to RCU host

To any host or only to RCU host

Not supported per IBM doc
Planning for IBM Remote Copy
(SG24-2594-009 p.184)

RCU-to-MCU SIM reporting

Default = Not report; Designed
for non-MVS operating systems

Default = Not report; Designed
for non-MVS operating systems

Not supported per IBM doc
Planning for IBM Remote Copy
(SG24-2594-009 p.184)

RCU to MCU service SIM
reporting

that do not support SIM
reporting.

that do not support SIM
reporting.

Pair Options

Optional to S-VOL, default =
P-VOL

Optional to S-VOL, default =
P-VOL

Not supported

Cache fast write data

256 per CU

256 per CU

256 per storage system

Max. volumes

Per IBM doc

Per IBM doc

Per IBM doc

SIM/error messages

FICON

FICON

Parallel or ESCON

Local storage system interface

IEA494I and IEA491E console messages

131

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