Hewlett Packard Enterprise HPE XP7, User Manual, Page: 83 / 311

Pair operations when pairs are not cascaded
The following table explains pair operations according to the pair status.
Pair type Pair A
status
Operation for pair A
Pair with snapshot attribute Pair with clone
attribute Snapshot
/ clone
attribute
common
Create Split Resync Restore Create Split Delete
N/A SMPL Y N N N Y N YN
With the
snapshot
attribute COPY(PD
) YN N YN YN N N N
PAIR N Y YN YN N N Y
PSUS N YN Y Y N N Y
COPY(RS
) YN N YN YN N N N
COPY(RS
-R) YN N YN YN N N N
PSUE N N Y N N N Y
SMPL(PD
) N N N N N N YN
With the
clone
attribute COPY(PD
) N N N N N N Y
PAIR N N N N N Y Y
PSUS(SP
) N N N N N YN Y
PSUE N N N N N N Y
SMPL(PD
) N N N N N N YN
Y: Operation successful.
YN: Operation not performed, process terminated.
N: Process terminated abnormally.
More information
Calculating the number of Fast Snap pairs based on pair tables on page 64
Calculating Fast Snap pairs based on the snapshot estimated manageable capacity on page 64
Calculating Fast Snap pairs based on cache management devices on page 65
Calculating the number of cache management devices on page 66
Calculating the Fast Snap pair capacity for THP pools on page 66
Calculating and assigning pool capacity on page 69
External Storage and external volumes used as pool-VOLs on page 71
Simultaneous processing of multiple Fast Snap pair tasks on page 71
Pair operations when pairs are not cascaded 83