HP StorageWorks XP24000 for FlashCopy Mirroring Software User's Guide (T5240-96001, June 2007)

Simplex
T-VOL S-VOL
F-
Copy
1.
Establishing a relationship
2. Background copy
T-VOL S-VOL
F-
Copy
background
copy
Simplex
3. Extent data copying is complete.
Relationship is withdrawn.
Figure 1 Rel ationship Status Transition
1. Establ
ish a
Version 1 relationship by using simplex volumes. When the relationship is
established, the volume status changes to F-Copy.
2. After the relationship is established, the on-demand copy operation starts when the S-VOL is
updated.
Note t
hat the background copy operation will not be performed when the NOCOPY option is
speci
fied. For details on the NOCOPY option, see Table 14 on page 34.
3. The relationship will be automatically withdrawn when the background copy operation is
completed. On the other h and, if the relationship is established with the N OCOPY option,
the
relationship will not be automatically withdrawn when the on-demand copy operation is
comp
leted.
Note: When the background or on-demand copying of the extent data fails, the Version 1 relationship
will be released automatically, and the T-VOL becomes blocked. The status of the relationship becomes
simplex.
Tab
le 2
on page 17 describes the Version 1 relationship status condition.
16
About
Version 1 Operations