HP StorageWorks XP Remote Web Console Software User Manual
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command. The SIz remote console software displays the LDEV ID and SIz pair status of all
T-VOLs associated with an S-VOL.
•
Reverse copy and quick restore operations can be performed on shared SIz/TCz pairs only
when the TCz pair is suspended.
describes the host pair status reporting for SIz volumes, TCz volumes, and
SIz/TCz shared volumes.
Table 6 Host Pair Status Reporting for SIz/TCz Shared Volumes
Pair Status Reported by Storage System
Number of TCz Pairs
Number of SIz S-VOLs
Simplex
0
0
SIz pair status
0
1
SIz pair status for the pair whose T-VOL has the lowest
LDEV ID
0
2 or more
TCz pair status
1
0
TCz pair status
1
1
TCz pair status
1
2 or more
lists the currency of the data on shared SIz/TCz volumes based on the SIz and
TCz pair status.
Table 7 Currency of a Shared SIz and TCz Volume
TCz Pair Status
SIz Pair Status
Suspended
Duplex
Pending
Not current
Not current
Not current
Pending
CURRENT
Not current
Not current
Duplex
CURRENT
Not current
Not current
SP-Pending
CURRENT
Not current
Not current
V-Split
CURRENT
CURRENT
CURRENT
Split
CURRENT
Not current
Not current
Resync
CURRENT
N/A
N/A
Resync-r
Not current
Not current
Not current
Suspended
shows a volume that is functioning as both an SIz S-VOL and a TCz M-VOL.
This configuration allows you to:
•
Use ShadowImage for Mainframe to provide on-site backup copies of TCz M-VOLs, and/or
•
Use TCz to provide remote backup copies of SIz S-VOLs.
Hitachi TrueCopy™ for Mainframe
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