Hitachi TrueCopy for z/OS user guide (December 2005)

TrueCopy for z/OS user guide 63
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Figure 27 Volume list
• Volume icon: Indicates the status of volumes.
•: Simplex
•: M-VOL
•: R-VOL
• CU: CU number of the main LDEV.
• Device: Device number.
• Status: For more information on TC390 pair status, see ”TrueCopy Volume Pair Status” on page 37.
• : Simplex. The volume is not currently assigned to a TC390 pair. When the initial copy is started
by an Add pair operation, the volume status changes to Pending.
• : Pending. The TC390 initial copy operation is in progress. Data on the pair is not fully identical.
When the initial copy is complete, the status will change to Duplex.
• : Duplex. The volume is currently assigned to a TC390 pair and the pair is 100% synchronized.
All updates from the host to the M-VOL are duplicated at the R-VOL.
• : Suspending. The TC390A pair is being suspended. When the TC390A suspend operation is
complete, suspending changes to suspended.
• : Suspend. The TC390 pair has been suspended. Open the Pair Status window to view the
suspend type (see ”TrueCopy Volume Pair Status” on page 37) and detailed pair status information.
• : Deleting. TC390A only. This pair is not synchronized. This pair is in transition from the Duplex,
Pending duplex, or Suspend state to the Simplex state.
• Sub: Suspend Sub Status
• GRP: Consistency time of the current volume is same as that of the consistency group.
• VOL: Consistency time of the current volume is not same as that of the consistency group.
• OFF: Suspended by the PS OFF by the MCU.
• S/N and SSID of the other disk array (MCU or RCU) of the volume pair.
• CU number of the other volume of the volume pair.