August 15, 2017
© Copyright IBM Corporation, 2017 Page 53 of 117
Planning and Considerations for the Recovery TS7700 and Library
There are several things that you will need to consider in planning a recovery TS7700 for the copy export
volumes. There are two types of recovery from copy exported tapes. There is a customer initiated recovery
that restores copy exported tapes to a stand-alone TS7740 for DR testing or as a recovery site. Beginning
with R1.7, the same subset of tapes can be used to restore a TS7740 in an existing grid so long as the new
empty restore cluster is meant to replace the no longer present source cluster. This allows data that may
have existed only within a TS7740 within a Hybrid configuration to be restored while maintaining access to
the still existing TS7720 clusters. This form of extended recovery must be carried out by support personal.
Only the standard export recovery to a stand alone TS7740 can be executed by the customer. This
document covers the customer initiated recovery.
The stand-alone TS7700 and associated library that is to be used for recovery of the copy exported logical
volumes must meet the following requirements:
• It must have physical tape drives that match the capabilities of the source TS7700, including encryption
capability if the copy exported physical volumes have been encrypted.
• If the source copy exported volumes have been encrypted, the recovery TS7700 must have access to a
key manager that has the encryption keys for the data.
• There must be sufficient library storage slots in the library associated with the recovery TS7700 to hold
all of the copy exported physical volumes from the source TS7700.
• Only the copy exported volumes from a single source TS7700 can be used in the recovery process.
• The recovery TS7700 cannot be part of a Grid configuration.
• The recovery TS7700 must be configured as cluster 0.
• The TS7700 and its associated library manager must be configured, have code loaded and be in an
online state to start the recovery.
• On pre 8.5.x.x systems with dual library managers configured, they must both be online and operational
to perform the recovery operations.
• On pre 8.5.x.x systems ensure that Service Access is enabled on the library manager. If dual library
managers are configured, ensure that it is enabled on both library managers. Service access is required to
allow the TS7700 to manage the library manager inventory records during copy export recovery. To
enable Service Access, go to the Commands pull down on the library manager, then select Service
Access, then Enable Service Access. To ensure the access is working, Service Access should be
disabled (on the same panel), wait thirty (30) seconds, and then enable service access.
• If the recovery TS7700 is not empty of data (in cache or the database), the copy export volumes must
not be loaded into the attached library until the machine has been emptied of data. The procedures
detailed in the next section will identify when the physical volumes need to be loaded into the library as
well as how to empty the TS7700 of data.
• The code level on the recovery TS7700 and on its associated library manager must be at the same or
higher code level as the source TS7700.
• On pre 8.5 systems or systems with 3494 attached libraries, if there is another VTS/TS7700 or native
drives on the other partition of the library manager, it must not have any volsers that overlap with the
To Next Page
Loading...
Need help?
General
