| IBM FLASHCOPY V2 SUPPORT (DATASET FLASH) FDRINSTANT |
FlashCopy has been enhanced to support V2 of the IBM FlashCopy function, which includes flashing datasets and removes some restrictions compared
to V1. To use FlashCopy V2, you must install the Flashcopy V2 microcode on your
IBM 2105 ESS (Shark) and you must install the co-requisite IBM FlashCopy V2 PTFs on
your operating system. |
FDRINSTANT for
FlashCopy |
Now enhances FDRCOPY so that when you are copying
or moving a dataset between two volumes in an ESS with the V2 support installed,
it will automatically use FlashCopy to copy the data. |
| FDRCOPY |
Will complete in just seconds. The
data is actually copied in the background by the ESS microcode but the copied datasets can be
accessed as soon the FDRCOPY step ends.
(Details are in Section 29.) |
| For a full-volume FlashCopy for FDR or ABR backups |
Flashcopy V2 now allows
you to flash between any two volumes in the same ESS (V1 requires that the volumes
be in the same LSS, Logical Subsystem). Because of changes in the IBM API for FlashCopy V2,
FDRINSTANT V5.4 level 30 is required even for full-volume FlashCopy if you install V2.
(In a test where 2 sequential datasets of 1500 cylinders each were FlashCopied
from one ESS volume to another, the FDRCOPY step took only 3 seconds. By contrast,
copying the same datasets within the ESS without FlashCopy took 165 seconds.) |
| EMC SYMMETRIX DMX SUPPORT |
The EMC Symmetrix DMX disk subsystem is supported by FDR V5.4 level 24
and above. This only applies to customers licensed for FDRINSTANT for EMC Timefinder.
Other customers may use any supported level of FDR with EMC DMX subsystems. |
| EMC SNAP SUPPORT |
Since its inception, FDRINSTANT for
EMC Timefinder has enhanced FDRCOPY to use EMCCOPY, an internal copy function, whenever you are copying or moving
a data set between two volumes in the same EMC Symmetrix system. EMCCOPY is faster than a regular
READ/WRITE, but it takes some time. |
| FDR V5.4/30, FDRCOPY |
It has been enhanced to use the EMCSNAP function
when copying between two volumes in the same Symmetrix. The EMCSNAP function is "instant"
in that it appears to complete in just seconds. The data is actually copied in the background
by the Symmetrix microcode but the copied data sets can be accessed as soon as the FDRCOPY
step ends. (Details are in Section 25.)
However, EMCSNAP support is shipped disabled
because of interactions with Timefinder BCVs.
(For instructions on enabling EMCSNAP and considerations for its use, see
member EMCSNAP in the ICL [Installation Control Library].) |
| EMCSNAP |
Gets elapsed times similar to those quoted for IBM FlashCopy above. |
| IBM z990 SUPPORT |
FDR products will support all models of the new IBM z990 processor.
No special versions of FDR are required, except that certain FDR versions
may be required for the operating system level you are running.
(For details, visit our web site at
http://www.innovationdp.fdr.com/osreq.cfm ) |
| STORAGETEK 9840B FICON SUPPORT |
FDR products have been tested with a StorageTek 9840B drive on a FICON
channel. All supported versions of FDR will work with these drives. A test was run with a
FICON 9840B tape drive, dumping a 4GB Open System volume in a FICON attached
EMC subsystem with FDRSOS. The same test was run on an ESCON-attached
9840B drive. The results are: |
| SUPPORT FOR TAPE MANAGEMENT EDM (EXTERNAL DATA MANAGER) |
Tapes created by ABR Archive can be managed directly by ABR as an EDM
(External Data Manager). As an EDM, ABR tells the tape management system when a tape
is ready to be released to scratch; the tape management system will not scratch it until it is
notified.
(This is ONLY for ABR Archive tapes. Tapes created by ABR volume backups
(full-volume and incremental backups) cannot be EDM-managed. Tapes created by FDRAPPL (ABR
Application Backup) can be EDM-managed but the procedure may be complicated.) |
| Currently ABR supports EDM |
This is for tape management systems CA-1, CA-DYNAM/TLMS
and DFSMSrmm (RMM). For CA-1 and CA-DYNAM/TLMS, one advantage of EDM is a
reduction in the number of CA-1 DSNBs and TLMS auxiliary records required. Because ABR
stacks many backup files on each tape, it may require a large number of DSNBs or aux records;
EDM eliminates that requirement for ABR Archive tapes.
ELAPSED TIME DATA RATE IMPROVEMENT
9840B ESCON 5.4 Minutes 13.4 MB/sec
9840B FICON 4.2 Minutes 17.2 MB/sec 22% |
