Both BS2000 and open systems can connect to the same Net-Storage, create node files there and process these alternately:
BS2000 can create and process node files on Net-Storage - open systems can also process these node files
Open systems can create and process node files on Net-Storage - BS2000 can import and also process these node files
This is referred to as interoperability.
Requirements
The following additional requirements must be satisfied for node files to be processed jointly:
Net server: ETERNUS CS with NAS interface and NetApp ONTAP systems.
Other net servers require a special release.
The POSIX user attributes UserID (USER-NUMBER, <uid>) and GroupID (GROUP-NUMBER, <gid>) must be entered in the pubset's user management for each BS2000 user who wishes to work with node files (see "Managing Net-Storage in BS2000").
When Net-Storage is connected via NFSv4, the users must be entered in a directory service (
openLDAPorAD) with the corresponding UserID and GroupID. The directory service must be configured on the net client and net server. When connected via NFSv3, it is not necessary to use a directory service.
Procedure
Node files are created in user-specific directories in BS2000 in the UNIX file system (UFS), see "Managing Net-Storage in BS2000".
BS2000 supports the following node file types:
PAM node files (BLKCTRL=NO)
SAM node files (BLKCTRL=DATA, RECFORM=V).
SAM node files are used for text based processing.While the data are written from BS2000 to Net-Storage, the SAM structures are deleted from the data stream and, if desired, the code is converted from EBCDIC to ASCII (ISO).
While the data are read from Net-Storage to BS2000, the SAM structures are inserted and the data converted to EBCDIC, so that the SAM access method encounters the familiar SAM data structures.
The conversion is based on the settings the user has chosen for the coded character set and net coded character set of the file when he created the file. If the user has made no specifications, the default values are taken from the user entry in the user catalog of the pubset on which the file is being catalogued. These default values are taken from the HOSTCODE or NETCODE parameters whenever a new user is created.
Node files which are created by open systems during ongoing operation must be imported before they are used in BS2000. See the command description of IMPORT-NODE-FILE in the "Commands" manual [27].
Information on node files is provided by the LIST-NODE-FILES command.
Node files can be removed from the BS2000 file catalog using the EXPORT-NODE-FILE command.
General conditions
General conditions must be complied with to enable interoperability on Net-Storage, see section "Interoperability".