mms - MMS service overview
MMS is a distributed removable media management system. It is based on the standard, IEEE 1244, Media Management System (MMS).
The current implementation of MMS manages tapes and cartridges in a Sun StorageTek ACSLS tape library and emulated tapes on a file system. MMS is capable of sharing drives among multiple hosts. An important feature of MMS is that it provides a uniform and consistent tape interface to its client applications.
MMS consists of a media manager (MM) which manages the entire MMS system. Information about the system is maintained by MM in a database.
Every library managed by MMS has an active library manager (LM). An LM provides library access and mounting service to MMS.
A drive managed by MMS has a drive manager (DM) on each host that has access to the drive. A DM provides device specific operations. A DM also provides label processing. The current implementation supports only ANSI labels.
MMS client applications request MM to mount and unmount cartridges and process them after they are mounted. Applications use the Media Management Protocol (MMP) to make requests. A library of client application functions is available.
The Solaris implementation of the MMS uses the mmsinit(1M) command to configure and start the MMS service and the mmsadm(1M) command to list and set parameters required by the service.
The MMS service instances, as reported by svcs(1), are:
mms:wcr
mms:db
mms:mm
The MMS service RBAC (see rbac(5)) authorizations are:
The following are the MMS service configuration data accessible through the service management facility (see smf(5)):
config/type
manager/host
manager/port
ssl/enabled
ssl/verify
ssl/cert_file
ssl/pass_file
ssl/dh_file
ssl/crl_file
ssl/cipher
ssl/peer_file
The following are the MMS Database fault management resource identifier (FMRI) configuration data:
postgresql/bin
postgresql/data
The following are the MMS Media Manager FMRI configuration data:
db/host
db/port
db/user
db/name
option/trace
option/db_reconnect_max_retry
option/db_reconnect_timeout
The following are the MMS Watcher FMRI configuration data:
option/ssi_path
option/libapi_path
See attributes(5) for descriptions of the following attributes:
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svcs(1), mmsadm(1M), mmsclient(1M), mmsexplorer(1M), mmsinit(1M), mmsclient_script(4), attributes(5), rbac(5), smf(5)
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