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Documented use of services API for nbackup

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alexpeshkoff 2009-01-29 11:43:59 +00:00
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doc/README.services_extension
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@ -31,3 +31,30 @@ password are set using some other method):
Return to normal state: Return to normal state:
fbsvcmgr service_mgr action_properties dbname employee prp_online_mode prp_sm_normal fbsvcmgr service_mgr action_properties dbname employee prp_online_mode prp_sm_normal
2) Services API extension - nbackup support.
(Alex Peshkov, peshkoff@mail.ru, 2008)
Nbackup performs two logical groups of operations - locking/unlocking database
and backup/restore it. It's absolutely no use duplicating locking/unlocking in
services, cause that functionality is present remotely in much better from any
point of view SQL language interface (ALTER DATABASE). But backup and restore
must be run on localhost and the only way to access them is nbackup utility.
Therefore expanding services API with this functionalty is very useful.
The following actions were added:
isc_action_svc_nbak - incremental nbackup,
isc_action_svc_nrest - incremental database restore.
The following parameters were added:
isc_spb_nbk_level - backup level (integer),
isc_spb_nbk_file - backup file name (string),
isc_spb_nbk_no_triggers - do not run DB triggers (option).
Samples of use of new parameters in fbsvcmgr utility (supposing login and
password are set using some other method):
Create backup level 0:
fbsvcmgr service_mgr action_nbak dbname employee nbk_file e.nb0 nbk_level 0
Create backup level 1:
fbsvcmgr service_mgr action_nbak dbname employee nbk_file e.nb1 nbk_level 1
Restore database from this files:
fbsvcmgr service_mgr action_nrest dbname e.fdb nbk_file e.nb0 nbk_file e.nb1