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Adam Williams wrote:
| In /varcache/samba/ I have several .tdb files.
| Like brlock.tdb, locking.tdb, ntdrivers.tdb, etc.
| Excusing my ignorance, what are these files, and
| what do they do? And why must they be copied when
| migrating from one samba server to a new one?
Samba uses a lightweight database called Trivial Database
(tdb). Here's the list (john, we should really document
this somewhere).
(*) information persistent across restarts (but not
necessarily important to backup).
account_policy.tdb* NT account policy settings
such as pw expiration, etc...
brlock.tdb byte range locks
browse.dat browse lists
connections.tdb share connections (used to enforce
max connections, etc...)
gencache.tdb generic caching db
group_mapping.tdb* group mapping information
lang_en.tdb Language encodings (i think).
locking.tdb share modes & oplocks
login_cache.tdb* bad pw attempts
messages.tdb Samba messaging system
netsamlogon_cache.tdb* cache of user net_info_3 struct
from net_samlogon() request (as a
domain member)
ntdrivers.tdb* installed printer drivers
ntforms.tdb* installed printer forms
ntprinters.tdb* installed printer information
printing/ directory containing tdb per print
queue of cached lpq output
registry.tdb Windows registry skeleton
(connect via regedit.exe)
sessionid.tdb session information (e.g. support for
'utmp = yes')
share_info.tdb* share acls
unexpected.tdb unexpected packet queue needed to
support windows clients that respond
on a difference port that the
originating request) (i could be wrong
~ on this one).
winbindd_cache.tdb winbindd's cache of user lists, etc...
winbindd_idmap.tdb* winbindd's local idmap db
wins.dat* wins database when 'wins support = yes'
The following tdb's should be backed up IMO:
nt*.tdb
account_policy.tdb
group_mapping.tdb
share_info.tdb
cheers, jerry
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