> From: Gary Mills <
mills@...>
> I probably don't even need to ask this, but I like to be careful.
I believe in upward compatibility.
> I just upgraded a test server from dcc-1.3.48 to dcc-1.3.86. On
> startup, DCC noticed version mismatches and automatically upgraded
> the necessary databases. These messages appeared:
>
> Mar 29 12:36:53 setup01 dccd[15877]: [ID 702911 mail.error] dcc_db contains the wrong magic string "DCC checksum database version 3"
and so dccd ran dbclean to fix things.
> Mar 29 12:36:56 setup01 dbclean[15879]: [ID 702911 mail.error] wrong magic in flod.map; "DCC flod map version 10" instead of "DCC flod map version 14"
and so dbclean rebuilt /var/dcc/flod.map file from /var/dcc/flod.
> It all worked normally after that. For production, I have two DCC
> servers with flood feeds to each other and to external sites that both
> run dcc-1.3.48. Can I upgrade one to dcc-1.3.86 and leave the other
> one at the old version for some time? I assume that this is all
> possible.
Yes.
The only oddity you might see is that new DCC clients (systems
running dccm, dccifd, or dccproc) will prefer, but not insist on
the new DCC server.
Vernon Schryver
vjs@...
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