[Samba] Recovery from Domain/WINS Outage - Didn't work well

2003-02-24 Thread Hall, Ken (ECSS)
We're using Samba 2.2.5 and 2.2.7 in SECURITY=DOMAIN mode.

This morning we lost contact with our PDC, and for about 2 hours, users were unable to 
logon.  After chasing this down, we determined that we were also unable to contact the 
WINS server defined in
smb.conf.  Our backup WINS server was available, but it seems Samba only supports one 
WINS server in smb.conf, so this didn't help much.  After manually switching to the 
other WINS server, we were
able to connect.

We're still new with this, and so far Samba isn't looking too reliable to our 
management.  This is the second time a WINS-related problem has knocked us down while 
the Windows servers remained
available.

I'm assuming we're still only allowed to specify a single WINS server.  Does anyone 
have any idea if this will be fixed anytime soon?

Should Samba have recovered from the DC outage?  It appears that after losing contact 
with the DC, it went back to WINS, and tried to get a new list.  Does it only try the 
first DC on the list, or
does it work down till it finds a good one?  Am I correct in assuming that being 
unable to connect to the WINS server would prevent this from happening?

Thanks in advance for any info you can provide.

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Re: [Samba] Recovery from Domain/WINS Outage - Didn't work well

2003-02-24 Thread John H Terpstra
On Mon, 24 Feb 2003, Hall, Ken (ECSS) wrote:

 We're using Samba 2.2.5 and 2.2.7 in SECURITY=DOMAIN mode.

 This morning we lost contact with our PDC, and for about 2 hours, users
 were unable to logon.  After chasing this down, we determined that we
 were also unable to contact the WINS server defined in smb.conf.  Our
 backup WINS server was available, but it seems Samba only supports one
 WINS server in smb.conf, so this didn't help much.  After manually
 switching to the other WINS server, we were able to connect.

 We're still new with this, and so far Samba isn't looking too reliable
 to our management.  This is the second time a WINS-related problem has
 knocked us down while the Windows servers remained available.

 I'm assuming we're still only allowed to specify a single WINS server.
 Does anyone have any idea if this will be fixed anytime soon?

Yes, in Samba-3.0.0 which is currently in Alpha test. Should be released
around April. You might want to download it and try it before then. We can
do with your feedback.


 Should Samba have recovered from the DC outage?  It appears that after
 losing contact with the DC, it went back to WINS, and tried to get a new
 list.  Does it only try the first DC on the list, or does it work down
 till it finds a good one?  Am I correct in assuming that being unable to
 connect to the WINS server would prevent this from happening?

If Samba can not resolve the netbios name to an IP address then obviously
it can not find the machine it needs to communicate with. If WINS goes
down, then in effect you can be hosed.

- John T.
-- 
John H Terpstra
Email: [EMAIL PROTECTED]
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Re: [Samba] Recovery from Domain/WINS Outage - Didn't work well

2003-02-24 Thread John H Terpstra
On Mon, 24 Feb 2003, Hall, Ken (ECSS) wrote:

 We're using Samba 2.2.5 and 2.2.7 in SECURITY=DOMAIN mode.

 This morning we lost contact with our PDC, and for about 2 hours, users
 were unable to logon.  After chasing this down, we determined that we
 were also unable to contact the WINS server defined in smb.conf.  Our
 backup WINS server was available, but it seems Samba only supports one
 WINS server in smb.conf, so this didn't help much.  After manually
 switching to the other WINS server, we were able to connect.

 We're still new with this, and so far Samba isn't looking too reliable
 to our management.  This is the second time a WINS-related problem has
 knocked us down while the Windows servers remained available.

 I'm assuming we're still only allowed to specify a single WINS server.
 Does anyone have any idea if this will be fixed anytime soon?

Yes, in Samba-3.0.0 which is currently in Alpha test. Should be released
around April. You might want to download it and try it before then. We can
do with your feedback.


 Should Samba have recovered from the DC outage?  It appears that after
 losing contact with the DC, it went back to WINS, and tried to get a new
 list.  Does it only try the first DC on the list, or does it work down
 till it finds a good one?  Am I correct in assuming that being unable to
 connect to the WINS server would prevent this from happening?

If Samba can not resolve the netbios name to an IP address then obviously
it can not find the machine it needs to communicate with. If WINS goes
down, then in effect you can be hosed.

- John T.
-- 
John H Terpstra
Email: [EMAIL PROTECTED]