Hey Remy, The DNS server does not determine which server is down, however If It is unable to resolve the 1st entry, it will automatically go down to the 2nd entry. Regards, Sagar Navalkar Team Leader -----Original Message----- From: Mario Remy Almeida [mailto:malmeida@xxxxxxxxxxxxxx] Sent: Monday, June 15, 2009 1:36 PM To: Sagar Navalkar Cc: squid-users@xxxxxxxxxxxxxxx; 'abdul sami' Subject: RE: How to setup squid proxy to run in fail-over mode Hi Sagar, Just a Question? How can a DNS server determine that the primary server is down and it should resolve the secondary server IP? //Remy On Mon, 2009-06-15 at 11:21 +0530, Sagar Navalkar wrote: > Hi Abdul, > > Please try to enter 2 different IPs in the DNS .... > > 10.xxx.yyy.zz1 (proxyA) as primary (proxyA-Name should be same on both the > servers.) > 10.xxx.yyy.zz2 (proxyA) as secondary. > > Start squid services on both the servers (Primary & Secondary) > > If Primary server fails, the DNS will resolve secondary IP for proxyA & the > squid on second server will kick in automatically...... > > Hope am able to explain it properly. > > Regards, > > Sagar Navalkar > > > -----Original Message----- > From: abdul sami [mailto:sami.memon@xxxxxxxxx] > Sent: Monday, June 15, 2009 11:17 AM > To: squid-users@xxxxxxxxxxxxxxx > Subject: How to setup squid proxy to run in fail-over mode > > Dear all, > > Now that i have setup a proxy server, as a next step i want to run it > in fail-over high availability mode, so that if one proxy is down due > to any reason, second proxy should automatically be up and start > serving requests. > > any help in shape of articles/steps would be highly appreciated. > > Thanks and regards, > > A Sami > ---------------------------------------------------------------------------- -- Disclaimer and Confidentiality This material has been checked for computer viruses and although none has been found, we cannot guarantee that it is completely free from such problems and do not accept any liability for loss or damage which may be caused. Please therefore check any attachments for viruses before using them on your own equipment. If you do find a computer virus please inform us immediately so that we may take appropriate action. This communication is intended solely for the addressee and is confidential. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. The views expressed in this message are those of the individual sender, and may not necessarily be that of ISA.
