----- Original Message ----- From: "Oren Held" <[EMAIL PROTECTED]> To: "Ben-Nes Michael" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, October 14, 2003 1:38 AM Subject: Re: internet services - server farm
> Hi, > > I don't see why it should be problematic, if each daemon accesses its > own files and there are no collisions.. (you know, NFS is designed for > MULTIPLE clients accessing it) - unless you mean to run two apaches at > the same time using the same log file, for example? but why to do that? There is a good reason why to use two apache servers, an its load balance. I can use eddie to direct trafic to more then one web server, see http://eddie.sourceforge.net/ Can this work or two servers writing to the same file will not work ? > > You can use heartbeat (http://www.linux-ha.org) to make the servers > monitor each other and when one is down to do a failover and take its > resources (i.e. run apache and become the web server instead of the one > which just died). > > Note that your suggested configuration doesn't sound too good, because > you have a SINGLE nfs server, which is a potential SPOF (Single Point of > Failure) - if it'll die, your whole 'server farm' would die. > (There are many ways - not all are good ofcourse - to have a highly > available NFS server as well, try to get some info in www.linux-ha.org. > > On Mon, 2003-10-13 at 18:43, Ben-Nes Michael wrote: > > Hi All & Chag Sameah > > > > in September I read an interesting thread about "live website mirroring". > > The thread also spoke about method to use two parallel systems against one > > source of data using NAS, Mirroring, ... > > > > I want to do something similar, I want to put one fileserver and connect all > > other servers to him ( mail, web, backup ) using NFS. > > > > I also want all apache mail whatever logs, configuration files .... to be > > stored on the fileserver. > > > > Can it work ? or I can expect lock problems or what ever. > > > > Cheers ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
