Re: OpenBSD and high availability

2006-08-08 Thread Jens Mayer
Dear all, * On Tuesday 08 August 2006 05:11, Nick Holland wrote: [rsync vs. nfs approach] Simplicity is your friend. rsync is simple, easy to understand, and easy to recover. [...] No, I can't prove it, but I much prefer the simple solution which has simple and understood problems, than the

OpenBSD and high availability

2006-08-07 Thread Jens Mayer
Dear all, we are thinking about a scenario on how to set up a server offering http, ftp and a few postfix/mailman driven mailinglists with a redundant failover. I'm _not_ talking about load balancing here - only the master is serving, while the slave sits still and waits, probably with all

Re: OpenBSD and high availability

2006-08-07 Thread knitti
On 8/7/06, Jens Mayer [EMAIL PROTECTED] wrote: While the networking part can be handled by carp, I'm collecting ideas on how to keep the local file systems in synch - especially for ftp users and the mailinglist archives. The synchronization will be done via a dedicated cross coonect cable

Re: OpenBSD and high availability

2006-08-07 Thread Bret Lambert
knitti wrote: On 8/7/06, Jens Mayer [EMAIL PROTECTED] wrote: While the networking part can be handled by carp, I'm collecting ideas on how to keep the local file systems in synch - especially for ftp users and the mailinglist archives. The synchronization will be done via a dedicated cross

Re: OpenBSD and high availability

2006-08-07 Thread Joachim Schipper
On Mon, Aug 07, 2006 at 06:07:53PM +0200, knitti wrote: On 8/7/06, Jens Mayer [EMAIL PROTECTED] wrote: While the networking part can be handled by carp, I'm collecting ideas on how to keep the local file systems in synch - especially for ftp users and the mailinglist archives. The

[Fwd: Re: OpenBSD and high availability]

2006-08-07 Thread Dag Richards
I am running two clusters using carp for network failover. I use rsync every 15 minutes for the simple webapp which issues x509 certs. A script runs on each node to check if it is master if so it makes a crl, if not it pulls the directory hierarchy from the master. The other cluster does the

Re: OpenBSD and high availability

2006-08-07 Thread Jason Dixon
On Aug 7, 2006, at 12:31 PM, Joachim Schipper wrote: On Mon, Aug 07, 2006 at 06:07:53PM +0200, knitti wrote: On 8/7/06, Jens Mayer [EMAIL PROTECTED] wrote: While the networking part can be handled by carp, I'm collecting ideas on how to keep the local file systems in synch - especially for

Re: OpenBSD and high availability

2006-08-07 Thread Diana Eichert
On Mon, 7 Aug 2006, Jason Dixon wrote: SNIP Also, I'm not sure how ccd and nfs interact, but given that ccd isn't meant for data security (use RAIDframe) and nfs has many interesting issues, I'm not certain I would trust my data to that. I *believe* that, presuming the NFS server itself

Re: OpenBSD and high availability

2006-08-07 Thread Nick Holland
knitti wrote: On 8/7/06, Jens Mayer [EMAIL PROTECTED] wrote: While the networking part can be handled by carp, I'm collecting ideas on how to keep the local file systems in synch - especially for ftp users and the mailinglist archives. The synchronization will be done via a dedicated cross

Re: OpenBSD and high availability

2006-08-07 Thread Dag Richards
Nick Holland wrote: knitti wrote: On 8/7/06, Jens Mayer [EMAIL PROTECTED] wrote: While the networking part can be handled by carp, I'm collecting ideas on how to keep the local file systems in synch - especially for ftp users and the mailinglist archives. The synchronization will be done