Re: Data Redundancy
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On 01/22/07 18:14, Will Parkinson wrote:
> I have a dedicated server at the moment (which is the one i want
> mirrored), i have considered the solution below before, but does the dns
> "load balance" to a server when it is down? i've been told that it
> doesn't, but i haven't put it into practice yet. What i really need is
> a service to check whether the main server is available, and if its not,
> switch to the secondary. The solution below does take care of the data
> redundancy problem though.
Heartbeat monitors are a dime a dozen.
$ wajig show heartbeat-2
Package: heartbeat-2
Priority: optional
Section: admin
Installed-Size: 4504
Maintainer: Simon Horman <horms@debian.org>
Architecture: i386
Version: 2.0.7-2
Replaces: heartbeat, libpils0, libstonith0, stonith
Provides: heartbeat, libpils0, libstonith0, stonith
Depends: libbz2-1.0, libc6 (>= 2.3.6-6), libcurl3 (>= 7.15.5-1),
libgcrypt11 (>= 1.2.2), libglib2.0-0 (>= 2.12.0), libgnutls13 (>=
1.4.0-0), libgpg-error0 (>= 1.4), libltdl3 (>= 1.5.2-2), libncurses5
(>= 5.4-5), libnet1 (>= 1.1.2-1), libopenipmi0, libpam0g (>= 0.76),
libsensors3 (>= 1:2.10.1), libsnmp9 (>= 5.2.3), libssl0.9.8 (>=
0.9.8c-1), libtasn1-3 (>= 0.3.4), libuuid1, libwrap0, libxml2 (>=
2.6.27), zlib1g (>= 1:1.2.1), python, python-central (>= 0.5.8),
iproute, adduser, iputils-ping, psmisc
Recommends: sysklogd | syslog-ng | system-log-daemon, logrotate,
iptables
Conflicts: heartbeat, libpils0, libstonith0, stonith
Filename: pool/main/h/heartbeat-2/heartbeat-2_2.0.7-2_i386.deb
Size: 1362814
MD5sum: 8528217421a5d8836733fcfdd327e4a8
SHA1: a0f2677d256e0b6df00897b4994c751b7fabc4f5
SHA256: 6e49f5a6937e9046b4ef14640d6f79392da06f09a1dcc7bfb7378ba02c5609e0
Description: Subsystem for High-Availability Linux
heartbeat is a basic heartbeat subsystem for Linux-HA which implements
serial, UDP, and PPP/UDP heartbeats together with IP address takeover
including a nice resource model including resource groups.
.
It currently supports a very sophisticated dependency model for n-node
clusters. It is both extremely useful and quite stable at this point in
time.
Python-Version: current
Tag: uitoolkit::ncurses
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