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Operating Systems Solaris Clustering Solaris Zones/Containers Post 302187543 by trouphaz on Monday 21st of April 2008 11:51:47 AM
Old 04-21-2008
Quote:
Originally Posted by DukeNuke2
yes, you can do that. with the new version of cluster 3.2 you can also cluster linux zones Smilie
also you don't have to cluster the app... you can cluster the whole zone! but the best practice depends on what exactly you want to do!

hth,
DN2
one of the issues that we're trying to address with clustering the zone vs clustering the app has to do with patching. with app level clustering as it is now, you can patch the OS on the offline node and then fail the service groups over after your are complete. if there are any issues you can go back to the previous system and recover the offline node or if not you can proceed with patching the other system that is now the offline node.

with zones, at some point you need to patch the zone itself since even with a sparse root you have files that need to be updated. during that time, you either just have the app down or hope that nothing happens while you patch.

i'm looking for maximum uptime including system maintenance (and management likes the option for application isolation).
 

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nsd-patch(8)							    nsd 3.2.12							      nsd-patch(8)

NAME
nsd-patch - NSD zone patcher version 3.2.12. SYNOPSIS
nsd-patch [-c configfile] [-f] [-h] [-l] [-o dbfile] [-s] [-x difffile] DESCRIPTION
Nsd-patch is the zone patcher for nsd(8). It reads in the nsd database (nsd.db) and difffile (ixfr.db), and overwrites the zone text files if they have been updated. Running this regularly ensures that the difffile does not grow infinitely. OPTIONS
-c configfile Read specified configfile instead of the default /etc/nsd3/nsd.conf. -f Forces writing zone files. Also zones that have not changed are written back to their zone files. -h Print usage help information and exit. -l List the journal entries from the difffile. Does not write to zone files. -o dbfile Store the output directly to dbfile. -s Skip writing zone files. No zones are written back to their zone files. -x difffile Read specified difffile. Overrides the config file setting. FILES
/var/lib/nsd3/nsd.db default NSD database /etc/nsd3/nsd.conf default NSD configuration file SEE ALSO
nsd(8), nsdc(8), nsd.conf(5), nsd-checkconf(8), nsd-notify(8), nsd-xfer(8), zonec(8) AUTHORS
NSD was written by NLnet Labs and RIPE NCC joint team. Please see CREDITS file in the distribution for further details. NLnet Labs jul 19, 2012 nsd-patch(8)
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