<div>Hey all,<br> I have a quick question about best practices/tips during system upgrade, particularly on the Linux appliance models. My previous experience with upgrades has been primarily in a lab, which have
always gone fine, However, in my new enterprise, we have an 8 server cluster(pub,5 subs, 2 tftp) running 7.1.5, with critical uptime requirements. Other than recommended procedures from the Cisco Upgrade guides, what other practices or additional procedures do you employ to ensure a smooth upgrade, and/or to speed the process along? <br>
<br>1. Do you upgrade all in one shot, long maintenance window? Install, Reboot , Test?<br>2. Do you do spread out the install over a few days? Install over a few maintenance windows utilizing inactive partitions, then schedule restart and testing for another maintenance window? how long of a time period is it acceptable to spread out?<br>
3. Other then basic call testing, and ensuring that appropriate services are started/running( we distribute service between the subs), what other checks do you include? </div><div> </div><div> </div><div>Thanks in advance.<br>
</div><div> </div><div>Frank Arrasmith</div><div> </div><div> </div><div> </div>