> -----Original Message----- > From: [email protected] [mailto:juniper-nsp- > [email protected]] On Behalf Of Richard A Steenbergen > Sent: Tuesday, March 22, 2011 7:16 PM > To: [email protected] > Subject: Re: [j-nsp] about 10.4R3 on EX > > On Tue, Mar 22, 2011 at 03:46:36PM -0500, Richard A Steenbergen wrote: > > The process of upgrading to a resilient dual-root partitions release > > takes longer due to the additional step of upgrading the loader > software > > and a longer reboot time while the disk is reformattedto four > partitions > > during the reboot of the switch that completes the Junos OS upgrade. > The > > reformat increases the reboot time for EX2200, EX3200, EX4200, and > > EX4500 switches by 5 to 10 minutes. For EX8200 switches, the reboot > time > > increases by 10 to 25 minutes per Routing Engine, and additional > reboots > > are required. > > Also, in reading the upgrade process for the new boot loader, it says: > > For an EX8200 switch with redundant Routing Engines, you must upgrade > the loader software on both Routing Engines. You can upgrade the loader > software on a Routing Engine only when it is master. Make sure that > graceful Routing Engine switchover (GRES) and nonstop active routing > (NSR) are disabled before you begin the upgrade. > > The requirement that you can only upgrade it when the RE is the master > is a pretty serious issue. This means you can't just pre-stage the > upgrade on the backup RE and then switch over to it in a single move, > you've got to take down the entire device for the duration of multiple > reloads (4 apparently, 2 per RE * 2 REs) to complete the upgrade. Is > there some other interpretation of this that I'm missing? From my quick > lab testing it looks like you can at least get the jinstall and 25 > minute reformatting out of the way beforehand, but you've still got to > be master to upgrade the actual loader.
...and ISSU flies right out the window... :( Presumably this is only a one time thing right? Subsequent upgrades shouldn't require reformatting since the dual-root partitions will already be in existence... at least until they decide to go with NANDFS or quad-root partitions eh'? ;> Stefan Fouant, CISSP, JNCIEx2 www.shortestpathfirst.net GPG Key ID: 0xB4C956EC _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
