[j-nsp] about 10.4R3 on EX

[Doug Hanks]

Another feature of the dual root partition is that it will allow you to switch between software versions using "request system software rollback" without reinstalling the image.  Don't forget in production to keep both the partitions in sync with "request system snapshot slice"

You can check to see what versions are installed on each partition with "show system snapshot media internal"

Doug

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Doug Hanks
Sent: Tuesday, March 22, 2011 2:45 PM
To: tim at muppetz.com; Kaj Niemi
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] about 10.4R3 on EX

Yes the resilient dual root partition was implemented to deal with this issue on the EX.  I believe this is pretty similar to what the branch SRX do today.

Doug

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of TiM
Sent: Tuesday, March 22, 2011 1:15 PM
To: Kaj Niemi
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] about 10.4R3 on EX

On Wed, March 23, 2011 8:54 am, Kaj Niemi wrote:
> Hi,
>
> <sarcasm>
> To whomever who decided to introduce new features in a R3 release, thanks
> ;-( Specifically installing jloader separately is highly appreciated.
> </sarcasm>

You'll probably be thanking them when your switch loses power* and when
you restore it, you find your bootable filesystem isn't corrupted.

At least I'm _hoping_ that's what this 4th partition is designed to fix.

Context: http://www.gossamer-threads.com/lists/nsp/juniper/25513

Tim

*Yes, I know you should have a working UPS etc.

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