This is purely for reference here, there is/was an effort to do FreeBSD jail live migration some details here: http://www.7he.at/freebsd/vps/features.html There is even a small demo video http://www.7he.at/freebsd/vps/docs/demo_2012.mp4
The project never really took off (mostly funding related).. As others already stated, simpler to have some form of application layer redundancy.. On Tue, Dec 29, 2015 at 1:20 PM, Paul Sture <[email protected]> wrote: > On 28 Dec 2015, at 23:09, Will Beazley wrote: > > Heinz, >> >> If I remember correctly VMS, one version of Linux from long long ago >> (scrolling credits, let the razing commence) and some others supported >> process migration. >> > > Long time VMS user here. I don't recall vanilla VMS supporting process > migration as such, though there was a high availability system known as > VAXft (or similar), where "ft" stood for Fault Tolerant. Sadly I never got > my mitts on one of those so don't know the details. > > What distinguishes VMS (yes it's still alive in spite of HP's efforts to > destroy it, though with a customer base much reduced from its heyday) is > its clustering capability and Distributed Lock Manager. This gives > expansion by adding extra nodes but with failover capability as opposed to > process migration. The DLM means you can share all kinds of resources > across nodes, even down to the record level within a file. > > Is this "still a thing" now-a-days? >> > > HP's NonStop line, (formerly known as Tandem and inherited along with > DEC's VMS and Tru64 lines with HP's takeover of Compaq), offers redundant > everything for seamless uptime. I gather it's scorchingly expensive though. > > -- > Paul Sture > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
