Monday, 2019-09-16

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openstackgerritVedaAnnayappa proposed openstack/nova-powervm master: Fixing UT issues to support Python 3 Train Version  https://review.opendev.org/67848210:04
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openstackgerritVedaAnnayappa proposed openstack/nova-powervm master: Fixing UT issues to support Python 3 Train Version  https://review.opendev.org/67848214:00
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openstackgerritVedaAnnayappa proposed openstack/nova-powervm master: Fixing UT issues to support Python 3 Train Version  https://review.opendev.org/67848215:01
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openstackgerritVedaAnnayappa proposed openstack/nova-powervm master: Fixing UT issues to support Python 3 Train Version  https://review.opendev.org/67848215:44
openstackgerritEric Fried proposed openstack/nova-powervm master: Fixing UT issues to support Python 3 Train Version  https://review.opendev.org/67848216:30
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efriedo/ ullbeking18:38
ullbekingo/ efried18:38
efriedI'm not sure this is actually the channel you care about.18:39
efriedThis is specifically for PowerVM18:39
efriedbut it's quiet, so we don't interrupt the important things going on in -infra18:39
efriedPowerVM is not the same thing as running linux/kvm on a POWER platform.18:39
ullbekingI care about openstack and I care about POWER9 and PowerPC, but so far all my OpenStack deployments are pretty standard and predictable Intel type configurations18:40
ullbekingbut I AM intending on moving to POWER and PowerPC for OpenStack _at some point_18:40
ullbeking19:39 <efried> PowerVM is not the same thing as running linux/kvm on a POWER platform.18:41
ullbekingI thought I knew the difference sufficiently well but perhaps not...18:41
ullbekingmore research is needed by me, obvs18:41
efriedHave you heard of AIX? IBMi?18:41
efriedVIOS?18:41
ullbekingefried: oh yes!18:41
efriedHMC?18:41
ullbekingYes!18:41
efriedAll of that stuff is PowerVM18:41
efriedLike, you can only run VIOS & AIX on a PowerVM system.18:41
ullbekingI am merely a curious observer then, considering the fact that I skirt around IBMi _at best_18:42
ullbekingcloset I ever got was developing on AIX in a big corporation a few years ago18:42
efriedWell, you can run Linux LPARs on PowerVM as well18:43
efriedI just didn't want to confuse the issue18:43
efriedbecause that's *not* the same thing as running Linux *on* your POWER system (sans PowerVM) and then virtualizing on top of that.18:43
ullbekingefried: thank you.  your explanation has been concise, informative, and greatly needed by me18:43
ullbekingI am still interesting too, however18:44
efriedThere's a nova virt driver that supports most operations in the PowerVM environment. That's what this channel is for. There's a bare-bones driver in tree, but for any kind of effective use, you would want the out-of-tree nova-powervm project.18:44
ullbekinginterested*18:44
efriedThat's the only thing I have background on (I worked for IBM for a long time, helped develop nova-powervm and its back-end pieces).18:44
ullbekingefried: "There's a nova virt driver that supports most operations in the PowerVM environment." can we get that in to this channel's topic?18:45
ullbekingefried: I see, ok, cool, so you have a very serious and deeply invested effort18:45
efrieds/you have/there was/18:46
ullbekingmy interest in this particular corner of IBM technology is observational at best18:46
ullbekingthe closest would be developing on POWER918:46
efriedI don't work for IBM anymore. There's a new team working on PowerVM and they're still struggling to get their feet under them.18:46
ullbekingthe new team at IBM?18:46
efriedyeah18:46
ullbekingthat sounds like a reorg gone bad18:46
efriedquite18:47
ullbekingugh18:47
efriedAnyway, if you're interested, the code for nova-powervm is here https://opendev.org/openstack/nova-powervm18:47
efriedbut what you probably care about is the other side of things, where you just run linux on your power system and run nova right on top of that.18:48
efriedso you're using kvm, not LPAR18:48
efriedtbh, if you wanted to use powervm with openstack, you would be most likely interested in PowerVC, which is a pay product that provides a lovely UI in front of OpenStack specifically for running it on Power systems.18:49
ullbekingyes, I'm using KVM, but I keep bumping into mentions of LPAR _all over the place_18:49
ullbekingI will have a look at the nova-powervm out of interest18:50
ullbekingis PowerVC an IBM Cloud thing?18:50
efriedwell, I can tell you this: LPAR is true partitioning. KVM is, like, chroot on steroids.18:50
ullbekinglol18:50
ullbekingefried: that is the least flattering description of KVM's type-1-ness I've ever heard18:51
efriedand price/performance, Power absolutely destroys x86 six ways from Sunday18:51
efriedit's just so entrenched in the industry, and the cost of entry for power is so high, that it can't get any traction.18:51
efriedHave you heard of "rack scale design"?18:52
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efriedaka "composable hardware"18:52
ullbeking"rack scale design" is a nice term18:54
efriedYou basically have a chassis full of hardware and you create a "server" by assembling some number of *actual* CPUs etc. So what you end up with is a truly isolated server, but that's actually a subset of what's in the rack.18:54
ullbekingso is "composable hardware"18:54
efriedThis is a new thing "they" are trying to do18:54
efriedbut it's effectively a rudimentary version of what PowerVM has been doing with LPARs for 20+ years.18:55
ullbekingis it an extension of hyperconvergence?18:55
efriednot familiar18:55
ullbekinghyperconvergence is a very vague and poorly defined thing anyway18:55
efriedin this industry? never!18:55
efried"edge" anyone?18:55
ullbekingI use it to design clusters but I still don't understand it very well18:55
ullbekinglol18:56
ullbeking"edge" is the silliest thing I ever heard.  but on a more serious note...18:56
ullbekingthe hype/fad that genuinely worries me is all this fuss about ML/AI/deep learning/etc.  the fact that people have completely forgotten about the AI Winter.18:57
efriedYou mean Terminator-style?18:57
ullbekingnot really18:59
ullbekingmore like a fizzle18:59
ullbekingI mean, Terminator-style is what we are promised19:00
ullbekingbrb19:00
ullbekingbtw, efried, thank you for introducing me to PowerVM and this channel :D19:00
ullbekingI really, REALLY appreciate it!19:00
efriedwelcome19:01
ullbekingbrb19:01

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