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   July 25, 2012  
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[03:45:46] <amublance_wookie> rmustacc: turns out we were accidentally restarting another service due to a flaw in our chef SMF provider
[03:46:23] <amublance_wookie> If anyone wants to have a peek at how we define SMF-managed services via Chef, the code is here: https://github.com/modcloth-cookbooks/smf
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[03:47:04] <modcloth_wookiee> That's all for tonight.
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[04:29:37] <jeffpc> what have you done to me??
[04:30:05] <richlowe> caused you to figure out the crash dump code
[04:30:07] <jeffpc> I just decided that json would make sense for a simple key-value pair file!
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[06:12:16] <trentster1> modcloth_wookiee: thanks for the github link for chef, I am busy dabbling and learning chef at the moment, and those will come in handy.
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[07:27:30] <trentster1> MerlinDMC: Hi you around?
[07:32:42] <MerlinDMC> trentster1, now i am
[07:36:57] <trentster1> Just wondering, are you still using vmwebadm for node api management?
[07:37:54] <MerlinDMC> trentster1, no ... you don't need to follow my repo ;) ... i just forked that to get a bug out
[07:38:12] <MerlinDMC> i'm not using clojurescript ... so i can't really play with that code
[07:38:58] <MerlinDMC> but if you search for an api endpoint ... you should take a look at libsniffle and write a frontend for that
[07:39:31] <trentster1> ok, just going through some of the code and fixing typos etc. I am also fixing typo's in project-fifo as well.
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[07:39:53] <MerlinDMC> Licenser is the lord of typos :)
[07:40:05] <trentster1> Was wondering how you are currently orchestrating your cloud at the moment.
[07:40:28] <trentster1> yup, but his coding skills are pretty darn good tho ;-)
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[07:40:57] <MerlinDMC> i don't have a cloud .. i have two servers using SmartOS 24/7 and just use vmadm - all pretty static
[07:41:29] <MerlinDMC> today i will finish a SmartOS host for my office and serve some windows VMs
[07:41:46] <trentster1> ok, manual management, pity.
[07:42:29] <MerlinDMC> after that i think i need to get some sort of migration running and after that i have time to make my life easier i guess
[07:43:08] <MerlinDMC> not that big pity ... as i said ... all is very static
[07:43:40] <MerlinDMC> one host is in my room and serves a bigger zpool for storage and some zones for testing stuff and building smartos
[07:44:07] <MerlinDMC> the other one has freebsd, centos and ubuntu VMs running for simple services
[07:45:00] <MerlinDMC> i really never have to care much about performance or resources so i don't have much to orchestrate :)
[07:45:17] <trentster1> You mentioned you are planning to use it more extensively at the office, probably down the track you will end up using "FiFo" or something home-brewed you have written yourself.
[07:45:37] <MerlinDMC> ... just my storage pool at home sucks ... but thats because of the bad disks in the pool
[07:46:08] <trentster1> toss out Sata, replace with SAS then…:^)
[07:46:41] <trentster1> use SSD for Arc and Zil, then :^) more.
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[07:46:59] <MerlinDMC> fifo or smth home brewed yes ... i need to write some libs for node that i also would need for a management project for smartos ... maybe i'll glue them together
[07:47:30] <trentster1> fifo is making remarkable progress.
[07:47:57] <MerlinDMC> SAS ... yeah ... would be enough to swap out those WD Green ;) ... but right now my 5TB pool is full ... and disks to upgrade that enough are expensive
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[09:17:15] <Xander> Does anyone know if IPv6 works with SmartOS?
[09:21:03] <jatan> yes, it does
[09:21:38] <jatan> Xander, why wouldn't it?
[09:22:07] <Xander> jatan, I'm not sure. I'm thinking of moving to SmartOS - but I couldn't find anything in the wiki (quick search) about it. That's why I ask ;)
[09:22:57] <jatan> boot it up in your VM and you'll see
[09:23:01] <jatan> worked for me
[09:24:20] <Xander> Great. I also have on more question before I dive in, when SmartOS reboots (since it's running 'live' right) will it automatically pick up any config files that'll make it resume operations at once?
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[09:33:53] <bdha> Xander: Generally, yes. It reads /usbkey for configs.
[09:34:12] <bdha> As a rule, you don't want to run any services or make substantial changes to the global zone, though.
[09:34:27] <bdha> If you do want to, you can plug custom services into /opt/custom/smf and they'll be loaded on boot.
[09:34:30] <bdha> (see the wiki)
[09:34:36] <MerlinDMC> i thought all the management tools do not support ipv6 right now
[09:34:47] <Xander> I see, thanks :) - that's what I was curious about
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[16:42:18] <jeffpc> hrm, dlstat outputs nothing in ngz
[16:42:50] <jeffpc> kstat shows the numbers
[17:05:20] <kfr> anyone running oi 151a5 in kvm, it seems unstable to me
[17:05:37] <kfr> seems to drop network from time to time
[17:06:01] <kfr> running on joyent_20120713T005832Z
[17:08:44] <rmustacc> kfr: What nic are you using?
[17:09:57] <rmustacc> jeffpc: Interesting to know. Consider filing a bug against smartos-live.
[17:10:22] <jeffpc> rmustacc: will do
[17:10:24] <kfr> e1000g0
[17:10:52] <rmustacc> kfr: Aha, I know the problem.
[17:11:21] * jeffpc tries to find the bug tracker
[17:11:34] <rmustacc> Let me dig up a link to a change we made to e1000g that OI151a5 certainly doesn't have which is causing your problem.
[17:11:49] <rmustacc> jeffpc: https://github.com/joyent/smartos-live
[17:11:52] <kfr> I can chage the nic too
[17:12:10] <jeffpc> rmustacc: thanks
[17:12:11] <rmustacc> jeffpc: If you have other illumos/zoned systems it'd be useful to know what they're seeing and how the vnics were created in those zones.
[17:12:22] <rmustacc> jeffpc: I imagine part of it comes by how we create the vnic and insert it into the zone.
[17:12:28] <jeffpc> rmustacc: ok
[17:12:29] <kfr> I also have an odd NFS issue with linux clients connecting to OI 141a5 server.
[17:12:43] <rmustacc> kfr: If you switch away from e1000 you'll be in better shape.
[17:12:55] <jeffpc> rmustacc: what's the smartos-way to get network stats in a zone?
[17:13:07] <Triskelios> kfr: I'm using rtls in KVM
[17:13:12] <rmustacc> kfr: Basically the e1000 nic that qemu emulates has buggy checksum offset.
[17:13:18] <rmustacc> *offloading
[17:13:22] <rmustacc> Let me find the ticket.
[17:14:02] <rmustacc> jeffpc: I always end up using Brendan's nicstat.
[17:14:05] <rmustacc> I didn't know about dlstat.
[17:14:07] <kfr> I have got all day, no rush
[17:14:38] <rmustacc> https://github.com/joyent/illumos-joyent/commit/d26ccb67c380bd8e12daf99987339ec493d84318#L0R658
[17:16:09] <kfr> what is the name of the nic that I should use in the json file?
[17:16:51] <JT-EC> rmustacc: Make sense for OI to grab that patch? and has the qemu issue been upstreamed?
[17:17:59] <rmustacc> JT-EC: It's my impression it's been fixed in a newer QEMU, but I didn't dig into the issue, you'd have to ask Bryan.
[17:18:18] <kfr> it would be great if oi 151a6 came out this week with the patch
[17:18:25] <JT-EC> lol
[17:18:38] <kfr> or can I simply copy over the driver from smartos
[17:19:17] <JT-EC> rmustacc: Okay
[17:19:57] <rmustacc> Unfortunately upgrading QEMU for us is very risky and a lot of work.
[17:20:09] <Triskelios> kfr: you can
[17:21:03] <Triskelios> rmustacc: I don't see any downside in upstreaming that change
[17:21:45] <kfr> so copying /kernel/drv/amd64/e1000g from smartos to oi should help with my issue?
[17:22:14] <Triskelios> correct
[17:22:38] <rmustacc> Triskelios: I don't disagree. Mostly just time right now.
[17:25:09] <Sachiru> Guys, quick query: I wish to use SmartOS for my thesis, specifically, deploying a small proof of concept datacenter using cheap commodity equipment. What's the minimum tolerable hardware requirements for SmartOS, can it run on Intel Atom/AMD Fusion, and is it as much of a memory hog as conventional OpenSolaris is?
[17:26:15] <Sachiru> Also, I understand that it uses memory caching to allow KVM to defeat bare metal performance for high i/o tasks, besides that, what other enhancements does it provide to increase performance for virtual guests?
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[17:30:46] <jeffpc> rmustacc: https://github.com/joyent/smartos-live/issues/102
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[17:33:37] <kfr> rmustacc: looks like that may hvae fixed my nfs issues
[17:34:05] <rmustacc> jeffpc: Thanks.
[17:34:14] <rmustacc> kfr: Yeah, well, not corrupting packets ceratinly helps there.
[17:34:53] <kfr> I'll have to try moving my home directories and see if that fixes my problems
[17:34:57] <rmustacc> Sachiru: SmartOS requires a 64-bit capable CPU. To run KVM an atom won't cut it.
[17:35:37] <kfr> it also restores some faith in oi since i'm going to moving 150+ home directories to a new oi box
[17:35:45] <Sachiru> Thanks. What would be your minimum and recommended CPU for it? Please remember that this isn't for a production environment, only a thesis, and a student's budget cannot buy server-class equipment.
[17:36:12] <rmustacc> Sachiru: As for memory, depends on what was using your memory previously. If it was stuff like the Gnome Desktop Environment, well, we don't ship a desktop.
[17:37:04] <Sachiru> Yes, I know what SmartOS is for, I'm planning to take it to virtualize at least six instances actually (two apache, two mysql, two windows domain controllers).
[17:37:25] <rmustacc> You want to run 6 KVM guests?
[17:37:44] <jeffpc> Sachiru: keep in mind that you can't overcommit memory
[17:37:47] <rmustacc> Or are you also planning on using zones?
[17:37:48] <jeffpc> Sachiru: for KVM
[17:38:50] <Sachiru> @rmustacc also planning on zones, yes. @jeffpc yeah, that's ok, the apache and mysql instances would be running on either very thin linux guest OSes like damn small linux or something, or probably slimmed down netbsd.
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[17:39:28] <jeffpc> Sachiru: any reason you wouldn't want to run them in zones instead of kvm?
[17:39:32] <rmustacc> Well, what kind of performance are you looking for then?
[17:39:54] <rmustacc> You can certainly get away with less CPU, but that will drastically change the KVM performance.
[17:39:58] <Sachiru> @JeffPC mostly for testing. Gonna run one in KVM, one in zones, see which has better performance.
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[17:40:31] <Sachiru> @rmustacc: Basically, the apache servers should be able to run a few phpbb forums, probably a video hosting service, and most likely a few wordpress blogs.
[17:40:58] <Sachiru> The goal is to demonstrate that a datacenter need not use server-class equipment if the target consumers are SOHO.
[17:41:16] <Sachiru> And that increases in businesses can be done by fine-grained modularity.
[17:41:46] <rmustacc> If I was running something for a business I would never dream of running something without IPMI, but that's not that important.
[17:41:55] <rmustacc> What kind of client load do you expect to be able to handle?
[17:42:02] <rmustacc> What kind of networking throughput do you need to be able to handle?
[17:42:09] <jeffpc> rmustacc: or ECC RAM
[17:42:19] <trentster1> where can I find a binary version of nicstat that will run on smartos?
[17:42:43] <kfr> FWIW I would never run SATA drives anymore on our production servers
[17:42:51] <rmustacc> trentster1: I should have one sitting around somewhere which I can find for you.
[17:43:07] <kfr> Slow SAS drives sure
[17:43:11] <trentster1> rmustacc: thanks muchly
[17:43:52] <rmustacc> trentster1: It'll be a little bit as I need to get to the office.
[17:43:52] <Sachiru> IPMI? What is that? Also, most likely client load would be forum software (phpbb), serving up files via both intranet ftp and email, serving up video files for company training, serving wordpress blogs and probably an e-commerce site or two.
[17:44:07] <Sachiru> Low CPU consumption but probably very high I/O.
[17:44:28] <Sachiru> Regarding networking throughput, a network throughput of 80 Mbps would be more than fine.
[17:45:01] <Sachiru> As I said, it's for proof of concept, not production. I'm certainly not crazy enough to try to run a datacenter using atoms.
[17:45:49] <trentster1> rmustacc: thanks, its almost midnight here, can you drop a link to it in the channel and ill grab it when I wake up..?
[17:48:27] <Sachiru> The testing would be done by setting up a Windows Server installation on hardware identical to the SmartOS box, then running an email server, web server, sql server and benchmarks on both.
[17:49:13] <Sachiru> Hopefully, since the target workload would be heavily I/O based, I should be able to demonstrate that virtualized OSes using memcaching and arc achieve performance faster than bare-metal.
[17:51:44] <jperkin> jeffpc: I've pushed upstream fixes for the R_AMD64_32 problems, hopefully have them in joyent repo soon.
[17:52:00] <jeffpc> jperkin: cool
[17:52:08] <jeffpc> jperkin: let me know when I should try it
[18:06:46] <Sachiru> So, uh, any advice on hardware?
[18:08:36] <jeffpc> Sachiru: it sounds like you care about the price tag a lot... what's your budget? what can you get for it? will that be enough?
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[18:09:18] <Sachiru> Probable budget would be around $500-$800 dollars. As I said, it's for a student's thesis, and I live in a third-world country. That's why I was asking if Atoms would work.
[18:09:36] <Sachiru> If not, please tell me what the minimum requirements are, so that I can start scrimping and saving.
[18:10:33] <jeffpc> if you want kvm, you'll need nehalam or newer intel chip
[18:11:02] <jeffpc> specifically, it needs to have the hw virt assist bits
[18:11:08] <jeffpc> I don't know what atoms have
[18:11:15] <jeffpc> it must be 64-bit
[18:11:54] <jperkin> almost certainly not, I think the cheapest for kvm would be an i3 celeron
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[18:13:03] <Sachiru> Sandy Bridge works, or does it really have to be Nehalem?
[18:13:22] <jeffpc> Sachiru: "or newer"
[18:13:27] <Sachiru> http://www.cpu-world.com/CPUs/Pentium_Dual-Core/Intel-Pentium%20G640.html
[18:13:27] <jeffpc> so, SB will work
[18:13:33] <Sachiru> This looks nice.
[18:13:49] <Sachiru> Is KVM strictly limited to Intel chips, or are AMDs okay as well?
[18:14:11] <jeffpc> only intel
[18:14:18] <quasi> there's work to support amd
[18:14:30] <jeffpc> but it won't be ready anytime soon
[18:14:30] <kfr> who is doing the amd work?
[18:14:32] <quasi> not sure how far it's gotten
[18:14:40] <jeffpc> kfr: community
[18:15:29] <Sachiru> Ah.
[18:15:43] <Sachiru> So if I go for AMD, I'll be forced to use zones. Got it.
[18:15:47] <jeffpc> yep
[18:15:53] <kfr> would wonder if joyent would add amd kvm support if the community finished it.
[18:16:06] <quasi> they will
[18:16:21] <quasi> provided it makes it into illumos
[18:18:03] <Sachiru> Okay, will go probably for celerons.
[18:18:42] <Sachiru> I sincerely doubt that three or four wordpress blogs on a single stripped down linux guest running apache would stress a celeron, considering that the concurrent user count would be less than 500.
[18:18:47] <Sachiru> Or am I worng?
[18:18:50] <Sachiru> *wrong?
[18:19:50] <jeffpc> I ditched wordpress years ago
[18:20:05] <trentster1> jeffpc: what you use now?
[18:20:27] <jeffpc> trentster1: ended up writing my own... it let's me write my posts in pseudo-latex
[18:20:30] <jeffpc> :)
[18:20:35] <jeffpc> posts are just text files
[18:20:45] <trentster1> jeffpc: hardcore ;-)
[18:20:47] <jeffpc> metadata were xattrs
[18:21:05] <jeffpc> but I changed it recently to a single sqlite db
[18:21:11] <Sachiru> Eh, the blog isn't the problem.
[18:21:21] <Sachiru> Just demonstrating that it can run apache fine is fine.
[18:21:27] <jeffpc> trentster1: and it's written in C :)
[18:21:32] <Sachiru> Also, yay for atoms that are capable of VT-X! http://www.cpu-world.com/CPUs/Atom/Intel-Atom%20N570.html
[18:21:54] <jperkin> you also need EPT
[18:23:38] <trentster1> Sachiru: Atom will not work for KVM on smartos. no way.
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[18:24:22] <Gurpartap> Is SmartOS only for compute nodes?
[18:24:45] <Gurpartap> Or can it be utilized for deployed virtual machine as well?
[18:25:21] <Sachiru> Aww. Does it really need to have EPT?
[18:25:40] <Sachiru> @Gurpartap we were just talking about virtualization via KVM on SmartOS.
[18:25:50] <jperkin> the smartos implementation really needs EPT
[18:26:15] <Sachiru> Ah crap.
[18:26:42] <rmustacc> You wouldn't want to be doing the virtualization without it.
[18:26:56] <rmustacc> Your perf is pretty terrible without nexsted page tables.
[18:27:08] <Triskelios> Gurpartap: your question is pretty vague
[18:27:14] <rmustacc> Gurpartap: I'm not sure what you're asking, can you clarify?
[18:28:01] <Gurpartap> Is SmartOS supposed to run directly on the hardware or in a virtualized environment or both?
[18:28:01] <Sachiru> And I don't need to worry, since the Celeron I linked to has EPT. YAY!
[18:28:17] <Gurpartap> Triskelios, rmustacc ^
[18:28:25] <rmustacc> Gurpartap: We prefer to be what's on your hardware.
[18:28:30] <rmustacc> But it'll work fine virtualized.
[18:28:32] <Sachiru> @Gurpartarp SmartOS is supposed to run directly on hardware, serving as virtualization host.
[18:28:45] <Sachiru> Although, why virtualize an OS as great as SmartOS?
[18:28:53] <jeffpc> and it does a very fine job at that
[18:28:57] <rmustacc> You'll still get zones and observability, just not our KVM implementation.
[18:29:03] * jeffpc is very happy with his current setup
[18:29:21] <Gurpartap> i see
[18:30:42] <Gurpartap> So the appliances available with joyent aren't virtual smartos instances?
[18:31:09] <rmustacc> Hmm?
[18:31:11] * Gurpartap has beginner's hesitation
[18:31:14] <rmustacc> Which appliances?
[18:31:25] <Gurpartap> http://www.joyent.com/products/joyent-cloud/appliances/
[18:31:48] <rmustacc> trentster1: Still around?
[18:31:54] <rmustacc> trentster1: http://fingolfin.org/tmp/nicstat
[18:32:11] <e^ipi> Gurpartap: they're zone images. OS-level virtualization
[18:32:28] <rmustacc> Though not all of those are available outside of the Joyent Cloud.
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[18:33:06] <Gurpartap> e^ipi: i see. these zone images being powered by _____ ? (smartos?)
[18:33:17] <Triskelios> Gurpartap: everything runs on SmartOS
[18:33:50] <e^ipi> Gurpartap: yes.
[18:34:16] <Gurpartap> So smartos (on the hardware) hosts smartos (again) as virtual instances at joyent, to summarize
[18:34:18] <Gurpartap> ah
[18:34:22] <e^ipi> unlike a hardware virtualized instance, those ones *must* be powered by the OS they're built for ( smarts )
[18:34:57] <e^ipi> the way zones work is more that user land processes are tagged & partitioned, rather than running a whole other OS on top of the one you've already got
[18:35:04] <Triskelios> Gurpartap: they're not KVM guests, but native zones
[18:35:19] * Gurpartap raises eyebrows
[18:36:05] <Gurpartap> i see
[18:36:16] * Gurpartap opens wiki
[18:36:42] <Triskelios> zones are a fundamental illumos tech that allows isolation and resource control without virtualisation overhead
[18:36:53] <Sachiru> Quick query: are there any plans to port KVM functionality to AMD processors at all? Even in the far future?
[18:37:16] <e^ipi> LeftWing is working on it, on and off
[18:37:33] <Sachiru> Or are you all committed to implementing your flavor of KVM strictly on Intel? Also, how much of a performance hit would it be to use zones instead of the special KVM?
[18:38:10] <e^ipi> Sachiru: the question makes no sense, zones and kvm are orthogonal technologies
[18:38:39] <Sachiru> Oh, okay.
[18:38:39] <e^ipi> if you can run your application in a zone, do
[18:38:49] <e^ipi> you'll get a significant performance boost, as well as observability, etc
[18:39:02] <e^ipi> zones are far superior to hardware virtualization
[18:39:16] <Triskelios> Sachiru: as has been mentioned, AMD support is already underway by the community
[18:39:23] <Sachiru> Ah, cool.
[18:39:30] <Triskelios> (and last I checked, works correctly on many systems)
[18:39:42] <Sachiru> So for the web servers and email and other stuff, it is recommended to use zones.
[18:39:51] <e^ipi> Sachiru: yes, when possible
[18:39:52] <Sachiru> Just need to do KVM for the domain controller virtual guests.
[18:40:14] <e^ipi> Triskelios: it didn't even boot on my weird amd box, but Canada Post solved that problem by dumping it in to the Pacific it seems
[18:40:44] <Sachiru> Does running it in a zone still have the "5x faster than bare metal for i/o compared to linux/windows" feature?
[18:40:58] <jeffpc> I have an AMD box that ends up panicing when I try to run kvm
[18:41:33] <e^ipi> Sachiru: i have no idea what that could be referring to… possibly ZFS I guess, so yeah...
[18:42:23] <Triskelios> uh, creative marketing
[18:46:12] <rmustacc> Sachiru: Joyent itself will not be doing AMD support. Intel is an investor.
[18:46:18] <rmustacc> We only run on Intel processors.
[18:46:40] <rmustacc> Sachiru: As for that claim, basically its referring to the ZFS ARC, so yes.
[18:46:56] <Sachiru> Oh okay, thanks!
[18:49:05] <rmustacc> Not that it really means much.
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[18:57:06] <Gurpartap> Is there anything that limits SmartOS from being installed on EC2 instances?
[18:57:34] <rmustacc> You'd have to get the Xen client working again.
[18:58:19] <e^ipi> that's an exercise in banging your head against the table...
[18:58:26] <e^ipi> i burned like, a week trying to get it booting
[19:01:33] <Gurpartap> hah ok
[19:02:31] <e^ipi> and I actually understand how the thing is put together. I can only imagine someone trying to learn how to build a xen boot archive from first principles
[19:02:48] <Gurpartap> :)
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[19:56:55] <modcloth_wookiee> trentster1: You're most welcome. Please feel free to fork/contribute. Using Librarian with Chef will make dealing with open-source 3rd-party cookbooks a lot easier, too.
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[20:35:45] <kfr> once booted does smartos require the bootcd?
[20:36:01] <nahamu> kfr: only to boot the next time
[20:36:09] <kfr> can I eject it and use it in another server
[20:36:16] <nahamu> yup
[20:36:34] <kfr> good
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   July 25, 2012  
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