#arpnetworks 2009-09-17,Thu

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WhoWhatWhen
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cableheadup_the_irons: i spoke to joel about it, he said unless there was something in it for slide, it was unlikely they'd peer
up_the_irons: pretty lame :(
up_the_irons: he mentioned something about a communal hub everyone can just plug into?
[09:20]
mhoranup_the_irons: Are you in on the ANy2 exchange?
Ah, yes you are. :)
So did Coresite rename Wilshire Annex to 900 N. Alameda when they rebranded?
[09:29]
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up_the_ironscablehead: lame :( the communal hub he talked about is probably the Any2Easy exchange, a way to make peering automatic, but is not always ideal b/c you pick up everyone, or no one. Think auto-config vs. manual config. some people (including myself) are not always comfortable w/ peering indescriminatenly like that
cablehead: I'm part of Any2Easy as well, but I prefer direct peer if possible. but if he won't do it, oh well
mhoran: yeah, i'm on Any2 :)
[11:26]
cableheadup_the_irons: yeah really lame :( [11:27]
up_the_ironsmhoran: i believe 900 n. alameda is still known as wilshire annex [11:27]
mhoranup_the_irons: I just can't find any reference to it on their site anymore. But searching for the annex brings up the page. [11:30]
up_the_ironsfunny [11:32]
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[11:44]
up_the_ironsmhoran: they probably want everything to be known as "coresite" now, and the different locations are just different locations (they don't have individual names anymore). that's what i would think [11:48]
mhoranYeah. [11:48]
up_the_ironsNetwork Next Hop Metric LocPrf Weight Path
* 208.76.68.0/22 206.223.143.103 0 189 0 13949 i
*> 206.223.143.103 0 190 0 13949 i
* 208.87.172.0/22 206.223.143.103 0 189 0 13949 i
*> 206.223.143.103 0 190 0 13949 i
s1.lax#
cablehead: ^^ looks like I get Slide's routes through Any2Easy anyway. not ideal, but better 'n nothing :)
cablehead: ping slide.com from your VPS, you'll probably be quite impressed with the ping time ;)
[11:53]
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Thorgrimrdate [15:48]
up_the_ironsfail [15:49]
ThorgrimrDamn, no takers [15:49]
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up_the_ironsnew blood!
mxmasster: welcome to #arpnetworks
[16:17]
mxmassterhey Gary
reading your twitter
[16:17]
up_the_ironshaha
cool
[16:17]
mxmassterfigured I'd join and say hi [16:17]
up_the_ironshi :) [16:17]
mxmassterhear back from nasa? [16:18]
up_the_ironsno :( [16:19]
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bobbywhey guys [20:15]
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bobbywanyone active here? [20:42]
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ballenwhat up [21:13]
jeevput the money in the bag [21:19]
ballenwhat bag in where now [21:20]
jeevput your monies in my bag [21:20]
ballen[FBI]: off [21:21]
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[21:21]
jeevnot really [21:23]
ballenthen don't download it
see if I care
[21:23]
jeevi'll exploit that mp3
and put rap on it
[21:24]
ballenyou're going to exploit a rapper ? [21:24]
jeevno
i'll haxor that mp3
and overwrite it with gunit and mozart remix
[21:24]
ballen;-)
quite a bit of rap in it actually, just remixed
[21:25]
mike-burnsIs Gunit a GNU unit testing tool?
I know that Mozart is an implementation of the Oz programming language.
[21:25]
ballenor a gnu wanker [21:25]
jeevhttp://www.theregister.co.uk/2009/09/15/killer_robot_killed_by_fighter_jet/ [21:26]
ballen14 hellfires, bitchin [21:27]
mike-burnsThat's quite close to Dr. Strangelove. [21:28]
ballensomeday... someday [21:29]
mike-burnsIt's a step in the right direction. Or wrong, or whatever. [21:29]
ballenreminds me of some cheesy sci-fi flick
this killer-robot fucked some serious shit up though
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[21:48]
bobbywis there an arp rep here? [21:49]
jeevhe should be by soon
anything we could help you with ?
[21:49]
bobbyweh, thinking about switching from linode [21:49]
jeevi've only heard about em, never tried [21:49]
ballenI switched from Slicehost and haven't looked back [21:50]
bobbywactually slicehost, yeah I've used about every vps service [21:50]
ballenbut then again I'm very pro FreeBSD and was gritting my teeth using Linux [21:50]
bobbywyeah, I think deep down I prefer freebsd
philosophically
[21:51]
jeevyea i prefer bsd too but
not on a vps
[21:51]
bobbywwhy not? [21:51]
balleneveryone deep down prefers FreeBSD
they just don't know it
[21:51]
bobbywlol
yeah
[21:51]
jeevon vps? eh
i dunno, building world
just think it'd be too slow
[21:51]
ballenwho really needs to build world
these days at least
[21:51]
jeevI DO! [21:51]
ballenno you don't
why
do you
need
to
build WORLD
[21:51]
bobbywlinux is really a hot mess from all angles [21:52]
jeevcause
I'M
DEAD
SEXY
bobbyw, need any info about arp?
[21:52]
ballenthat you are, anywho [21:52]
bobbywjeev, what is the uptime guarantee? [21:53]
ballenthats a good question for up_the_irons [21:53]
bobbywok
I'll come back another time
[21:53]
ballenits a small operation [21:54]
bobbywI have about a month
ballen, that's what worries me
small ops usually means more downtime
[21:54]
ballenyea... depends on how critical your VPS's are
and how much you want to pay for uptime, vs value of ARP
[21:54]
bobbywyeah, definitely a trade-off, I am just curious more than anything
not super anal about it
[21:55]
ballenright
I know he's working on a DRBD solution
[21:55]
bobbywdrbd? [21:55]
ballenwhich mirrors VMs to another box [21:55]
bobbywah [21:55]
jeevhmm good question [21:56]
ballendistributed ... block device [21:56]
jeevi dunno [21:56]
ballenso basically if there was a need to take down a box the downtime would be the time of a restart [21:56]
jeevonly downtime ive had this month was the planned upgrade
45 minutes at night
[21:56]
bobbywyeah that's cool, and I am used to that [21:57]
ballenyea Garry has a 41 minute hw upgrade this month
had*
and I think one requires restart for kernel upgraded
required*
that might of been last month
though
the kernel that is
[21:57]
bobbywthanks for the info guys, I'm out for now, I will come back another time to chat with one of the arp dudes [21:57]
ballenmmk [21:58]
jeevtry back in an hour
;D
[21:58]
ballenyea he's usually around late [21:58]
bobbywah ok
later
[21:58]
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ballenpeace [21:58]
jeevi just showered
why do my nadz smell
[21:58]
ballenjesus [21:58]
jeevmy friends box got hax0red today
cause he was running comusthumbs.com
php hax0r
everything has <script> viriI in it
[21:58]
ballennice
my brain is freaking mush right now
so freaking annoying
so much writting of the thesis
[21:59]
jeevi need to rest [22:02]
ballenlikewise [22:02]
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up_the_ironsomg, u guys been chattin'
up_the_irons reads scrollback
[22:42]
ballen: fyi, the DRBD solution, once finalized, would allow me to take down a box with *zero* VPS downtime; the VMs would be live migrated to another box. I've got all this working except for the "live" part ;) for some reason the emulation doesn't take on the target host. So right now, it requires a VM halt / boot (still a lot less downtime) [22:50]
ballenhows the live migration part actually work
as far as memory... network connection hand off
etc so forth
[22:52]
up_the_ironsballen: memory image is transferred; while the transfer is happening, dirty pages are marked (pages written to since the start of transfer); after transfer, emulation is halted and dirty pages are transferred (very quickly b/c there are a lot less of 'em), emulation is restarted on target. An ARP broadcast is sent to tell switches / routers of the new location of the IPs bounds to the VM
interfaces
that's about the jist of it
[22:55]
ballencurious, do your two test servers that you're trying to live migrate have identical hardware? [22:55]
up_the_ironsballen: almost [22:55]
ballensame CPUs? [22:55]
up_the_ironsballen: yeah [22:55]
ballenhmm
so is live migration something out in a wild with KVM, or you're own doing
[22:55]
up_the_ironsballen: http://www.linux-kvm.org/page/Migration
ballen: all KVM/QEMU
[22:57]
ballenneato [22:57]
up_the_ironssupposedly this support has been around for a while and people have reported a lot of success
so i'm surprised it is not working for me
[22:57]
ballenwhats it currentl failing on
btw having live migration will kick the shit out of Slicehost, et. al
[22:59]
up_the_ironsballen: yeah i know, which is why i want it :)
ballen: on the target, after the migration has finished, I get tons of this in syslog:
emulation failed (pagetable) rip ffffffff807b6dbe ff ff 08 00
[23:00]
ballendo you by chance have another box to test as a target [23:03]
obsidiethcan someone
download and dcc me a file
[23:04]
up_the_ironsnot really, that's the thing... [23:04]
obsidiethmy internet is capped and it keeps stalling [23:04]
jeevheh [23:04]
ballendoes this file happen to be located at some internal NASA website? [23:04]
obsidiethits on some russia rapidshare
its a gnome theme that i really want :(
[23:05]
up_the_ironsi may just need to update my kvm / qemu packages, but that's something I don't take lightly
given the current kvm / qemu have been running really damn well :)
NASA never got back to me
[23:05]
jeevvps's are the future eh [23:05]
up_the_irons<sniff> [23:05]
obsidiethhttp://www.sharemania.ru/0133756 [23:05]
jeevi dont think future for single customers
i think future for corps and businesses, even present i guess
[23:05]
ballenup_the_irons: yea I was gonna say may want to try upgrading [23:06]
up_the_ironsballen: yeah, that's really the next logical step [23:06]
ballenhttp://sourceforge.net/tracker/index.php?func=detail&aid=2778112&group_id=180599&atid=893831
not much of resolution, but similar errors
also: http://sourceforge.net/tracker/index.php?func=detail&aid=1852938&group_id=180599&atid=893831
here we go: http://sourceforge.net/tracker/index.php?func=detail&aid=2804562&group_id=180599&atid=893831
[23:08]
up_the_ironsthe 2nd one is quite old
oh
[23:10]
ballenyour KVM versions newer than that bug fix?
July 01
[23:11]
up_the_ironsi don't get "load of migration failed" though
i'm on qemu 0.10 and kvm-84
[23:11]
ballenhmm
I assume both source and target are 64 bit systems?
[23:12]
up_the_ironsyep [23:15]
ballennot trying to install Windows 98 are you?
;-)
[23:16]
jeevup_the_irons, you had a possible client in here a bit ago [23:17]
up_the_ironsballen: hahahah, no
jeev: yeah, I saw in the scrollbabck
he'll be back it seems
i should try the migration with: -no-kvm-irqchip or -no-kvm-pit
[23:17]
ballenhttps://bugzilla.redhat.com/show_bug.cgi?id=508801
what kernel are you using
[23:19]
up_the_irons2.6.28-15
everything just keeps pointing to "this was fixed in this commit", which is newer than what I have ;)
[23:22]
ballenheh
http://patchwork.kernel.org/patch/18599/
[23:23]
up_the_ironsi need to build me another test box [23:33]
ballenalso check commit: 323d3b06db8bf2d8e4c5ed1a390668ae7b1b84bf
heres the diff for that commit http://pastie.org/621423
was mentioned somewhere
looks like it touches "Cannot emulate" error message
this all looks related to the patch: http://osdir.com/ml/emulators.kvm.scm/2007-09/msg00135.html
so moral of the story.... upgrade
[23:34]
up_the_ironsyup, upgrade :) [23:38]
ballencurious are you having the VM directly use the DRBD device or a file on the DRBD for a disk [23:40]
up_the_ironsballen: DRBD volume is defined that the VM uses directly; the backing store for the DRBD volume is an LVM volume [23:45]
ballencool
figured
[23:45]
up_the_ironsbasically DRBD keeps /dev/vol1/foo in sync on hostA and hostB [23:45]
ballenyea I know
just seeing how you were doing it
http://www.convirture.com/products.html
interesting product
free
[23:46]
up_the_ironsi really shy away from products that force the GUI
GUIs can't be scripted, and I don't wanna monkey click all day
;)
[23:48]
ballenyea just looking at it for VMware center replacement type ideas
VCenter*
[23:49]
up_the_ironsi c
I use libvirt
(command line), but there are GUI tools built on top of it if you need that
like, virt-manager, i believe
[23:49]
ballenyea
in your test bed, Intel or AMD cpus?
[23:52]
up_the_ironsIntel [23:53]
ballenah damn
http://patchwork.kernel.org/patch/43611/
AMD patch
[23:53]
up_the_ironsup_the_irons is building a FreeBSD kernel
i c
anyone know how long it takes to build a GENERIC kernel, typically?
[23:54]
ballen10-15?
minutes
depending on hardware
http://feanor.sssup.it/~fabio/freebsd/lkvm/
anyone actually try KVM running on FreeBSD
[23:57]
up_the_ironsnot at all [23:58]
ballenbleh wish more effort would go into virt using BSD [23:59]
up_the_ironsyeah, it's lacking [23:59]

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