The Comms Room - 2013-05-26 (page 2 of 2)

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5:01 PM

To me Windows 8 didn't feel quite right without a touchscreen. With a touchscreen it makes more sense, but not sure I'd want that on a desktop. It is very keyboard friendly, especially when you get used to a few new shortcut keys. Shutting down is full retarded though. Plenty of cool little features though, like ISO mounting (finally) and Hyper-V is neat. Upgrades to file copying, perfmon looks pretty, etc...

@Chopper3 I'd like to put 8 on my desktop although as I really can't use Metro without a touchscreen I'm waiting to see if 8.1 makes a start menu an option.

Ok, well this is only my gaming box so I'll stick with W7, I can always wipe and rebuild with 8.1 pretty easily - in fact the only pain in the arse with a rebuild is the redownloading of games via steam and origin but I have a nice internet link and can do the lot overnight

@Chopper3 I've made habit of backing up my steam library when I download a new game. My current steam library is 101GB and while by home internet is decent it would take a while to do all that.

@tombull89 call me dim but can you just do that? I didn't know? so you don't have to redownload them all?

@Chopper3 yes, just copy your C:\Program Files (x86)\Steam\steamapps folder to a different device, and you're done.

You might have to copy savegames from your documents as well.

To put them back, copy the games back, go to steam, and go to re-download them. Steam will see the files already exist and only download a couple of updates.

5:18 PM

@tombull89 no I look daft :)

@Chopper3 It's okay, I was like "whaaaat?!" when I first found out.

:)

I do my Origin folders too, although it's just BF3 in there.

I assumed it wouldn't just work

5:37 PM

@chopper3 I have a bunch of questions for you!

@ewwhite one sec, let me engage my brain first, 5 mins ok

Ha.

So @chopper3. My company is going to evaluate Violin memory.

oh yes, we use them, both direct and via the HP version

HP has a model?

Part number?

The main things I need to know are: downsides? Caveats? What would you use for a testing protocol?

5:55 PM

@ewwhite I'm not up on them yet, don't have all that sort of tools to hand, been months since I fired up my work laptop in fact

We will be using. 10gbe iSCSI model.

h71028.www7.hp.com/enterprise/us/en/solutions/…

hang about, might have linked to the wrong ones, one sec

ah - that's why, they've ended their relationship while I was ill - ah well

shows how out of date I am

No worries.

Any feedback?

6:16 PM

what? on the violin stuff? it's great, not cheap but it got me out of a hole a stupid dba team dropped me in

Any downsides to violin?

it was one of those DBs that was of a size too big to be reasonably memory mapped, it was clustered so needed to be LUN based and had a mix of very high activity r/w to a small portion with periodic but very complex and time dependant reporting across 90% of the db

just the cash and another management interface - same as usual

We will be able to resell luns

So cost is less of an issue.

6:41 PM

@chopper3 I'm bing asked to find a way to test said Violin unit.

Did I just say Bing?

6:56 PM

Fuck, SEO consultants bill at $400/hr? I'm in the wrong fucking business

@MDMarra I'm setting up discourse

7:12 PM

How is it!

The setup is quite rough around the edges

Manually patching files.

Why didn't you just use the RPM installer?

7:52 PM

hello friends

Dennis Kaarsemaker

8:11 PM

user image

My cat wants to be a parrot.

My cat is just an asshole

8:38 PM

@ewwhite Link?

9:12 PM

@JoelESalas link.to/vxcfer

Michael Hampton

@ewwhite NXDOMAIN

gulp

Michael Hampton

Gonna go register that domain real fast...

I swear that used to be a domain

Michael Hampton

$ whois link.to
[Querying whois.tonic.to]
[whois.tonic.to]
Tonic whoisd V1.1
link no_dns

9:16 PM

It's like a girl (or Ke$ha) giving you a fake number at the club.

@ewwhite It happens more often than you care to admit?

She said that it wasn't me.. that it was her...

Michael Hampton

rejectionhotline.com

9:46 PM

0

A: Is there a reliability difference between 2.5" and 3.5" HDDs?

Coming from someone who works on computers regularly I would say in my opinion 2.5" drives are crap. They most generally cost more for the same GB and in my experience fail at, at least 3x the rate of the 3.5" drives. Just as an example I have a WD Blue 2.5" not even 1 year old that was never eve...

Michael Hampton

Hasty generalization

Hasty generalization is an informal fallacy of faulty generalization by reaching an inductive generalization based on insufficient evidence essentially making a hasty conclusion without considering all of the variables. In statistics, it may involve basing broad conclusions regarding the statistics of a survey from a small sample group that fails to sufficiently represent an entire population. Its opposite fallacy is called slothful induction, or denying a reasonable conclusion of an inductive argument (e.g. "it was just a coincidence"). Examples :) Hasty generalization usually shows t...

@MichaelHampton But I work with computers regularly!!! And TORRENTS!!

10:10 PM

Its monday morning and for the first time in a long time nothing exploded over the weekend and I've been here for an hour (it's 8.10am) and still the only one in the office

I'm not sure what I should be doing...

Been a long time since I had nothing to do

@MarkHenderson Research ZFS and Nexenta.

@ewwhite Well I was going to run around rubbing my balls on everything, but I guess that's also an alternative

ewww, scrotum juice.

I have a test nexenta system vm's sitting on a staging server somewhere

@ewwhite Dude, if your scrotum excretes juice I thnik you need to go to the doctor

:(

10:23 PM

Or, you could make a million dollars bottling your scrotum juice and selling it as a health tonic to obese rich women

Annnnnnnnd no wonder there's not many women who work in IT

basically.

10:50 PM

@MDMarra crazy man, what have you done?

@syneticon-dj You feel warm and fuzzy, don't you?

Which 100+ User Virtualization Solution Should I Use?

@ewwhite nah, tipsy. It's been my second glass of wine tonight.

And then I visit SF and see my rep score magically increased.

@syneticon-dj that's the magic of rep-whoring.

This is a presentation I've never seen before - "vSphere eSXI vSphere 5.1"

Michael Hampton

Rep whoring? I should try that sometime.

@ewwhite Heh, yeah. The "short route to host" thing in there is a bit of a red flag too.

11:03 PM

@ShaneMadden I've finally corrected myself from typing "VMWare"... so seeing "eSXI" made me chuckle.

@ShaneMadden Shortest route!

@ewwhite Slashdot is for old men

@JoelESalas Awww... it's been my first homepage for ~11 years

that's sad

Never got into reddit or twitter or anything?

@JoelESalas I use twitter... Used to use it to stalk girls... now I have a few followers.

Reddit, I've used thrice...

@keshasuxx

LAZERBEAMZ

3.9k tweets, 3388k followers, following 549 users

11:18 PM

@JoelESalas been there, done that.

Makes total sense, right?

user image

VMware vCenter Operations is information overload.

Have you used it @ShaneMadden?

@ewwhite Nah, not really.

@ShaneMadden But it's oh-so-good...

@ewwhite Can't tell if sarcasm ;)

It is.

it's crazy, has it's own metrics... but really gives a nice way to drill down into VMware performance problems.

Nice. I noticed that it's installing by default now in these 5.1 installs, I'll have to check it out.

11:34 PM

it's worth it.

the version with 5.1 is basic. A license unleashes some crazy features.

@ShaneMadden thanks for answering that. I couldn't find a way to say "stupid design - that's not how vSwitches work"

@ewwhite Ahh yeah. We're on service provider licensing so I'm sure we've got keys for a marginal monthly fee, heh.

@ewwhite Yeah.. or how switching at all works for that matter, lol

aww, you're not going to link the stupid?

This one:

1

Q: VM Host Physical Nics - one switch or multiple?

We are currently trying to rearrange our network for performance. Having already begun to solve the issue that our network diagram looked like a straight line, I am now looking at the 4 nics for the virtual host. As they currently are, 3 of the nics go to one switch, and one to another - but I g...

networking vmware-esxi vmware-vsphere

^^

@ShaneMadden We're VSPP, too... it's still costing us a bit

but it dumps a nice health badge on your vSphere web client

11:39 PM

lol, why does nobody understand subnetting and routing and its purpose.

user image

@ewwhite That's pretty cool.

And the drill-down gives a heat map...

user image

I used to administer a technical test at job[-1] for candidates for a top-tier support team... the test involved noticing that two hosts weren't in the same subnet because one of them had the wrong netmask (I didn't even make them renumber all the way). The failure rate of this question was well over 75%.

So when management says, "how many more VMs can we fit onto this system?"

11:43 PM

@ewwhite the only answer to that question is 0 ;)

@FalconMomot or if you look at the image above, 162 more VMs.

@ewwhite Hehe, oversized VMs statistic, awesome. Got a request this week to increase a VM's allocation from 8GB to 64GB. It was only using 5 of its 8.

@ShaneMadden oversized and undersized are tracked...

those are cool stats.

Oversized VMs...

11:46 PM

of course, in my experience with vmware, the only hosts that will be larger than the one collecting them will be exchange servers. :)

user image

Hopefully dc1 is running like... server 2003

Heh, recommended 128MB

dc1 is Win 2008

I once had to do a demonstration to get around some IT boss demanding I use max 128GB for 2008R2 DCs

it took about 15 minutes waiting for it to finish booting before he let it alone.

s/GB/MB/

11:48 PM

@FalconMomot But back in my day!!

exactly.

Halp ASA gurus!

0

Q: Routing via Cisco ASA is changing TCP sequence numbers

Our network has a dedicated VPN appliance that sits inside the office network. We have a Cisco ASA with a static route that routes the VPN subnets to the VPN appliance. So a typical request from the client to the remote site (192.168.161.28 -> 192.168.101.28) goes: Client ASA ...

routing cisco-asa

user image

@MarkHenderson What protocol? Inspect rules sounds like a good hunch to me too.

@ShaneMadden CIFS in this case

But same story for HTTP/HTTPS

I suspect it's because the route in route is different to the return route

Because the route route will be going straight from the VPN endpoint back to the client, rather than travelling via the ASA

11:55 PM

@MarkHenderson Are you sure it's the sequence number?

@ShaneMadden Status: A TCP packet was rejected because it has an invalid sequence number or an invalid acknowledgement number

So it could be an invalid ACK number too

@MarkHenderson I'd do a packet capture just to be sure - what's throwing that error message, do you trust it to be completely accurate? Could potentially be something else getting screwed up by the asymmetric route - NAT maybe?

@ShaneMadden Yeah I'm actually running the wiresharks right now

I'm considering throwing out a GPO to just do static routes, this could be more trouble than its worth as it's only a small office

But that has a pretty nasty smell to it

@MarkHenderson Yeah, that's ugly.

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