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Everything posted by oxide54
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do you have wsus? and is the patch approved, is wsus working the patch number is earlier in the thread. and no you can't rely on bill gates or m$ you need antivirus software, i'm using trend and its very good we basically didn't have any problems on any machines with trend installed, it only appeared to because they were actually catching the virus as soon as it was dropped on the machine no it ressurects itself from someone bringing itself in again on a memory stick (and that point of entry not being secure, ie. pants antivirus and not patched) or not all machines being cleaned in the first place.
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i had it pop back up last week, first indication was that machines with av installed where poping up with alerts saying that the av had detected the virus dropped in the system 32 folder. okay first thing i did was ensure account lockout was turned on, (default domain policy/security settings/account something settings) watch the domain controller logs for account lockout events, they tell you which machine is causing the lockout, if there are 100's from the same machine and its 3am you can be pretty sure its conficker. so most of my machines were protected they had the ms patch installed and av installed and the av was catching it on being dropped on those machines, i just had actually two machines one was an old laptop that had probably been at someones house for ages and the second was a test machine someone had setup and not installed av on, so i basically just nuked them by deleting hal.dll and ntoskrnl.exe via the admin share and shutdown -f -r -t 0 -m \\COMPUTER i'm pretty sure the laptop got brought in and then infected the second machine. any technicians no longer have domain admin rights, spent a lot of time delegating very specific permissions after this as the test machine was left logged in as an admin.
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TSC and level 3 did the trick
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system-view (not being pedantic, just help jack_
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does it need the servicetype mask changed? or does none mean all enabled?
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i've looked at this with him and can't figure out why the web interface won't let him login, i have a 5500G-EI and all i remember is having to set the IP and bam i was in via the web interface. fwiw the web interface is okay on those switches, i use it to configure mine, i agree the cli is ridiculous on that switch. i'm thinking you may have to enable the web interface somewhere. i'm sure all i did on mine was add vlan-interface ip address (ish..)
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I'm glad they've kept the best aspect of SCCM in the new version, ....... that its a PITA!
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Hi, is there a way to customize the individual terminal screens on linux. basically like esxi does. so what i want is linux boots up (no gui installed) and ctrl+alt+f1 is normal terminal login screen, but ctrl+alt+f4 for example gives me top running. if someone can just name the config file / script i'll know what to google for.
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which company?
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okay thanks, hows the "service" as in the quality of tinternet connection itself?
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Hi Whose moved away from the LA, please recommend or (curse) your new ISP. More interested in level of service than price here btw. (and please no patronising explanations of how the internet or a router works, or that I will need to implement filtering)
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maybe why your not seeing any performance problems with lun locking???
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Host VMOTION would benefit from reducing LUN locking, Storage VMotion would benefit from the SAN copying as well. Snapshots lock the LUN every 16mb of growth. not sure on thin provsioned . i think the last item they listed is related to thin provisoned disks. for me the SAN to SAN copy is the reason. also reduces CPU load on the ESX box as well. its also not so much about speeding up provisoning a VM for the administrator, but not degrading the users performance as a result.
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Storage VMotion, Provisioning new VM's from templates. Snapshots. These are some examples of VMFS operations that require locking metadata: From VMware KB: Analyzing SCSI Reservation conflicts on VMware Infrastructure 3.x and vSphere 4.x Creating a VMFS datastore Expanding a VMFS datastore onto additional extents Powering on a virtual machine Acquiring a lock on a file Creating or deleting a file Creating a template Deploying a virtual machine from a template Creating a new virtual machine Migrating a virtual machine with VMotion Growing a file, for example, a Snapshot file or a thin provisioned Virtual Disk Any software that updates itself regularly, particularly system utilities like antivirus programs and operating system updates. (**** SERIOUSLY ????? WHERE???) ---------------
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VAAI not about VMWare deciding where VM's go, it offloads SAN to SAN copies directly to the SAN to avoid copying SAN to ESX then ESX to SAN when it could just go SAN to SAN. Plus not locking the LUN when a SCSI reservation would normally lock the LUN but doing it at a block level. this is a pretty good explanation What is VAAI
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@Dave_O what raid level are you running ? 10?
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Yes, but not with VAAI
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you want to be careful of scsi reservations creating one big lun. its a double edged sword, hudge vdisk/arrays/etc will give you loads of IOPs because of the spindle count, but you don't want something I/O heavy swamping the rest of your stuff. def agree probably not worth raw device mapping. personally i disagree over the performance thing (really depends what you have running), I do agree you don't need stupidly expensive ssd's though. oh and get vmware and a san that supports VAAI ----------------- started perfmon'ing the VM's IOPS this week so far today the staff file server gets the most hits, be interesting to see how it pans out by the end of the week.
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okay found it. ocsetup NetFx2-ServerCore-WOW64
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anyone help. i'm trying to get some C# apps I wrote to run on server core, there is .net 4 for server core now Download: Microsoft .NET Framework 4 (Standalone Installer) for Server Core - Microsoft Download Center - Download Details to rule out any silly dependencies i've even tried a blank c# project and even that won't work using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Test { class Program { static void Main(string[] args) { Console.WriteLine("Work FFS!"); } } } the project is set to console app / target .net client profile
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excellent answer, I personally do think the SQL is an issue but only with SIMS some of the queries do take a long time to execute running certain types of reports. I will be replacing the san in the next year, partly performance related and partly capacity but also for the benefits the warranty brings as replacement disks get expensive when a product is end of life, and once those disks have been spinning 24/7 for a few years you begin to question how much longer they will last, we haven't seen any failures on the SAN itself but have on both NAS devices of the same age from the same vendor ... but I won't be replacing the SAN now to cure a performance bottleneck if it can resolved by reconfiguration. I'm currently shrinking all the VM's to the smallest size possible (with some breathing space) so as to enable some LUN re-jiggery.
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I could well imagine compressed would outperform uncompressed if done properly, ghosting was always quicker using fast compression if the disk layer/cpu was quicker than the network
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VMware...can someone help me understand?
oxide54 replied to CHiLL's topic in Thin Client and Virtual Machines
any questions fire away m8, beening running it for a good few years now. if you new to it, be very careful of snapshots, 1. performance degradation and running out of disk spaces, just google it if you need more, (other people half already explained it better than I will) -
okay, i already have a 5 node vmware cluster hooked up to SAN, i was specifically more meaning how to carve the SAN for best (better than now) performance,
