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  • RAW Device mappings

    - by Setesh
    I am new to ESXi, I am going to be using a hard disk attached to my VM with Raw device mappings that connects back to our SAN. What are the recommended options to choose? Where to store the LUN mappings, on the VM or with the Datastore? What compatibility mode to use physical or virtual? We are going to be using this for database server in our dev environment.

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  • Computer suddenly dies; screen displays weird flickering lines, then restarts

    - by Imray
    I've been having this terrible problem for a little while and just managed to get a picture of 'dead screen' for the first time and I am posting it to seek help. Randomly, at irregular intervals (typically once a week), while working on something (it's been different things every time) my computer will just suddenly go dead - the screen turns to exactly the picture below (the lines flicker a little bit), it hangs there for a few seconds and then restarts. Obviously this is extremely frustrating and I want to try to stop it. I've searched numerous postings with similar keywords but nothing exactly the same as mine. Does anyone have any idea what might be the cause of this? I would post all my system settings and installed programs but the list is long and I don't know how much relevance each item would be. If you'd like to know something specific, please comment and I'll let you know whatever you need. SPECS C:\Users\Imray>systeminfo Host Name: Imray OS Name: Microsoft Windows 7 Professional OS Version: 6.1.7600 N/A Build 7600 OS Manufacturer: Microsoft Corporation OS Configuration: Standalone Workstation OS Build Type: Multiprocessor Free Registered Owner: Imray - Owner Registered Organization: Product ID: 00371-152-9333854-85895 Original Install Date: 06/09/1999, 5:45:21 PM System Boot Time: 22/03/2013, 8:58:18 AM System Manufacturer: Gateway System Model: DX4840 System Type: x64-based PC Processor(s): 1 Processor(s) Installed. [01]: Intel64 Family 6 Model 37 Stepping 2 GenuineIntel ~3201 Mhz BIOS Version: American Megatrends Inc. P01-A3 , 17/05/2010 Windows Directory: C:\Windows System Directory: C:\Windows\system32 Boot Device: \Device\HarddiskVolume2 System Locale: en-us;English (United States) Input Locale: en-us;English (United States) Time Zone: (UTC-05:00) Eastern Time (US & Canada) Total Physical Memory: 6,135 MB Available Physical Memory: 3,632 MB Virtual Memory: Max Size: 12,268 MB Virtual Memory: Available: 8,114 MB Virtual Memory: In Use: 4,154 MB Page File Location(s): C:\pagefile.sys Domain: WORKGROUP Logon Server: \\Imray-OWNER Hotfix(s): 4 Hotfix(s) Installed. [01]: KB971033 [02]: KB958559 [03]: KB977206 [04]: KB981889 Network Card(s): 2 NIC(s) Installed. [01]: 802.11n Wireless PCI Express Card LAN Adapter Connection Name: Wireless Network Connection DHCP Enabled: Yes DHCP Server: 192.168.2.1 IP address(es) [01]: 192.168.2.13 [02]: fe80::1df1:5399:6890:91f6 [02]: Microsoft Virtual WiFi Miniport Adapter Connection Name: Wireless Network Connection 2 DHCP Enabled: Yes DHCP Server: N/A IP address(es) Graphics Card Specs Name ATI Radeon HD 5570 PNP Device ID PCI\VEN_1002&DEV_68D9&SUBSYS_E142174B&REV_00\4&18A4B35E&0&0008 Adapter Type ATI display adapter (0x68D9), ATI Technologies Inc. compatible Adapter Description ATI Radeon HD 5570 Adapter RAM 1.00 GB (1,073,741,824 bytes) Installed Drivers atiu9p64 aticfx64 aticfx64 atiu9pag aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64 Driver Version 8.700.0.0 INF File oem1.inf (ati2mtag_Evergreen section) Color Planes Not Available Color Table Entries 4294967296 Resolution 1920 x 1080 x 59 hertz Bits/Pixel 32 Memory Address 0xD0000000-0xDFFFFFFF Memory Address 0xFBDE0000-0xFBDFFFFF I/O Port 0x0000D000-0x0000DFFF IRQ Channel IRQ 4294967293 I/O Port 0x000003B0-0x000003BB I/O Port 0x000003C0-0x000003DF Memory Address 0xA0000-0xBFFFF Driver c:\windows\system32\drivers\atikmpag.sys (8.14.1.6095, 181.00 KB (185,344 bytes), 06/09/1999 5:59 PM)

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  • Configuring Cisco 3800 ISR Router with two default gateways for different subnets

    - by c0ldhand
    I am trying to configure two physical interfaces on a Cisco router to act as two separate gateways for two different subnets: gigabitEthernet0/0 gw 10.10.10.10 255.255.0.0 for network 10.10.0.0 gigabitEthernet0/1 gw 10.15.10.10 255.255.0.0 for network 10.15.0.0 Should I be using rip version 2 routing or can I just use static routing to do this?. If you can provide an example for doing this, I would be very appreciative.

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  • Is there a peripheral that lets my computer monitor the connectivity of pairs of wires?

    - by raldi
    I've got a bunch of physical switches and circuits that act like switches (they're either connected to ground or they're just an open wire). Is there some sort of thing I can plug into my computer (ideally, via USB) that has a bunch of screw terminals, and I can attach wires to the screws and have the computer keep track of which circuits are closed and which are open? Bonus points if the device also lets the computer open and close switches, too. I don't even know what to google for.

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  • Data Center Design and Preferences

    - by Warner
    When either selecting a data center as a co-location facility or designing a new one from scratch, what would your ideal specification be? Fundamentally, diversified power sources, multiple ISPs, redundant generators, UPS, cooling, and physical security are all desireable. What are the additional key requirements that someone might not consider on the first pass? What are the functional details someone might not consider during the initial high level design?

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  • Do any good tools exist for restoring Windows 7 to its factory settings when a clean install isn't an option?

    - by JMK
    I am trying to restore a Windows 7 (Ultimate) PC to its factory settings manually, basically by uninstalling everything in the Add/Remove Programs dialogue box, deleting all personal files and running CCleaner. This is going to take a while. I can't do a clean install because I don't have physical access to the computer, do any good tools exist for restoring Windows 7 to its factory settings when a clean install isn't an option?

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  • How can I get the same SSID for multiple access points?

    - by krosenvold
    I need to upgrade my existing wireless infrastructure and this time I want 2 access points to cover my house, since I get blind spots no matter what with a single AP. I have physical cabling to my central network available for both access points. I would really like these two to interoperate seamlessly as a single SSID. How do I do this? What are the features that the new access points I'm buying would need to support?

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  • rdisk value in boot.ini maps to which disk?

    - by MA1
    Hi All Following are the contents of a sample boot.ini: [boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /NOEXECUTE=OPTIN /FASTDETECT multi(0)disk(0)rdisk(0)partition(2)\WINNT="Windows 2000 Professional" /fastdetect multi(0)disk(0)rdisk(1)partition(1)\WINDOWS="Microsoft Windows XP Home Edition" /NOEXECUTE=OPTIN /FASTDETECT rdisk value tells the physical disk number. so, if i have three hard disks say: /dev/sda /dev/sdb /dev/sdc than how to know which disk(/dev/sda or /dev/sdb or /dev/sdc) is rdisk(0) and which disk is rdisk(1) etc Regards,

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  • Simulate printers on AD network

    - by MikeyB
    I need to create an Active Directory lab that contains printers and test out various printer-related functionality (adding printers in AD, clients attaching to printers, printers, etc) Is there a good way to properly simulate printers on a network? Or does there need to be real physical printers somewhere that eventually are attached, even if no output comes out. How would you solve this problem?

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  • SBS 2008 Script to connect - disconnect backup disk?

    - by Ed Fries
    I want to be able to leave multiple external drives connected to an SBS 2008 server and select which drive is used as a target for the backup without physically connecting/disconnecting the drive. Windows doesn't support this and my testing confirms that if 2 drives are connected there is little to no rotation between the target drives, the backup will run to the last drive it used if it is connected. Anyone have a script that will disconnect and reconnect a physical drive? Thanks!

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  • Configuring an EH-WIC Card on Cisco 1941 Router

    - by Olanrewaju T
    I have a Cisco 1941 Router that has just two ports for Gigabit connection but wanted more so I got a four port Cisco EH-WIC Card and connected it to it. I have been trying to assign IP address to the port GigabitEtnernet 0/0/0 because I have a cable already connected to it whose device I want it facing the router directly because I dont want to NAT its address. I want to assign the physical address on the port. Kinldy help if you understand what I am saying. Regards

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  • Virtual Box for everyday use?

    - by Mark
    I was just thinking about how nice virtual machines are...and how even "rebooting" is less painful, because at the very least, you don't have to wait for your physical computer to turn off and on with all the mobo shannanigans at the start... so, what if I ran everything in a virtual machine? Then I wouldn't really need a primary OS, I just need something than can run VirtualBox or what have you. So what's the lightest weight OS I could install, that supports a good virtual machine?

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  • SQL Server suddenly using only a small portion of CPU.

    - by hermiod
    We've got a Windows 2008 R2 server running SQL Server 2008. All of a sudden, the SQLServer process is refusing to go above 20% CPU usage. As of last week, when running a heavy query against the db it would rise to 100% usage as I would expect. We've had this server for a while and it seems strange that it would just suddenly have this limit. This limit is causing our queries to take a lot longer than they normally would. No one has (knowingly at least) made any changes to the server configuration. After a bit of investigation, I discovered the sys.dm_os_sys_memory view. This shows 'available physical memory is high' bu at the same time the available physical memory is 339552kb where as the total is 4193848kb. It is worth noting that this is a virtual server running on vmware. Is there a setting somewhere with in SQL Server that sets the maximum CPU usage? I've found the settings in resource governor, although this is currently off as it always has been. We have recently started using Spotlight for SQL Server by Quest Software. It's playback database was located on this server for a short time this morning, I first noticed the problem shortly afterwards, although I hadn't been doing any queries prior to this so I don't know if this is the point at which the problem began, however the database was working as expected on Friday afternoon. The Windows log shows that the following settings were applied to the SpotlightPlaybackDatabase when it was created. 02/21/2011 08:45:02,spid60,Unknown,Setting database option TORN_PAGE_DETECTION to ON for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option MULTI_USER to ON for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option READ_WRITE to ON for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option AUTO_UPDATE_STATISTICS to ON for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option AUTO_CREATE_STATISTICS to ON for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option ANSI_WARNINGS to OFF for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option CONCAT_NULL_YIELDS_NULL to ON for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option RECOVERY to SIMPLE for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option QUOTED_IDENTIFIER to OFF for database SpotlightPlaybackDatabase. 02/21/2011 08:45:02,spid60,Unknown,Setting database option AUTO_CLOSE to OFF for database SpotlightPlaybackDatabase. Could any of these settings changes modified the settings applied to the whole server?

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  • Which hardware to VM ratio for Build-Server virtualization?

    - by Martin
    Let's start with saying that I'm a total noob wrt. to server virtualization. That is, I use VMs often during development, but they're simple desktop machine things for me. Now to my problem: We have two (physical) build servers, one master, one slave running Jenkins to do daily tasks and build (Visual C++ Builds) our release packages for our software. As such these machines are critical to our company, because we do lot's releases and without a controlled environment to create them, we can't ship fixes. (And currently there's no proper backup of these machines in place, because they do not hold any data as such - it just would be a major pain to setup them again should they go bust. (But setting up backup that I'd know would work in case of HW failure would even be more pain, so we have skipped that until now.)) Therefore (and for scaling purposes) we would like to go virtual with these machines. Outsourcing to the cloud is not an option, not at all, so we'll have to use on-premises hardware and VM hosts. Each Build-Server (master or slave) is a fully configured (installs, licenses, shares in case of the master, ...) Windows Server box. I would now ideally like to just convert the (two) existing physical nodes to VM images and run them. Later add more VM slave instances as clones of the existing ones. And here begin my questions: Should I go for one VM per one hardware-box or should I go for something where a single hardware runs multiple VMs? That would mean a single point of failure hardware wise and doesn't seem like a good idea ... or?? Since we're doing C++ compilation with Visual Studio, I assume that during a build the hardware (processor cores + disk) will be fully utilized, so going with more than one build-node per hardware doesn't seem to make much sense?? Wrt. to hardware options, does it make any difference which VM software we use (VMWare, MS, Virtualbox, ... ?) (We're using Windows exclusively for our builds.) Regarding budget: We have a normal small company (20 developers) budget for this. ;-) That is, if it's going to cost a few k$ it's going to cost. If it's free - the better. I strongly prefer solutions where there's no multi-k$ maintenance costs per year.

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  • How to get back to Lock Screen from Password screen in Microsoft Surface?

    - by GaTechThomas
    Similar to question, Can I bring the lock screen back after dismissing it? ('go back a screen' from password entry) How do I go back to the Lock Screen once I've gone to the password screen in Microsoft Surface tablet? This is a different mechanism from using the referenced question in that no physical keyboard is available. Alternately, can the timout on the password screen be shortened?

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  • Store ESX5 images on a NAS?

    - by Cylindric
    I have a basic NAS device (Buffallo LinkStation Duo) that can only present SMB fileshares to the network. For testing annd for getting a dying physical machine working I would like to store my VMDK on here. Is that possible, or will I have to find some way of presenting this as an iSCSI target of some sort? I've only used iSCSI or local storage in the past, but this isn't possible at the moment. Thanks.

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  • How to setup IIS subdomain pointing to folder on remote machine?

    - by zsharp
    Im trying to serve static content through a subdomain. The physical folder is shared on a second machine in the same local domain. How do I safely setup permissions on the shared folder so that when i do something like: src="subdomain.domain.com/Image1.png" I wont get access denied? IN IIS I have subdomain.domain.com as a separate website.

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  • Hotel like Wifi manager

    - by flpgdt
    Does anyone knows which are these systems that manages paid wifi networks and some hotels and airports? Even better, would anyone know a open/free project that would do or could be adapted to that end? The idea is simple, I want to let the network open at physical level so anyone can connect. After connected however, the clients would have access only to a specified page where they can logging in, and doing the necessary validations the router would allow these of those ports (or even everything) for his IP.

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  • DNS server setting resets on reboot

    - by Vaibhav Bajpai
    I recently changed my physical location, and had to change my DNS server setting in network preferences. However my Mac reverts back to original DNS server IP address on each reboot and I have to manually change it everytime. How can I make my changes persist on reboot? I am running Snow Leopard 10.6.7 UPDATE This is has started to occur since the time I restored my entire system from TM backup.

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  • How to store data on a machine whose power gets cut at random

    - by Sevas
    I have a virtual machine (Debian) running on a physical machine host. The virtual machine acts as a buffer for data that it frequently receives over the local network (the period for this data is 0.5s, so a fairly high throughput). Any data received is stored on the virtual machine and repeatedly forwarded to an external server over UDP. Once the external server acknowledges (over UDP) that it has received a data packet, the original data is deleted from the virtual machine and not sent to the external server again. The internet connection that connects the VM and the external server is unreliable, meaning it could be down for days at a time. The physical machine that hosts the VM gets its power cut several times per day at random. There is no way to tell when this is about to happen and it is not possible to add a UPS, a battery, or a similar solution to the system. Originally, the data was stored on a file-based HSQLDB database on the virtual machine. However, the frequent power cuts eventually cause the database script file to become corrupted (not at the file system level, i.e. it is readable, but HSQLDB can't make sense of it), which leads to my question: How should data be stored in an environment where power cuts can and do happen frequently? One option I can think of is using flat files, saving each packet of data as a file on the file system. This way if a file is corrupted due to loss of power, it can be ignored and the rest of the data remains intact. This poses a few issues however, mainly related to the amount of data likely being stored on the virtual machine. At 0.5s between each piece of data, 1,728,000 files will be generated in 10 days. This at least means using a file system with an increased number of inodes to store this data (the current file system setup ran out of inodes at ~250,000 messages and 30% disk space used). Also, it is hard (not impossible) to manage. Are there any other options? Are there database engines that run on Debian that would not get corrupted by power cuts? Also, what file system should be used for this? ext3 is what is used at the moment. The software that runs on the virtual machine is written using Java 6, so hopefully the solution would not be incompatible.

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  • My 2GB usb is showing free space-256mb and used space-0 bytes,how to fix it before ?

    - by sabasi
    I have written a image on the usb by the win32diskimager,before I press write it said that writing to a physical drive may curropt the drive,i thought it may also not corrupt so i pressed write,after finishing my work with the usb,i format it but after formating the usb properties says 'usedspace-0 bytes freespace-256mb',how can a 2 gb flash drive change into 256 mb flash drive.?please help me how can i fix it ?is there any way to make it as like as before again ?

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