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• Simple SQL Server 2005 Replication - "D-1" server used for heavy queries/reports

  - by Ricardo Pardini

  Hello. We have two SQL 2005 machines. One is used for production data, and the other is used for running queries/reports. Every night, the production machine dumps (backups) it's database to disk, and the other one restores it. This is called the D-1 process. I think there must be a more efficient way of doing this, since SQL 2005 has many forms of replication. Some requirements: 1) No need for instant replication, there can be (some) delay 2) All changes (including schemas, data, constraints, indexes) need to be replicated without manual intervention 3) It is used for a single database only 4) There is a third server available if needed 5) There is high bandwidth (gigabit ethernet) available between the servers 6) There isn't a shared storage (SAN) available What would be a good alternative to this daily backup/restore routine? Thanks!

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• Computer won't recognize second WD internal HD

  - by music man

  I installed a Western Digital Caviar Green 1TB internal hard drive, and want to use it for back up. My BIOS recognizes the device, but it is not recognized in Disk Management. It also is not recognized in "my computer." When I right-click my C drivepropertieshardware, I see it listed. First the drive was plugged into SATA port 1 on my motherboard, then I tried it in port 3, where it remains. I've been working on this for hours. Any help would be appreciated. More info Hard drive model #:WD10EADS-65M2B1 Windows 7 Home Premium 64 bit Service Pack 1 Computer:HP Model p6404y, Processor:AMD phenom II x4 820 2.80GHZ 8 gigs RAM

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• Snap Server 18000 connection help!

  - by sicko666

  I wonder if anyone here can help me. I have a home server setup made up of old secondhand computers, 2 servers running Windows Server 2003, 1 workstation running Windows 7, a 16 port switch & an adsl ethernet modem. All these connect and talk to each other fine but then I got a "Snap Server 18000" and a "Snap disk 30sa" sata array. When I turn the Snap on, it boots past the BIOS, runs a kernel, then displays: This device cannot be managed via the video/kbd/mouse interface. The video is now disabled. You may access the management functions from your web browser. Only, none of the other PCs detect it, so no browser can find it! I have checked all cables, and all LEDs indicate there's a connection. I have installed the windows "iscsi" and the adaptec "Snap Server Manager" on all PCs but still it's not detected. I don't know what else to do, please advise!

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• Idle VMware Guests Resource Consumption

  - by Ravenor

  I want to setup a number of guests with multiple CPUs (4) and at least 4Gb ram running Ubuntu Linux. These machines will mostly be idle, but from time to time their workload will require all their resources, especially the CPU. The hosts are ESXi 5.x. The question is, am I right in thinking that the resource consumption of the machines when idle will be negligible? We know this true of disk and the CPU. The only concern left therefore is memory. Since ESX over-commits memory it makes sense that unused memory of any guest is paged out. If my thinking correct?

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• Performance Alert Writing to event Log but not running program

  - by TooFat

  I followed the instructions here How to create and configure performance alerts in Windows Server 2003 to set up an alert if the available logical disk space on one of my drives goes below a certain number. I selected the option to write to the application event log and select the "run this program" option and put in the path to a script that sends me an email. If I copy the path to the script and run it everything works and I get the email. When I start the alert I can see that the limit I set is being exceeded and the logs are being written to the application log, but the email is never being sent. I have the runas user and pword set to a Domain Admin. If I make the "run this program path" to C:\Windows\System32\calc.exe" it also doesn't start up the calculator. The Performance Logs and alerts services is running as Local Admin with allow to interact with desktop. What am I doing wrong?

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• RAID driver to choose for slipstreaming XP installation on ASUS P5S800

  - by alex

  I'm trying to install Windows XP on my new SATA drive but I need to first slipstream the drivers with nLite. I've done this before, but not on an ASUS P5S800 - VM motherboard. I'm not used to the number of choices it gives me for drivers in SiS chipsets. When I look through the folder that I downloaded from ASUS for the RAID driver, I see many folders with different versions of the driver. Here are the folders or versions given. 180ob 964_180 965 966_968 What drivers do I need to add in order to get XP on my SATA disk?

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• How many hardlinks in a drive?

  - by acidzombie24

  I made a backup of one of my external drives to another. They are both NTFS filesystems. I moved ALL disk contents into a folder called a and right clicked to get file/folder/size count. They are exactly the same. However windows reports J having 1.33gb (backup) and Q: as 521mb. Now I think maybe its because of hardlinks, I must have more on J then Q. How might I figure out how many hardlinks I have in a drive?

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• How to stop S.M.A.R.T check running for external hard drive

  - by gotqn

  I am using Windows 7 and I have enabled my "S.M.A.R.T" check, too. I have bought an external 1 TB USB hard drive. When it is connected with my computer, it delays my machine initial start with about 4-5 minutes. I was very confused at the begging, then disable the "S.M.A.R.T" check and see that the computer runs normally after restart. So, here is what I want to know: Why the check is turn for the external disk? Is there a way to use the "S.M.A.R.T" check only for my main hard drive? Why it takes 4 to 5 minutes more, as my both hard drives - internal/external are 1 TB?

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• Ubuntu server very slow out of the blue sky (Rails, passenger, nginx)

  - by snitko

  I run Ubuntu server 8.04 on Linode with multiple Rails apps under Passenger + nginx. Today I've noticed it takes quite a lot of time to load a page (5-10 secs). And it's not only websites, ssh seems to be affected too. Having no clue why this may be happening, I started to check different things. I checked how the log files are rotated, I checked if there's enough free disk space and memory. I also checked IO rate, here's the output: $ iostat avg-cpu: %user %nice %system %iowait %steal %idle 0.17 0.00 0.02 0.57 0.16 99.07 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn xvda 2.25 39.50 16.08 147042 59856 xvdb 0.00 0.05 0.00 192 0 xvdc 2.20 25.93 24.93 96530 92808 xvdd 0.01 0.12 0.00 434 16 xvde 0.04 0.23 0.35 858 1304 xvdf 0.37 0.31 4.12 1162 15352 Rebooting didn't help either. Any ideas where should I be looking?

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• How do you remove old Windows Vista Backups?

  - by leeand00

  I've been backing up my Vista box using Complete PC backup for quite a while now, and I was just wondering how it is that you remove old backups when your backup drive is to full for another backup. I recently received the following error: The backup did not complete successfully. An error occurred. The following information might help you resolve the error: There is not enough space to save the backup files. Free up disk space or change your backup settings. (0x81000005) I don't see anything in the settings for the backup to change this. Do I have to mount the backup to delete an old backup? If so where is that file located?

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• Bad I/O scheduler?

  - by user62367

  os: up-to-date Fedora 14. Working as a "normal desktop". It's doing very well, but if i start VirtualBox, and e.g.: install a guest on it, it just "freezez". I mean if there are disk activities on a VirtualBox guest, then the computer becomes unrespondable..even the mouse is laggin for about 50 minutes.. What could be the bottleneck? What could be the problem? If anyone has any tips/howtos to speed it up, please help! It has a normal 2,5" HDD, with 5400 RPM. Does it worth for me if i buy a 2,5" HDD with 7200 RPM? T7200 cpu, 4 GByte RAM, "vm.swappiness = 0". Thank you!

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• Secondary drive corrupted/not reading

  - by Sebastian

  When I connect my Seagate Barracuda to the computer, it shows up on the list of drives in Windows Explorer, but right clicking on it crashes Windows Explorer, opening it won't do anything, and I cannot start disk manager when it is connected. Trying to search the drive also freezes Windows Explorer. I have tried to run CHKDSK on it, and it was "unable to read $J data stream" for the Usn Journal. Also, it was an internal drive, but I pulled it out and hooked it up externally so I could test if it was that drive causing the problems. Is there any way for me to copy the files off of the drive?

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• Can't Install Windows 2008 R2 on Lenovo Laptop With SSD

  - by Ben

  I am trying to install Windows Server 2008 R2 on a new Lenovo X201 or T410 laptop. Setup halts with the following pop-up: A required CD/DVD device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now. Note: If the windows installation media is in the CD/DVD drive you can safely remove it for this step. The CD drive is obviously working, as it's booting from CD to get to this point. The only thing I can think is that it is to do with the fact they have SSD disks in - but that's just a guess.

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• Hyper-V performance comparisons vs physical client?

  - by rwmnau

  Are there any comparisons between Hyper-V client machines and their physical equivalent? I've looked around and can find 4000 articles about improving Hyper-V performance, but I can't find any that actually do a side-by-side comparison or give benchmarking numbers. Ideally, I'm interested in a comparison of CPU, memory, disk, and graphics performance between something like the following: Some powerful workstation (with plenty of RAM) with Windows 7 installed on it directly Same exact worksation with Hyper-V Server 2008 R2 (the bare Server role) and a full-screen Windows 7 client machine Virtual Server 2005 had performance that didn't compare at all with actual hardware, but with the advances in CPU and hardware-level virtualization, has performance improved significantly? How obvious would it be to a user of the two above scenarios that one of them was virtualized, and does anybody know of actual benchmarking of this type?

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• Log centralization, display, transport and aggregation at scale v2

  - by Eric DANNIELOU

  This is a duplicate question of Log transport and aggregation at scale and http://stackoverflow.com/questions/1737693/whats-the-best-practice-for-centralised-logging, but the answers might differ now : The softwares described in 2009 may have changed since (for example Octopussy evolved from version 0.9 to 1.0.5). Rsyslog has become the default on most linux distro. Requirements have changed (security, software configuration management, ...). I'd like to ask the following questions : How do you centralize, display and archive system logs? How would you like to do it now if you had to? Most linux distro use rsyslog nowadays, which can provide reliable log transport. But some older unices, network devices and maybe windows box still use old udp rfc-style transport. How did you manage to get reliable transport? Storing logs for a few months can represent a huge amount of disk space. How do you store them? rdbms? Compressed and encrypted text files?

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• How to reset MacOsX while keeping BootCamp?

  - by ss814

  I have MacOsX 10.8.2 installed on my MacBook Pro and Windows 8 licenced on a BootCamp partition. I have messed up my MacOsx partition (problems while programming, .h files not found, old applications removed that still appears) and I wanna start back from a clean OS. Is there a Way to reset my partition (or reinstall, obviously) keeping my BootCamp partition safe ? I know I could use my recovery partition but I do not know if it won't delete my Windows and it no longer appears in disk utility. As I found no answers in the Internet, does someone how how to do that ? Thanks in advance.

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• Best way to backup and restore millions of files

  - by bongo

  Hi, I'm facing a rebuilding of the volume on which I host the mail storage (kerio mailserver, which uses maildirs). I need to backup and restore as quick as possible the 3.5+ millions (for about 600GB) small files of the store directory. It takes more than 12 hours via rsync to a NFS share, but I also have a 1TB firewire 800 raid1 disk that I can use (from some preliminary tests it's faster). I'm working off a XServe intel. What is the fastest way to do it? Rsync? Finder copy? tar?

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• Firefox "auto-complete" is very slow

  - by netvope

  Firefox version: 3.6 My places.sqlite is rather big (114MB, after being optimized by SpeedyFox.) If I turn on auto-complete, it may take 1 or 2 seconds for Firefox to accept a newly typed URL. To reproduce the issue: Type a URL into the URL bar, press enter. Nothing happens, and Firefox consumes 100% CPU (actually 50% of 2 cores) for 1 to 2 seconds Then Firefox start the network connection and load the webpage. Since it consumes 100% CPU, I don't think the bottleneck is the disk. I have some experience with SQLite and I know a 100MB DB is very small. To achieve the delay Firefox must be doing some expensive processing or inefficient queries. The issue does not appear if: auto-complete is turned off, or the URL is frequently used, or a new profile with no history is used Does anyone have any idea how to solve the problem? Should I file this as a bug? I don't want to give up my 100MB history, but I don't want to give up auto-complete either :)

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• Can i enlarge os c drive of my windows 8?

  - by Sorgatz

  Last year I got a new Western Digital WD Blue 500GB HDD to replace my old drive. The first thing I did was to install latest Windows 8. While installing Windows 8 I created 3 partitions, C drive for the OS and others for storage. The OS partition is 120GB (which at the time I thought would be plenty big) but I'm now realizing its too small! I wonder if it's possible to re-size HDD partition without reformatting and re-install my Windows 8. So that is my question, Can i enlarge os c drive of my windows 8 without having to re-format? I've used the Norton Partition Magic and Disk Management to make this happen but there doesn't seem to be any options to make it happen. Thanks for any help you guys can give regarding my question. I've worked hard to optimize my current install of Windows 8 and would hate to start all over again.

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• my windows xp sp3 diagnostick:windows could not detect any wired or wireless network cards installed on your machine

  - by Yosef

  Problem: cant connect to internet with my new installation of windows xp sp3. Details: I have ubuntu in pc that worked with wired internet. i format all disk and install windows xp sp3. i have auto internet that defined in my router - other computers have internet. I run diagnoze of ie and get: windows could not detect any wired or wireless network cards installed on your machine In Device Manager i have only 1394 Adapter I dont see any internet adapters. Edit: I find with ubuntu livecd that i have hardware:82566dc gigabit network connection Thanks

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• Setting up a laptop hard drive as a secondary on a tower?

  - by vermiculus

  I'm trying to install Windows 8 for a friend who has recently bricked a laptop hard drive. The new one is OEM so there is no OS - I need to be able to stick it in to my tower and load the new OS on it. Both bricked and replacement laptop hard drives are SATA and connect to my mobo just like any other. After I post this I'm going to check the BIOS and see if it shows up, but so far I don't have it showing up in Disk Management. Any ideas would be greatly appreciated.

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• WYSIWYG editor for structured text (suitable for SVN versioning)

  - by chris_l

  I'm looking for an open source cross platform WYSIWYG editor that I can use to write documentation. I'm not looking for a web based solution - i.e. it should work without a web server, and I want to save my files directly to disk. The result could be any structured format, like Wiki markup, ReStructuredText, DocBook, or a small subset of HTML, ... But it's important, that Subversion diff can be used to see differences between the versions easily (this wouldn't work with .odt or .rtf files for example) I'm currently thinking about using Open Office, and saving the files as HTML, but is there a better solution?

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• Apache Prefork Configuration

  - by user1618606

  I'm newbie on VPS configuration. So, I've installed apache, php and mysql and now I need to know how to configure Prefork to optimize Apache. The system configuration is: CPU Cores 2 x 2 Ghz @ 4 Ghz RAM Memory 2304 MB DDR3 Burst Memory 3 GB DDR3 Disk Space 30 GB SSD Bandwidth 3 TB SwitchPort 1 Gbps Actually, after linux, mysql, apache and php, there are 250 MB memory in use. Well, I don't have idea to calculate. I saw in some websistes, some vars like: KeepAlive On KeepAliveTimeout 1 MaxKeepAliveRequests 100 StartServers 15 MinSpareServers 15 MaxSpareServers 15 MaxClients 20 MaxRequestsPerChild 0 or StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 How I could to do: Prefork or worker? Where and how the vars are placed? In httpd.conf?

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• Apache Prefork Configuration

  - by user1618606

  I'm newbie on VPS configuration. So, I've installed apache, php and mysql and now I need to know how to configure Prefork to optimize Apache. The system configuration is: CPU Cores 2 x 2 Ghz @ 4 Ghz RAM Memory 2304 MB DDR3 Burst Memory 3 GB DDR3 Disk Space 30 GB SSD Bandwidth 3 TB SwitchPort 1 Gbps Actually, after linux, mysql, apache and php, there are 250 MB memory in use. Well, I don't have idea to calculate. I saw in some websistes, some vars like: KeepAlive On KeepAliveTimeout 1 MaxKeepAliveRequests 100 StartServers 15 MinSpareServers 15 MaxSpareServers 15 MaxClients 20 MaxRequestsPerChild 0 or StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 How I could to do: Prefork or worker? Where and how the vars are placed? In httpd.conf?

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• Which software could I use to setup a 4in6 IP tunnel (RFC 2473) on GNU/Linux

  - by Mildred

  Here is my problem. I have a server A that has two IP addresses. One public IPv4 and one IPv6. Server B has only one IPv6 address. I want to host most of my services on server B (because I have more disk space on it, I can control it better) but I need the IPv4 of the server A. I would like to set up a 4in6 tunnel (RFC 2473) between A and B so that I can transfer the traffic from the IPv4 address in A to B. If needed, I can request another IPv4 address on the server A, but I'd prefer not to. My question is: which software use to do the 4in6 tunnelling? I suppose OpenVPN can do the thing, but is there any implementation of the 4in6 protocol on Linux? A little more challenging: the IPv4 address comes from a venet interface, which cannot be bridged. How could I transfer ownership of this address I don't use on server A to the server B? Thank you

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