Mirroring is a type of file synchronization where one of the synchronization location (the destination) is modified to match the other (the source).

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Windows 10/7 Dell Optiplex

I have a Dell XPS computer that I originally configured with RAID 1. It drove me crazy (the drives kept losing synchronicity and spending hours rebuilding) that I decided to clear it and install ...
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Would a log-structured file system on a SSD/HD mirror improve (write) performance and reliability in a virtualization environment?

I'm planning to get new Notebook as a host for several virtual machines. The host shall get a SSD drive for the sake of speed. However, I'm a bit concerned about the reliability of SSD drives for this ...
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1answer
44 views

Mirror a folder automatically? [duplicate]

Let's cay I store some really important stuff in C:\User\Rahul\Desktop\IMP. Is it possible to make windows automatically mirror the contents of that folder to C:\Users\Rahul\OneDrive\IMP constantly ...
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43 views

Download a single web page (including images from CSS)

I want to download a single web page including everything needed to view the web page locally (this includes images linked in the css). Example URL i want to download: http://www.example.com/page1 ...
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2answers
418 views

How to shrink a Windows 10 partition

I use a big single partition on a 1TB platter drive with Windows 10. I would like to shrink the partition down so that I can mirror the drive to a smaller but faster 256GB SSD. I bought the drive ...
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19 views

3 mirrored volumne in window 7

Can I make 3 mirrored Hard disk in window 7? I would like to use backup system(mirrored volume) with RAID 1 in window7. But the problem is that I can make two volume mirrored. Is that possible?
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2answers
72 views

Mirrored display, mouse cursor missing

I have an Ubuntu 14.04 connected via HDMI to a TV. After the computer comes back from suspend the mirrored desktop on the TV display sometimes doesn't show the mouse cursor. The only way I found to ...
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59 views

Using Reflector 2 between iPad Air 2 and PC Laptop

I'm having some issues with a user in my office who is looking to present her iPad screen to a laptop. The iPad is an iPad Air 2 running iOS 9.1 and the laptop is a Lenovo T400p running Win7 ...
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1answer
40 views

How to tell when a mirrored disk is bad in Windows

When a disk is mirrored in windows you see it represented as one volume in windows explorer. From my understanding, if one disk errors on read or write then windows will fall back to the other disk. ...
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2answers
33 views

Tell wget to mirror the parts of an URI's path to folders

I have a list of URIs in a file uris.txt: http://example.com/file1.pdf http://example.com/file2.pdf http://example.com/Folder/file3.pdf http://example.com/Folder/Subfolder/file4.pdf The ...
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1answer
459 views

Is it possible to mirror an Android device’s screen to a Surface Pro?

I have a Galaxy S5 and I’d like to mirror my screen to a Surface Pro. I have Chromecast but so far I’ve been unable to get my Galaxy S5 to recognize the Surface Pro as a device. Is there a better ...
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1answer
179 views

Unable to copy/mirror website-page by using WinHTTrack

I am using Httrack for copying/mirroring a website and facing one problem. I am talking about this website. Consider I want to cover this page with all inside links (you can see like: problem 6.11 , ...
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41 views

What happens to Windows 7 mirrored volume if host OS disk fails?

I have created a mirrored volume attached as a folder in Windows 7 Pro. If the drive with the OS was to have a severe issue and needed to be replaced what would happen to the mirrored volume? Thanks. ...
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1answer
36 views

Mirror with backup of changed files

we have some largeish storage requirements (genomic data) for which we need to buy some archival space (write once, read rarely, files remain easily accessible, each user should have access to their ...
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1answer
72 views

Archiving websites like Internet Archive

Most of the data for my research needs are met by our Government websites. Problem is they take down websites or certain pages or break the links. But my research demands the access to information ...
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54 views

How to mirror multiple iPhone via USB (no wifi)

Is there a way to mirror multiple devices via lightning cable ? I can do it for one of them with Quicktime, but when I launch multiple instance of Quicktime App, this don't let me use a second video ...
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1answer
55 views

Why are there no Contents-arch.gz file for Debian jessie?

The mirrors ftp://ftp2.de.debian.org/debian/dists/ http://ftp.gr.debian.org/debian/dists/jessie/ and many others don't contain the file debian/dists/jessie/Contents-amd64.gz whereas they do for ...
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34 views

Win 8.1 Pro: Disk Mirroring questions

So its my first time setting up any kind of redundancy for my media and I have a few questions. My setup is as follows: Shuttle SH87R6 Intel i7-4790k 8GB RAM Win 8.1 OS on Samsung 850 Pro 512GB 2x ...
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1answer
74 views

Httrack filter links with certain pattern

I am trying to use httrack to download an entire webarchive from archive.org. The idea is to download only the archive links (as many as possible), but only the links that are really from the archive ...
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30 views

wget only new or updated files when the source files are compressed but the destination files are uncompressed

I would like to know how to wget files from a url which are stored with bz2 compression. However, I would like to only wget the new and updated files, relative to my destination, where the files are ...
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1answer
37 views

What will happen if I reconnect 2 halves of two-way RAID mirror after using them independently?

Suppose I have a storage space with two-way mirror based on 2 physical USB drives a and b. Then I disconnect b and connect it to another computer. Then I use—write some data—to both degraded storage ...
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1answer
87 views

Solaris ZFS Mirroring - is different stripe widths valid?

I have found many articles about using ZFS mirroring with different sized disks, and it appears to be possible to grow a mirror by using larger disks. Is it possible to consolidate a stripe onto ...
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1answer
135 views

MD5 mismatch when PXE booting with cobbler

I am working on PXE booting on clients from one master node which has cobbler service on it. I am trying to install Ubuntu 14.04 and this is the preseed file I am using for ubuntu installation. # ...
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1answer
284 views

offline incremental backup via thumbdrive? [closed]

I need to mirror one computer's 3 TB directory tree on another computer. The computers share no network [edit: they cannot communicate at all, "air barrier"], but I can transport a 32 GB thumbdrive ...
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257 views

lftp mirror mode over hftp/proxy not working

When I connect lftp over an http proxy using hftp and try to use mirror mode, no files are transferred. dir and get work fine. Mirror mode works fine when I connect directly. Here is the script I ...
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2answers
114 views

Why doesn't wget -m save the index.html documents

I'm making a copy of a website with wget -m -p -q http://example.com The process works fine, but the copy is missing all index.html files, even so I see them being sucessfully requested and all ...
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1answer
62 views

Can't download hadoop

Am I taking crazy pills or is it impossible to download hadoop right now? I am looking at http://www.apache.org/dyn/closer.cgi/hadoop/common/ to find mirrors for it and absolutely none of them work ...
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68 views

Mirror a blog with wget

I am trying to mirror a blog, eg www.example.com, with wget. I use wget with the following options (shell variables are substituted correctly): wget -m -p -H -k -E -np \ -w 1 \ --random-wait ...
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1answer
5k views

wget mirroring the site fails - 403 Forbidden, even with user-agent

I need to download suricata's latest rules from this url: http://rules.emergingthreats.net/blockrules/ I'm trying to compose my own rules based on different emerging rules and snort's rules too. ...
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2answers
169 views

Windows 7 - Method for mirroring the data of one file with the data of another file in real-time

I'm looking for something that will allow the content of one file to be mirrored to another file on the same system and partition. For example, when the content of a file, say, originaltext.txt, was ...
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2answers
1k views

mirroring traffic with iptables doesn't work

i want to mirror specific traffic to ip 192.168.200.1 i use this solution : Mirror Port via iptables but when i enter following command, error occurs: iptables –I PREROUTING -t mangle -j ROUTE --gw ...
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408 views

Synchronizing two Git servers between companies

There are two companies. Each one has a Git server running. If company A checks in some code this should be updated on company B server and the other way around. The two servers should keep ...
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45 views

How to find how many HDDs are present in a NAS?

I'm logged into the web interface of a NAS made by LG Electronics. It is obviously running some Linux version : Linux LG-NAS-N1T1 2.6.30-nt1 #130 Sun Nov 28 15/31/54 KST 2010 armv5tel GNU/Linux ...
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1answer
2k views

Download website from the WayBack Machine

I found an excellent website on the WayBack machine which currently doesn't work and the domain is for sale. I wanted to use it offline. I tried using WinHTTrack, but it only saves the homepage, ...
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1answer
631 views

2012 R2 Mirrored Disk Replacement

My Homeserver is currently running on 2 pretty old 400 GB SATA II HDD drives (Manufactured 2007, running 24/7 ever since - 7 Years of Samsung Quality :P). 2 Volumes are created, and a Mirror has been ...
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52 views

Certain mac system hotkeys don't work on PC keyboard.

I am using a Mac mini with a typical PC usb keyboard (not a Mac keyboard). I am on OSX 10.9.3. According to this apple support web page, Cmd+F1 should toggle 'mirror displays', but it doesn't work. I ...
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1answer
668 views

Where to place a port-mirroring switch for home network monitoring

I want to start monitoring traffic that goes in and out of my home network. I'd like to collect information like bandwidth usage and (specifically) HTTP requests from home computers to websites. From ...
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1answer
291 views

Need to create a robocopy in Powershell 1.0

My ultimate goal is to mirror a folder and its subdirectories with the restriction of only copying files with the extensions, sln, vcxproj, cs, cpp, hpp, c, and h. There are far too many subfolders ...
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1answer
294 views

Mirroring a web site having pages that uses simple JavaScript [duplicate]

There are simple and great web site download tools that allow to create a local mirror of simple sites having no JavaScript infrastructure behind. However, sometimes there cases when a site looks ...
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41 views

How synchronization programs treat files/folders in use

I'm planning on setting up a synchronization software to mirror (one way) my main working drive on to a spare one as a simple backup solution, but the drive is 3tb so moving or working on files inside ...
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1answer
3k views

lftp - mirror and wildcards

Is there anyway to use wildcards ("*") when using mirror command? I know there is a mget command, which is simply the same as get, but one can use wildcards with it. Is there something equivelant to ...
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154 views

Mirror monitors 2 and 3?

I have an Asus laptop and two 24" monitors. One plugged into HDMI and the other VGA. When I go into my display properties I have 3 options Mirror 1 and 3 Mirror 1 and 2 Extend Desktop I've also ...
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1answer
5k views

How to mirror ENTIRELY a website with wget [duplicate]

I really need the command to download everything from a website. It is arnos.gr and has a lot of content on it which I want to browse locally without Internet I have an account for login
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2answers
83 views

Is there a way to tell if an archive mirror is up to date?

As of late, I've been noticing that the usual mirror I select during installation has been annoyingly slow, so I decided to go ahead and find a new one and test that. I read around on the Internet a ...
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1answer
47 views

Mirror server and ignore already-processed files

Before I start writing my own app for this, maybe there is already a better solution for the problem: I need to check an HTTP Server every day for new files to download and process. Basically these ...
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3answers
9k views

WIndows server 2012 will not allow mirroring drives/partitions

I have a dell c1100 server and it gave me a hard time installing windows server 2012. Now installed, I want to setup mirroring inside windows (raid 1 effectively). In disk management, I right click ...
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1answer
138 views

ZFS formated USB drive in mirrored zpool keeps becoming unavailable. Any idea why?

I have two 4 TB USB drives in a mirrored zpool running on Debian 7.2. About once a week, the zpool will go into a degraded state with the following error: status: One or more devices could not be ...
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173 views

How does SyncBack detect if two files are different?

I'm currently using SyncBack's free version, SyncBackFree, to mirror files from a LAN directory to a directory in my PC, after reading this SU post: How can I keep folders synchronized between several ...
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3answers
288 views

How to mirror a filesystem structure but without any content

This is needed for backup purposes. Just the index of the entire fs structure. I can do such image with a FAR plugin. How can the same be achieved in the GNUverse? Mirroring means perfect copy, i.e. ...
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1answer
2k views

`no such file or directory` when mirroring with wget

I'm trying to save a local version of the clojure docs with the wget command: wget --user-agent=firefox --ignore-length -c -km "http://clojuredocs.org/quickref/Clojure Core"` but keep getting a ...