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How to create a Mirror of an NFS Share?

For back-up and restoration purposes the purpose of retiring an old server, I will need to create a perfect mirror image of an NFS share. This mirror is not a simple re-direct, but rather, an exact ...
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1answer
2k views

Best way to mirror files to an external hard drive?

I have a 1 TB internal hardrive full of important files and media on a server running Ubuntu; I also have a 1 TB external hard drive that is plugged into the same server. What would be the best way to ...
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1answer
181 views

Can I mix RAID-0 and RAID-1, i.e., striping and mirroring?

With my Dell Precision Workstation T7400 came a SAS controller that supports both striping and mirroring. Total nr of physical connections is 4. What I'd like to do is plugin four 2TB disks, select ...
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2answers
81 views

verifying two mirrored directory trees

Is there an easy way to verify that two directory trees on two separate machines are identical, and that all files within the directory tree are also identical? I want to make sure that two separate ...
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3answers
862 views

Real time mirroring between two sql server databases

I'm a c# programmer, not a DBA and I've had the (mis)fortune to be handed a database admin task. So please bear this in mind when answering this question. What I've been asked to do is to create a ...
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1answer
579 views

Using CloudFlare with a mirror site

I am developing a mirror website (where people can download files, sort of like a FTP). I was wondering about using CloudFlare to help cut down on bandwidth usage. I have the mirror website with ...
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2answers
359 views

I need complete tutorial about MSSQL 2008 Database mirroring for load balancing

I need complete tutorial about MSSQL 2008 Database mirroring for load balancing i want to load balance my SQL workload all database insert update and delete queries will be mirrored all select ...
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5answers
1k views

What's a simple app to mirror a folder of files (windows) to a remote server (linux)?

I have a windows box that I want to sync with a remote computer. Changes on the windows box should be reflected on the remote computer. Files are never changed remotely so it really just needs to be ...
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2answers
97 views

Mirror productive files on a local virtual machine

I am looking for a solution which allows me to access any file of my productive environment in my local virtual machine for testing. Both systems are running Ubuntu 10.04 lts. The current solution is ...
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1answer
920 views

how to migrate lvm mirrorlog from physical partition

Output from: sudo lvs --all -o +devices root hp03 mwa-ao 18.62g root_mlog 100.00 root_mimage_0(0),root_mimage_1(0) ...
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5answers
843 views

Mirroring linux installation

I have a live server that I want to completely mirror to a 2nd server so if something were to happen to the live server the backup server could simply be plugged in and ready to go. How do I setup a ...
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3answers
580 views

Sql Server Mirror over Internet

Ok, I'm gonna get some weird looks for this, but It's something I want to do. I have two servers on the internet, I want to open an internet port just for each others IP, and do a SQL Server 2008 ...
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1answer
115 views

lftp mirror files from a directory tree into single directory

I am looking for a way using lftp to mirror files from a remote location that are in a constant directory structure based on date into a single local directory. In wget this is done with --cut-dirs=, ...
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1answer
22 views

How to audit a mirroring job?

I am using SyncBack to mirror two shared folders on two separate shared folders(SMB) on two servers in the same trust domain. I checked the option to copy also the folder rights: Copy sub-directory ...
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1answer
180 views

Failover server for SQL Server mirror errors after reboot

I have two Windows Server 2008 servers set up, both running SQL Server 2008 R2. One is used as a primary DB, the other as a mirror failover (two website DBs + ASPState for sessions). Everything works ...
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1answer
22 views

Monitor a machine plugged on a mirroring interface

I've read that if I configure port span, I can no longer use that interface to pass normal trafic. However, I'd like to monitor the machine plugged to that interface, with nagios.. Does anyone know ...
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2answers
140 views

Mirroring a website on virtual machines

Recently I've spoken to a friend who told me of an idea to improve performance of a website (as well as increasing the use of full capacity of a machine) by installing multiple virtual machines on the ...
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1answer
615 views

Data migration from one data center to another - SQL Server 2005 / 2008

We're installing new data center and we'll set that location as primary location. What do you think, how should we migrate SQL Server data? System is normally active 24x7x365, but we're prepared for ...
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1answer
92 views

Mirrored drive separated and lost one copy

I have a dedicated server with two identical hard drives, which ran in a raid array, mirrored until yesterday, when the datacenter had a power failure and corrupted one of the discs. I figured if I ...
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1answer
1k views

wget mirroring, subdomains and directories and cookies

I have an account on a web page that is now "full" (ie I have used up all my allocated space) and I would like to make a mirror of that site. wget seems like the thing to use. The problem is that I ...
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2answers
164 views

SQL Server 2005 mirroring 2-1

I want to setup a single instance of sql-server as a mirror-backup for 2 production-servers, and I need to use certificate authentication because they are not part of an AD-domain. Reading the ...
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0answers
151 views

lftp mirror leaves empty folders on remote

My script is set up with this for lftp lftp -p 2218 -u $login,$pass sftp://$host << EOF set mirror:use-pget-n 5 mirror -c -P5 --depth-first --Remove-source-files ...
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1answer
695 views

RabbitMQ - unexpected empty and unsynchronized queues after cluster node failure

I have downloaded and installed RabbitMQ in cluster on Windows: downloaded and installed ERLANG and RABBITMQ on two servers (for example Alpha and Bravo) installed management plugin, set custom ...
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1answer
104 views

Serve mirrored (static) web-page with original headers

I have a dynamic webpage which I want to create a "frozen" copy of. Typically I would do something like wget -m http://example.com, and then put the files in the document root of the web-server. ...
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1answer
94 views

on the fly FTP mirror using Apache/Php

I got data on a private FTP server I want to mirror it, but "on demand". My frontend is an Apache/PHP server... Here's the flow : Clients asks the apache server for a file if file is not on hdd, ...
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4answers
5k views

Cannot add witness to my mirroring setup

I'm trying to set up mirroring with a witness using my 3 dedicated servers running SQL Server 2008 R2. I've set up everything as described at this blog post Mirroring seems to work fine between the ...
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1answer
1k views

lftp, setting for ignoring time-stamp?

I am using lftp for mirroring the files on a server to a PC. The problem for me is that as I put a batch of files on the PC that are exactly the same as the ones on the server, the mirroring starts of ...
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1answer
506 views

WebDav mirroring with Apache/Nginx

Folks, I have an "origin" server where data is being dumped using WebDav. I need to distribute this data to edge caches as soon as the data is received on the origin. I will use either Apache or Nginx ...
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2answers
107 views

Mirroring primary hard drive

I need to mirrior my life drive so that the hard drive we mirror it to is bootable. Does the server need to be off to do this? What's the best way to do this? It's a 160GB drive with anywhere from ...
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1answer
689 views

Issue with broken disk on Solaris with raidctl - how to proceed

I have a SunFire T2000 server which has 2 mirrored disks pairs. The server required an exchange of the system battery. After swaping the battery first no disks were found. After booting from CD we ...
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5answers
139 views

Backing up a server to another server every night

My company just set up an Amazon EC2 instance running Windows Server 2008 R2, and though we were planning on using that server as our main server, we have decided instead to use it as a backup for our ...
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1answer
9k views

Virtual Disk Degraded

There is a physical DC with a Raid 1 Mirror, 2 Physical Disks, 500GB each. Dell Server Administrator is installed on the DC, and is reporting both physical disks are fine, online, in a good state etc. ...
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3answers
1k views

How can I create a system mirror?

I have a database and webserver set up on one machine, and I want to mirror the system onto another machine. The original database is running ubuntu 9.1, the new system has ubuntu 11.04 installed ...
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1answer
157 views

Create a RAID1 Mirror After OS and apps have been installed

We are building a server but one of the new disks is dead on arrival. If we put the os and apps etc on the first disk, when we get the bad disk replaced can any one see any reason we shouldn't be able ...
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4answers
3k views

mirroring linux server to external usb harddrive

My google-fu must be sucking. i havent been able to find a good solution for the following: numerous Linux server on commodity hardware Trying to do a recovery mirror copy to external harddrives ...
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2answers
486 views

Tools to manage sql 2008 database mirroring?

We are going to be moving about 20 databases that live on a single instance of sql 2000 to a sql 2008 r2 environment with database mirroring. What I'm looking for is a tool or scripts that will help ...
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5answers
214 views

Complete copy of Ubuntu system

I have a Linode with Ubuntu installed. The machine is used for things like web sites and Minecraft. I would like to create a complete 'offline' copy of the server to test some new packages and ...
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2answers
518 views

How to transfer large files between two remotes by using a third machine?

I need to automatically mirror a large amount (terabytes) of files in two unix machines over a slow link (1 Mbps). This needs to be done frequently, but the data doesn't change too much (delta ...
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1answer
56 views

A Sourceforge-like mirroring system for use in my servers?

I want to set up a download area within a site, (FTP or HTTP, doesn't matter) and I would like to have at least a handful of mirrors scattered around the world. I would like the download links to ...
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1answer
255 views

Server mirroring strategy questions SQL Server replication, MySQL replication, file replication, etc

I'm working as an application developer for a company that I've been with for for some time. The business would like to mirror their existing windows server (server A) to a new server (server B) with ...
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2answers
1k views

Drobo mirror setup

We have recently acquired 3 Drobo and tried setting them up, each of them contain 4x2TB HDD, but it only shows 5,44TB available, probably because of their beyondRaid technology, this lead to 2 ...
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2answers
2k views

How can I improve SQL server mirroring performance

(reposted from stackoverflow) I've setup SQL server mirroring, using 2 SQL server 2005 standard editions. When the application is being stressed, response times increase 10-fold. I've pinpointed this ...
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1answer
32 views

How do I mirror the data harddisk of my win 2008 server to a LAN drive or another local server?

As title, I have a server running win server 2008 but I want to create an HA environment (sort of) by mirroring the data drive of the server to another local server/network drive. What is the best way ...
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2answers
64 views

Build a IIS and SQL Server replicated cluster [closed]

I have four Microsoft Windows Server 2012 R2 Standard virtual machines on three physical nodes. Two will be dedicated for IIS, and two for SQL Server 2014 Standard. I have to replicate them (IIS1 to ...
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2answers
893 views

Windows Server 2008 R2 with Mirrored Disk Booting to Black Screen

I've got a Windows Server 2008 R2 device with 2 disks formatted as Dynamic Mirrored disks booting to a black screen. Upon booting the machine goes through the standard checks and then gets stuck at a ...
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1answer
92 views

3Ware 9500-4lp - Single Disk to RAID 1 - Possible? [duplicate]

I have a single disk attached to a 3Ware 9500-4LP controller. The unit is configured as Single Disk. I have attached 2 more drives, identical size. Can I pair the 3 drives in a RAID 1 config, without ...
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2answers
1k views

Is there a difference between Sql Server and Sql Server Instances?

I just want to clarify if there is a difference between the two terms. Right now we are actually planning to use database mirroring and I've been encountering the following sentences databases must ...
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1answer
348 views

Rsync and Webmin won't recognize a change in ports

I am trying to use Rsync to transfer files between servers. However, I used a nonstandard port on one of the servers. This caused trouble, so I changed the port back to 22. Now, when I try to use ...
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2answers
267 views

SQL server 2008 R2 with IIS on same machine and mirroring

I want to install SQL server 2008 R2 and IIS on same server with a mirroring configuration with principal/mirror/witness setup. Both principal and mirror servers will have IIS and SQL server. My ...
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2answers
124 views

Mirroring ubuntu/debian release CD images?

I'd like to create a mirror for Ubuntu and Debian. I have apt-mirror installed, but I'm not sure what to place in my /etc/apt/mirror.list to mirror just the CD images. Can anyone assist? Thanks!