Questions tagged [mirroring]

The tag has no usage guidance.

0
votes
1answer
11 views

host mirroring on multiple VM (unique VNETid/uuid)

We want to mirror all traffic going in/out port vnet0, and we want to send it to bridge port vnet2 (where we have a traffic monitoring application) and make sure traffic from vnet2 is excluded on ...
2
votes
1answer
27 views

Hyper-V Virtual Switch not recieving any packets

I have a virtual machine set up with two network cards, one card is connected to a virtual switch for connection to the main network, the second is connected to another external port on the host ...
3
votes
1answer
144 views

Selective mirroring over FTP

I need to keep my web page synchronized with a local directory. A very effective tool is lftp, which I use with the script: #!/bin/bash HOST='ftp.remote.it' USER='username' PASS='password'...
0
votes
2answers
197 views

How to full copy the C:\Windows folder?

I have a question about cmd - robocopy, on my server. Is it possible to use that command as a way to emergency backup all files from C:\Windows? I am going to do some Windows Server Updates, and I ...
3
votes
1answer
91 views

How to implement partial mirroring in nginx?

I want to test an early new version of a server, and to do so I want to mirror part of the real requests that come to the production server on my testing server. The mirror module allows me do to ...
1
vote
0answers
32 views

Glusterfs dont mirror supposed mirrored folder

Gluster dont replicate mirrored content: xfce4-terminal -T LocalTerm exit At LocalTerm: PS1='[\u@\h]-[\D{%T}]-[\W] => ' lxc profile copy default default-bkp lxc profile set default raw....
2
votes
1answer
364 views

Nginx mirroring without mirror module

It has happened that someone that is not at my company anymore decided to manually compile nginx without knowing exactly what he was doing and put it into production. Now we cannot add modules and we ...
0
votes
1answer
70 views

aptly publish snapshot operation not permitted

I'm trying to build a local mirror of the ubuntu repository using aptly and I'm hitting an "operation not permitted" error at the point of publishing. Here is what I'm doing; I've created 3 mirrors ...
0
votes
1answer
808 views

lsyncd taking time to sync files

lsyncd sometimes takes more than 15 minutes to sync file from remote server to local server. Latency is fine, probably process to. What could be the further reasons for late syncing ? My lsyncd ...
1
vote
1answer
3k views

robocopy logs of each day in separate text file.?

i'm using below mention batch file @echo for /f "tokens=1-3 delims=/ " %%a in ('date /t') do ( set _date=%%a%%b%%c ) robocopy D:\a D:\b /mir /mot:1 /log:"d:\logs\%_date%.txt" exit but it create ...
1
vote
1answer
455 views

MongoDB migration with mongomirror

We are trying to migrate our databases to atlas solution according to documentation. Our replicaset config: replication: oplogSizeMB: 1 replSetName: rs0 But we are getting such error: 2017-...
0
votes
1answer
291 views

Send received mirrored traffic using iptables to docker application?

I have a setup that receives mirrored traffic from many IP addresses on my network card (eth0). I wanted to send the received packets destined to a particular IP address(say 8.8.8.8) to a docker ...
4
votes
2answers
95 views

Build mirroring on top of SQL2008R2 SQL cluster

On our SharePoint 2010 farm, we are using SQL 2008 R2. Currently, a SQL cluster (with 2 SQL server sitting at same data center) is built to provide auto-failover. However, it has no DR ability. We ...
0
votes
1answer
145 views

What does an infrastructure that hosts an FTP server with HTTP access look like?

I am wondering about how companies provide access to the same files over FTP and HTTP/HTTPS. What are the different servers involved in setting up such an infrastructure? I am interested, ...
1
vote
0answers
126 views

How to mirror two striped hdds with zfs?

I had two 1G+1G disks striped together. (filenames used for example) config: NAME STATE READ WRITE CKSUM xxx ONLINE 0 0 0 ...
0
votes
2answers
68 views

What is the name of having two identical servers?

I have a Windows Small Business Server 2011. I want to have another identical server (or mostly identical in hardware, thus identical in software). So, my email server, my users or anything else shall ...
3
votes
1answer
65 views

Raid 1 or Windows Mirroring: Can I just detach one of the HDDs and use it?

I am deciding on RAID level and one feature (requirement) I like to have is to be able to (have the freedom) detach one of the RAID HDDs, plug it as a USB disk to my laptop and read/backup/recover its ...
1
vote
2answers
716 views

“New Mirrored Volume” is disabled for fixed size VHD disks

I am doing a Windows Mirroring POC. I am using windows 10 Enterprise as my POC environment. I created two fixed size VHD disks. "New Mirrored Volume" is disabled per below screenshot: Why are all ...
0
votes
1answer
121 views

Receive tcp traffic sent to other device

A server (A) is sending tcp packages to a mission critical alarm system (B). My server (C) needs to listen to this traffic and generate a statistic of triggered alarms. I do not want to be a man-in-...
0
votes
1answer
147 views

A better way to prevent someone who is proxying/mirroring my site from requesting resources?

I serve a few static files and a WordPress blog on my DigitalOcean VPS and use dyn.com for DNS resolution. I've noticed lines like this in my Apache (2.4) access logs: xxx.xxx.xxx.xxx - - [20/Jul/...
0
votes
1answer
42 views

Copying parition tables (only) on two GPT HDDs of 4TB each

I have two hdds of 4TB each on CentOS 7. I need to copy partitions of one to the other so that I can use the second to take periodic backups from the first. Tried sgdisk using -R option but it did not ...
-1
votes
1answer
25 views

Make mydomain.fr “mirror” to mydomain.com/france/

How do I "mirror"/point various specific domain names to a given .com/suburl/? Examples: mydomain.fr > mymaindomain.com/france/ mydomain.se > mymaindomain.com/sweden/ I currently have the ...
1
vote
3answers
540 views

Forward all traffic when connected to a hub

I have a Ubuntu with two NICs. eth0 is connected to a hub and eth1 is connected to Internet. eth1 is used to do a point to point VPN using openVPN. So I have a tun0 interface. the VPN tunnel endpoints ...
0
votes
1answer
2k views

lftp reverse mirror silently skips files in subfolders

I'm using lftp to push content to an ftp-only web-server. It worked to upload the files recursively at first, and even incrementally. Any idea why this would skip files changed in a subfolder, but ...
0
votes
0answers
56 views

ZFS and controller level mirroring

If there are more than one SCSI controllers on your machine - there are disks from each controller - is there an option within ZFS to create a mirror of an existing pool so that sub mirror is picked ...
0
votes
1answer
171 views

lvconvert number of mirrors

I have a logical volume that is mirrored, it has two copies of the data and also its log is mirrored. It was created using something like: lvcreate -m 1 --mirrorlog I am planning to move this data ...
0
votes
1answer
501 views

Changing Mirroring RAID disks - HP DL380

I have a DL380 server with raid configured as mirroring with only two harddisks ( 0 and 1) As we lost some files due to a software bug I removed both the HD's ( 0 and 1). Instead I put an old ...
1
vote
0answers
461 views

Error when viewing database mirroring monitor in SQL Server with non-default port

I have database mirroring set up (with witness) on SQL Server 2014 Standard. Both servers use default instance on a non-default port (not 1433). Mirroring works perfectly fine. However, when I try to ...
0
votes
2answers
969 views

What is the best way to sync 2 identical centos servers in real time

I am operating a centos linux server(A) and I want to create a realtime backup server(B) so whenever server A goes down server B(after the failover kicks in) will take over. I already solved the ...
-1
votes
1answer
151 views

How can I set the root of one of my domains to mirror a certain page on another of my domains? [duplicate]

I want one of my domains (freelawofattractioncourse.com) to point to a page on another site of mine (https://dr.katievb.com/freecourse) without causing the URL to change in the visitor's address bar. ...
-2
votes
3answers
452 views

Difference between 2 hardisks for HP ProLiant server

I have a HP ProLiant server: HP ProLiant DL360e Gen8 Entry I have: 2 hardisk HP SAS 6 Gb/s 7.2 K 8.9cm HP 1TB HDD Now I need to buy: HP SAS 6G 7.2K SFF 6.4cm SC 1TB HDD to install also ...
1
vote
1answer
107 views

How to mirror storage array over a WAN

We are looking at adding a SAS storage array to a server and would like to mirror the array (or partitions) to a remote server with another array. The server is running VSphere 5 (in case that ...
-1
votes
1answer
416 views

What are the best practices to mirror a web app? [closed]

I'm using a dedicated server which virtualize Linux machines, the data-center is located in Europe. All the virtual machines are Linux servers, one is the Apache front-end while another is Mysql ...
0
votes
1answer
132 views

Freshly cloned mirrored drive with Acronis true image and rsync wrongly detects changed files, windows rsync 3.0.7 cygwin windows

Is there a way to help rsync better detect that files are identical? I did a fresh full disk "clone" mirror with Acronis TrueImage and after did an rsync to test and it detected a bunch of files as ...
0
votes
1answer
217 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 ...
1
vote
2answers
1k 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 ...
1
vote
2answers
1k views

Is there a way to create an EFI partition smaller than 1MB or am I reading partition sizes wrong because the disk has been converted to Dynamic

I have been trying to get add a Mirror to my System drive in Windows Server 2012 R2 and I've been getting the error: All Disks holding extents for a given volume must have the same sector size ...
1
vote
1answer
1k 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=, ...
8
votes
0answers
157 views

Configure Juniper M320 as Ethernet/STM transparent converter

There is Juniper M320. We need to move ALL the traffic from one port to another. Everything that comes to one port goes to another and vice versa. No snooping or any other processing is required. One ...
2
votes
2answers
4k views

Mirroring harddisk with compressed files with Robocopy

I tried to mirroring an existing disks on a new disks with less space. It is very important that the file structure, attributes and ACL's are exact as on the source disk. For this I tried robocopy....
0
votes
0answers
87 views

SQL Server Witness Server Alternative Approach

I have the setup below: 3 Database Servers 1 DR Database Server 1 Domain Controller 1 DR Domain Controller Currently I have the DR domain controller acting as the mirroring witness for the 3 ...
-1
votes
1answer
204 views

Debian live server mirroring (copy) of main server [closed]

I am installing a debian server and I need to install a mirror of that server, so that in case of problems with the main one, the users can connect to the mirror transparently. Any change in the main ...
2
votes
1answer
610 views

How do I specify what PVs are used for mirroring when adding a mirror in LVM to an existing LV?

I've got an existing VG containing a single LV on a RHEL server that consists of a handful of SAN disks. In an effort to migrate the server to a newer SAN, I'd like to mirror the existing storage to ...
2
votes
1answer
1k 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 --log=/home/dog/...
0
votes
1answer
2k views

Sql Server Transaction Log Backup Fails

I have a Sql Server 2008 Standard version. Mirroring is set up on the server in full safety mode. Its been working fine till today. The transaction log back-up fails every-time with an error "Error: ...
-1
votes
2answers
45 views

SQL Mirroring on Live System? [closed]

My project has a SQL 2008 database with production data on it in use at all times. We need to move our entire production network from one hosting environment to another. We've already stood up the ...
0
votes
0answers
197 views

mdadm reattached a failed drive all by itself

I have 2 drives setup in mdadm mirroring (3 partitions on each drive). Last week the second drive (sdb) dropped out of the array because of some I/O errors I am still investigating. After a server ...
0
votes
2answers
4k 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 ...
-1
votes
1answer
887 views

Real Time Data Mirroring in Linux Servers [closed]

Which are the different techniques available for real time data mirroring / backup of full server to restore it from a entire system crash? Is it better to purchase a separate server for data ...
7
votes
4answers
929 views

Can RHEL6 servers be “copied”?

My company needs to setup a development server and we already have 2 production RHEL 6 servers working under a L4 switch. One of the solutions to setup the dev server was to simple copy all files ...