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Questions tagged [mirroring]

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Is Windows disk mirroring more likely to lead to unbootable system than hardware RAID1?

Our server provider has suggested that we use NVMe drives with Windows disk mirroring for our new servers, instead of SATA drives that are connected to Adaptec hardware RAID controller and configured ...
Barny's user avatar
  • 51
0 votes
0 answers
161 views

Hyper-v Port mirroring

I have traffic flows from switch to physical port on a server in which should mirror the traffic to a virtual switch which is connected to a sensor. I have tried the following links but the vSwitch ...
Jaz's user avatar
  • 105
0 votes
1 answer
209 views

How to mirror traffic and remove duplicate at destination

I would like to send same trafic over two vpns (udp), to the same server (ubuntu 22.04 with two different WAN interfaces). /-WAN1-> VPN1 client-\ App-server <-> ...
user3604359's user avatar
1 vote
1 answer
557 views

nginx mirror directive not working

I am trying to mirror a request that coming to one of our services, nginx is acting as the web server. I've used the mirror directive to proxy the requests to an AWS ALB, but it seems that nginx is ...
Omera's user avatar
  • 15
0 votes
2 answers
395 views

Traffic mirroring with nginx

Simply put using Nginx I am trying to mirror all the traffic hitting one of our apps, app A to a newly deployed test app. I know that there is the mirror module but I was wondering if there is any ...
Omera's user avatar
  • 15
0 votes
1 answer
1k views

docker registry-mirrors is not used for fqdn images

I have a docker server behind a firewall, so I cannot pull images directrly from any registry besides internal servers. I have configured two registry mirrors (registry-1.docker.io and mcr.microsoft....
SWilk's user avatar
  • 181
2 votes
2 answers
3k views

Why is mirroring debian-security a bad idea?

I'm setting up a debian (apt) mirror for internal networking (approximately 250 devices, including containers and vms). I'm using debmirror with rsync to mirror relevant packages. This drastically ...
cegfault's user avatar
  • 185
0 votes
1 answer
407 views

lftp: avoid creating the directory being mirrored

I am using the following to mirror a directory on my local machine: echo "set ssl:verify-certificate no" >> ~/.lftp/rc lftp -c mirror --verbose=3 https://x.com/nlp_data This ...
HappyFace's user avatar
  • 161
1 vote
2 answers
2k views

Trying to mirror my website with wget, but nofollow attribute is found , and I cannot download anything more than index.html

I am running a wordpress site on a Ubuntu 20.04 based LEMP server. I have the pagespeed plugin enabled, and in order to force it to cache my website, I am using wget from a different box to mirror the ...
DanRan's user avatar
  • 93
1 vote
0 answers
742 views

Windows-Server-2019 - Raid 1 Software - Could not convert Disk to Dynamic security enabled on Disk

I installed a fresh Windows Server 2019 on ONE of two identical Crucial CT1000MX500SSD1M. I don't have an integrated RAID controller on my MB ASUS_H110m-A/M.2 so I wanted to try a software RAID 1, ...
Francesco Russo's user avatar
-1 votes
1 answer
175 views

How to Mirror MariaDB schema into Mysql? [closed]

We are using MariaDB for our main service and Mysql on another for our ATM machines, I trying to fetch all the data and to have all the transactions available. I don't know if this is possible because ...
ikenas's user avatar
  • 131
1 vote
0 answers
1k views

From mdadm raid to LVM (raid or mirror) decisions and how to monitor

We are migrating some server from linux raids (0 and 1) to LVM with stripe or mirrors. At the moment our systems are mainly configured something like | /tmp - /home - /others |------------------------...
luison's user avatar
  • 272
4 votes
1 answer
1k views

Error when add mirror in disk management window server 2012

I have a problem when add mirror in disk management window server 2012 The problem is: The operation failed to complete because the Disk Management console view is not up-to-date. Refresh the view by ...
hoan's user avatar
  • 41
0 votes
1 answer
415 views

Best way to mirror a large drive onto two smaller ones

I have an 8.0 TB Drive which will soon start filling up with videos I have two spare 4.0 TB Drives The system is running Linux Mint 19 Tara and is my desktop system (Yes it's a big system able to ...
Jesse the Wind Wanderer's user avatar
1 vote
2 answers
413 views

website being mirrored by another domain

So my website is being mirrored by another domain name, I tried many ways to block the access from that specific domain but no hope, I am using cloudflare CDN and the website mirroring my site using ...
Allae Eddine's user avatar
1 vote
2 answers
546 views

Mirrored filesystem

I was thinking of mirroring a couple of directories across a number of (Linux) servers on my local network. Google gave me this article. But it is almost 10 years old. So, I image the state-of-the-...
Mausy5043's user avatar
  • 1,347
3 votes
0 answers
1k views

Hyper-V and physical switch trunk port SPAN/mirroring

I'm new to the Hyper-V and trying to setup a lab. Here is my setup: Cisco switch with a SPAN port (configured to mirror in/out, replicate the encapsulation, source port for the span is a trunk). I ...
Maria's user avatar
  • 31
1 vote
0 answers
44 views

Can I receive HTTP Format packet (raw data) by using VPC Mirroring on AWS?

AWS launched a new service named VPC Traffic Mirroring. I wonder if I can receive HTTP Format packet(raw data) by using this service on between ALB(src) and NLB(dst). Do I have to decrypt this ...
Gisu  Lee's user avatar
1 vote
0 answers
102 views

Mount both sides of ZFS mirror to different mountpoints (AKA Glusterfs is choking)

We have two SuperStorage Server 6049PE1CR36L each with 24 - 4TB disks. At the moment we are running Ubuntu 18.04 but this is negotiable if it helps solve our problem. We are using Ext4 as the OS ...
BurningKrome's user avatar
1 vote
0 answers
34 views

How to Boot to Mirrored ZFS Drive

I would like to clone an existing operating system environment. I currently have a Solaris 10 running ZFS mirrored drives on a Sun Fire x4100 box. Can I take one of the mirrored drives, remove from ...
Dorothy's user avatar
  • 179
2 votes
0 answers
372 views

How can I (as a user) check if AP isolation is enabled for a Wi-Fi network? [closed]

I suspect AP isolation is enabled on the Wi-Fi network at my workplace as I can't cast my phone screen to another device that supports Miracast. Casting works just fine on my home network with the ...
Vinayak's user avatar
  • 141
2 votes
1 answer
287 views

Are my EFI partitions mutually bootable? How to interpret the output of efibootmgr -v

I have two GPT formatted disks both starting with EFI partitions and followed by a single physical raid partition. I installed ubuntu-server 16.04 with software raid over these two raid partitions and ...
ezekiel's user avatar
  • 265
0 votes
1 answer
29 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 ...
Shirish Mishra's user avatar
3 votes
1 answer
1k 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 ...
reidi2000's user avatar
  • 131
5 votes
1 answer
2k 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'...
Massimo2013's user avatar
0 votes
2 answers
2k 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 ...
Renver's user avatar
  • 11
7 votes
2 answers
2k 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 ...
smellyarmpits's user avatar
1 vote
0 answers
86 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....
Mark's user avatar
  • 47
2 votes
1 answer
2k 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 ...
smellyarmpits's user avatar
0 votes
1 answer
473 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 ...
rvabdn's user avatar
  • 245
1 vote
1 answer
5k 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 ...
Anand Shrestha's user avatar
1 vote
2 answers
19k views

Robocopy logs of each day in a separate text file?

I'm using the batch file below: @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 creates a ...
Farrukh Khan's user avatar
1 vote
1 answer
2k 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-...
user3069488's user avatar
0 votes
1 answer
653 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 ...
n00buser's user avatar
4 votes
2 answers
255 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 ...
Mark's user avatar
  • 217
0 votes
1 answer
273 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, ...
jshapy8's user avatar
  • 103
1 vote
0 answers
307 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 ...
Eugen Konkov's user avatar
0 votes
2 answers
338 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 ...
Master DJon's user avatar
3 votes
2 answers
1k 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 ...
Allan Xu's user avatar
  • 695
1 vote
2 answers
2k 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 ...
Allan Xu's user avatar
  • 695
0 votes
1 answer
253 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-...
user276289's user avatar
0 votes
1 answer
380 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/...
Alan Liddell's user avatar
0 votes
1 answer
59 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 ...
Quiescent's user avatar
  • 125
-1 votes
1 answer
35 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 ...
spandgs's user avatar
1 vote
3 answers
2k 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 ...
Cyrill Gremaud's user avatar
2 votes
1 answer
4k 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 ...
Josiah Yoder's user avatar
0 votes
0 answers
65 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 ...
sai garimella's user avatar
0 votes
1 answer
369 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 ...
user3292433's user avatar
0 votes
1 answer
600 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 ...
Huzefa Akhter's user avatar
1 vote
0 answers
722 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 ...
Drakey's user avatar
  • 11