The mirroring tag has no wiki summary.
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1answer
18 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 ...
0
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1answer
24 views
Sql Database Mirroring in a workgroup
I found an article explaining almost everything I need to know here:
http://www.sqlservercentral.com/blogs/kendalvandyke/2011/12/01/database-mirroring-in-a-windows-workgroup/
The only difference ...
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1answer
38 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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1answer
74 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 ...
3
votes
1answer
144 views
iptables + TEE doesn't work correctly
On my server, I want to duplicate all the traffic to an other host. I use iptables with TEE module:
iptables -t mangle -A PREROUTING -i eth0 -j TEE --gateway IP_SERVER2
I check the rule: iptables ...
2
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4answers
362 views
Statically mirroring a heavy trafficked site, CloudFlare as DNS
I run a fairly heavy trafficked website and due to some unfortunate incidents the machines that are in my cloud at Linode went down. And I have only a single Load Balancer machine exposed to the ...
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0answers
84 views
ovs-vsctl Open vSwitch SPAN Por Mirroring
I have configured the port mirroring with Open vSwitch, from VM n°A with vif11.1 interface to VM n°B with vif15.1 interface in order to get the UDP SIP stream on B .
root@blade:~# ovs-vsctl -- set ...
2
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1answer
108 views
Mirror directory, only purging files in destination directory older than 7 days
I would like to mirror a directory, but only delete files in the destination directory older than 7 days.
Situation:
- Directory A is mirrored to Directory B.
- A file from Directory A is deleted
...
0
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1answer
120 views
secure synchronization of large amount of data
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 ...
0
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1answer
2k 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
478 views
Sync/mirror directory with Rackspace Cloud files bucket
What tool can I use to synchronize the content of a local directory with that of a Rackspace Cloud Files bucket?
I need a rsync-like application to do a mirror, not a backup application. What I want ...
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0answers
100 views
unmount failure because of process in D stat
Please suggest me how I can create a process in D (uninterruptable sleep) stat on mirror disk. Actually there is some bug in other code, that process some times create a process with D stat on MD and ...
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2answers
87 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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2answers
461 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 ...
1
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1answer
79 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.
...
0
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1answer
48 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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0answers
93 views
For a simple replication over 2 server computers, should I use glassfish replication or ubuntu replication, or something else?
I want to set up a simple replication or exact mirroring, using 2 server computers I just bought, for the following purpose:
I want to set up some websites, which, by design, may eventually need to ...
1
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1answer
236 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 ...
1
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1answer
60 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, ...
3
votes
1answer
853 views
What's the difference between “mirror” and “raid1” in LVM?
On the lvconvert(8) man page it says:
--type SegmentType
Used to convert a logical volume to another segment type or to
explicitly state the desired RAID1 segment type ("mirror" ...
1
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4answers
153 views
MS Sql Server Mirroring
We are looking at mirroring a MS SQL database (for a web application) due to the unique way the application was developed, each user has a SQL server Login user account which has permissions to our ...
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5answers
124 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 ...
0
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1answer
118 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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1answer
186 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
51 views
Raid controller for an old server [closed]
I'm trying to find a PCI Raid controller for an old machine that only has 64bit/33MHz PCI slots.
It's now being used as a file server and uses a couple of old PATA drives with Windows Server ...
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0answers
111 views
Duplicate of MS SQL DB - mirroring or service broker?
We have a database (source) located at a place, where data transfers are expensive. We need to have a duplicate of this DB (target) locally, and make sure it gets updated with recent data once a day. ...
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1answer
293 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)
...
0
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1answer
225 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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0answers
190 views
Rsync receives incremental file list, but doesn't transfer
I am trying to use Rsync to transfer files between two servers. Rsync builds the incremental file list, but doesn't transfer anything. I am using Ubuntu Server on both machines. I am using the ...
4
votes
3answers
623 views
Clone/Mirror Live Linux (Debian) Server
I've probably read every serverfault article on this matter, but none seems to answer my specific question or they seem like dated methods.
I have a live running debian (Lenny) system on Dell ...
3
votes
1answer
988 views
High Availability NFS Server (Heartbeat/DRBD) long hang on clients when takeover occurs
We have a High Availability NFS environment using DRBD, heartbeat and nfs exposed to clients (Simular to the following https://help.ubuntu.com/community/HighlyAvailableNFS ). This seems to be a ...
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4answers
1k 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 ...
0
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1answer
489 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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2answers
184 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 ...
4
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4answers
5k views
How to build a high availability Postfix system?
I'm needing to set up a remote mirror for a postfix server (where the content of both mail servers should be the same at any time).
The idea is that if the main server comes down at some point the ...
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2answers
494 views
How to Mirror or Clone a Spanned Volume in Windows 2008
I have a spanned volume (3x6+ TB disks spanned to one 20+ TB volume) that I need to mirror or clone to a new 20+ TB (unspanned) volume. Once mirrored or cloned I'm going to destroy the original ...
3
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1answer
665 views
Can wget convert links within a local html document?
I know that wget can fetch a remote page and its dependencies and rewrite the html so that image src attributes reference the newly downloaded images.
I am trying to convert local html files that ...
0
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1answer
135 views
SQL connection with mirroring still working after a failover
I have a windows service application that is instaled on two servers, SQL01 and SQL02. On both server there is a SQL server (X1 and X2), which have the same content. A mirroring partnership was set up ...
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3answers
468 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
392 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 ...
2
votes
4answers
275 views
Cross-server file mirroring with minimal latency
Platform: Ubuntu 10.04 x86.
We have a HTTP server (nginx, but that is not relevant) which serves some static content. Content is (rarely) uploaded by content-managers via SFTP, but may be changed / ...
7
votes
2answers
361 views
convert 1x2TB HDD with LVM into 2x2TB HDD with RAID1+LVM or with LVM mirroring?
I have Ubuntu server with 1x2TB HDD and 1x128GB SSD (unused). There are 2 partitions: /boot, and a physical volume for LVM, which has 1 group and 5 logical volumes: /, /var/log, /home, /srv, /tmp.
...
1
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5answers
1k views
mirrored filesystem across a few servers
I'm looking for a solution to mirror or replicate one directory (or one filesystem) across a few Linux servers. Ideal solution would be one, which permits all servers read-write access. I also want it ...
2
votes
1answer
117 views
Server redundancy or failsafe for small single office server
We run a local server in our office, and have a domain name pointed to it so we can test out sites we build. We also handle some image hosting for clients for emails.
Since it's a single server, if ...
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2answers
121 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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0answers
114 views
SQL Server 2008 R2 Data Mirroring issue
I'm trying to setup Data mirroring between 2 servers.
Error: “The server network address “TCP://servername:5022″ can not be reached or does not exist. Check the network address name and that the ...
0
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4answers
2k 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
...
1
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2answers
104 views
Database Snapshots of Mirrored databases affect performance of Principal database?
I have 2 servers set in Mirroring High-safety. One is Principal and another in Mirror.
Currently I have 2 snapshots of a Production database (100 GB size) created on Principal server (for no_lock ...
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3answers
488 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 ...
1
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2answers
103 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 ...
