Questions tagged [mirroring]
The mirroring tag has no usage guidance.
174
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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" ...
- 222
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4
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482
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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 ...
- 111
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5
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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 ...
- 277
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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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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 ...
- 259
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2
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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 ...
- 119
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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)
...
- 233
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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 ...
- 279
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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 ...
6
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1
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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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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 ...
- 1,082
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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 ...
Toby
0
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2
answers
389
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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 ...
- 261
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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 ...
- 151
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3
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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 ...
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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 ...
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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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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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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 ...
- 276
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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 / ...
- 2,493
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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.
...
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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 ...
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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 ...
- 277
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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 ...
- 133
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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
...
- 418
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2
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611
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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 ...
- 600
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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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124
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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 ...
- 3,880
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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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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!
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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 ...
- 3,880
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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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How can i mirror a particular branch in one Subversion repo to a particular branch in another repo?
EDIT:
Actually, after playing with Timeline some more this is going to be a non issue. The UI is confusing because its not necessarily meant to work with multiple repos, but it does work since each ...
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How to handle one-way synchronization of two Oracle databases with no network connection?
Here's the situation:
I have two Oracle 10g databases (with the same tables, etc.) that cannot be connected by network. At some regular intervals (say, once a day) I need to be able to update the ...
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Performance lag for database replication
My company is really sensitive about keeping up the performance on our core system. Our users also have a requirement to replicate or mirror all data to another location (in another location within ...
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7
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What is a practical way to mirror an Amazon S3 bucket?
I want to mirror my Amazon S3 buckets. I want to do this because 1) I don't want all my data only existing with one provider; and 2) in case of software error or security breach I want to have the ...
- 173
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Windows Server Almost Real-Time Directory Replication
The environment
Windows 2003 R2 Standard File server
Windows 2003 Web Edition server
The challenge
Need a way to mirror a directory (or share) from the file server to the web server. It needs to ...
- 3,434
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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 ...
Geo
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3
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Any disadvantages of using built-in software-RAID-1 on a Windows Server?
I have had some problems using hardware-RAID on a server. Now I'm planning to use the Windows Server built-in software-RAID-1 instead. The server will only be used for Business Administrations, so I ...
- 1,227
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2
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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 ...
- 911
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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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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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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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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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Unix server mirroring solution
We have three servers running Ubuntu Server 10.04, load balancing between them through DNS. We use Django, nginx to serve content and PostgresQL as database.
For PostgresQL, there are some mirroring ...
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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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can I replicate systems using a RAID1 array?
I have four DL380-G5 servers.
one is currently running RH5.2 using a RAID1 drive set.
I want to replicate the first server to the other three.
I am thinking I can yank one of the drives from the first ...
calikoala
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2
answers
121
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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 ...
asker
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2
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1k
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Failover tmpfs mirroring. Am I doing it right?
My goal is to have a certain directory to be available as tmpfs.
There will be some modifications during server uptime in this dir and those modifications must be synced to non-tmpfs persistent dir on ...
- 336
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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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