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1
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0answers
20 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 ...
0
votes
0answers
17 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 ...
0
votes
1answer
49 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
30 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
35 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
196 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
61 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
851 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 ...
2
votes
2answers
90 views

Mirror/Cache Websites on a Mobile Server

I have been asked to determine the feasibility of mirroring or caching websites on a mobile server on a train. Unfortunately, this has been dropped on me at the last minute and I have to come up with ...
1
vote
1answer
20 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 ...
0
votes
0answers
22 views

Get the mirror status using WMI on Windows Server 2012

i try to get the mirror health of on an Windows Server 2012 using WMI. Does anyone know how to do this?
2
votes
1answer
153 views

Redundancy level on a per file basis with BTRFS?

I would like to have one storage pool with multiple disks. Raid5 for metadata of course. But for user-data I would like to set the level of redundancy on a per file or per subvolume level. Can BTRFS ...
0
votes
0answers
164 views

Using iptables to log traffic from port mirroring

I configured one port of my switch to do port mirroring of the other ports. I connected to this port mirroring a server where iptables has some rules. If some rules are matched, iptables sends to the ...
2
votes
0answers
815 views

Server 2012 (R2) - mirroring the boot drive… what is the state?

I struggle to find modern documentation here. So far we have been booting our servers from the main RAID controllers. Worked nice, but not we get the first of a new generation that hs in the back 2 ...
-1
votes
1answer
57 views

Does RAID1 also checks for corruption? [closed]

I have two 1.5 TB disks, and I don't trust both of them because of weird noises and bad clusters. I was wondering if I put them in a software RAID1 array (mirrored volume in Win7) it will write my ...
0
votes
1answer
231 views

High Availability on Windows Azure Websites

One of my main apps is hosted on Windows Azure's Websites platform. Given Friday's downtime, I realized that I need something that allows my app to stay online if Azure has an outage again. My ...
3
votes
3answers
2k views

Copy/Mirror traffic to WAN interfaces without “iptables tee” support

I want to copy every outgoing packet to others WAN interfaces but my iptables (v1.2.7) has not TEE target support. I wonder if there is another way (maybe using iproute2 or ebtables) to copy every ...
-2
votes
3answers
117 views

How to setup a mirror server for a popular website? [closed]

I currently have a website hosted on a dedicated server which is under a lot pressure due to high amount of visitors. What I need to do is to have a backup server in order to serve the visitors in ...
1
vote
1answer
117 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 ...
0
votes
5answers
132 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 ...
1
vote
1answer
19 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
votes
1answer
158 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 ...
0
votes
1answer
75 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 ...
1
vote
1answer
513 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
610 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
votes
4answers
1k 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 ...
2
votes
1answer
944 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
votes
2answers
398 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
votes
1answer
7k 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. ...
1
vote
3answers
2k 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 ...
0
votes
0answers
129 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 ...
1
vote
2answers
96 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 ...
0
votes
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 ...
1
vote
1answer
102 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
votes
1answer
52 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 ...
2
votes
1answer
122 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
vote
1answer
494 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
vote
1answer
87 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, ...
4
votes
1answer
2k 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
vote
4answers
180 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 ...
0
votes
5answers
137 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
votes
1answer
148 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 ...
0
votes
1answer
235 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 ...
2
votes
2answers
52 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 ...
1
vote
1answer
777 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
votes
1answer
310 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 ...
4
votes
3answers
1k 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
1k 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 ...
1
vote
4answers
4k 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 ...
1
vote
1answer
922 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 ...