The tag has no usage guidance.

learn more… | top users | synonyms

0
votes
0answers
7 views

Solaris 10 Update 8, ZFS boot/root zpool and moving disks around

One of my OLD machines is running solaris 10 Update 8 (x86). It has a mirrored ZFS I use for "root zpool". Both disks are failing so I plugged a new disk in a USB port and attached the new disk to ...
-2
votes
3answers
36 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 ...
0
votes
0answers
48 views

Windows Server 2012 Software RAID 1 with dynamic disks; mirror two drives to one larger

Lets say I have 3 SSDs: 1.) 120 GB, 1 Partition 2.) 128 GB, 1 Partition 3.) 250 GB, Mirror Is it possible to mirror both the partition from SSD 1 and SSD 2 to the large third SSD? Such that the ...
0
votes
1answer
23 views

How to mirror storage array over 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 ...
0
votes
0answers
35 views

backing up millions of files and 1 tb [duplicate]

I'm trying to find a fast solution that can transfer about 3 million files taking up about 1tb of space. So far after a bit of research my choices seem to be lftp and rsync. Which option would work ...
-1
votes
1answer
68 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
35 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
45 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 ...
0
votes
2answers
183 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 ...
0
votes
1answer
225 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
181 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=, ...
5
votes
0answers
108 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
859 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 ...
0
votes
0answers
133 views

can someone explain traffic control `mirred egress redirect`

I am using the following traffic control command to redirect traffic from one interface to another, however I don't quite understand what's happening here. Can someone please explain me what're we ...
0
votes
0answers
46 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
81 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
87 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 ...
1
vote
0answers
184 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
773 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
39 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
94 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
1k 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
296 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
886 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
123 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
22 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 ...
2
votes
1answer
379 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
231 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
1answer
1k 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
61 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
525 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
3k 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
129 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
227 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
267 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
22 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
390 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
101 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
858 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
884 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
2k 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
2k 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
588 views

How to transfer large files between two remotes by using a third machine?

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
11k 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. ...
5
votes
5answers
3k 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 ...
1
vote
2answers
97 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
2k 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
105 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
56 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
128 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 ...