rsync is a tool to efficiently copy directory hierarchies, locally or remotely, with powerful filters to decide what gets copied.

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4
votes
1answer
223 views

rsync's relationship with special files

I'm trying to transfer some existing backups from one system to another. The older backup system seems to have managed to back up special files like /dev/hda, /dev/tty0, and /dev/null which look like ...
4
votes
3answers
903 views

from a sparse file to a block device over the network

If I have a sparse file representing a block device, then how can I efficiently restore the file over a network? Ideally, I'd use rsync -S host:file /dev/sdb, but rsync won't write to block devices. ...
3
votes
2answers
2k views

Rsyncing files with special characters to USB FAT32

I want to copy a large number of files to a USB drive that is formatted FAT32 (and cannot be formatted anything else, unfortunately). Many of these files have names with characters such as : and ? ...
3
votes
4answers
1k views

Most Efficient way to back up/sync large directories over SSH

I'm looking to back up some large directories on a Dedicated Server to another Server on a daily basis using minimal bandwidth RSync looks like its up to the task but I'm unsure of the best command ...
3
votes
1answer
1k views

How to recursively synchronize file timestamps across servers?

Suppose I run an rsync command to mirror a server, but forget to supply the -t option. The mirror will now have different timestamps to the original. What is the easiest way to fix this, without ...
2
votes
2answers
108 views

pipe ls and awk to rsync

Trying to complete a script with the following steps: (1) select 1gig of most recently changed files across a number of subdirectories (2) preferably uses rsync to copy the files to local directory -- ...
2
votes
1answer
39 views

rsync selected subdirectories only

I want to rsync a part of my music library from external drive to my audio player. Generally speaking, say, there is a $source and $target directories, and a text file $subdirs with a list of ...
2
votes
1answer
103 views

Unable to well understand Rsync with include and exclude patterns

First of all, I really read a lot about this topic (including Rsync filter: copying one pattern only), but I still don't understand, or I have a problem with my installation... My structure "from" is ...
2
votes
1answer
5k views

Configuring anonymous rsync daemon

EDIT: I have since found that by using a folder in the root directory, things get a bit further - I can list the subfiles. So it really looks like permissions on the folder are the issue. I'm not ...
1
vote
1answer
113 views

configuring rsync for incremental backup and recovery

The setup is a NAS box on a lan mounted as NFS and the source is a laptop running an old kubuntu 10.4. Rsync has to be run as a local file copy, NAS box doesn't support an rsync daemon. How do I ...
1
vote
0answers
113 views

Absolute path in rsync dry-run statistics

I have executed following command in order to get the list of files that would be transferred to remote server if rsync is executed: rsync -avzm --stats --safe-links --ignore-existing --dry-run ...
1
vote
1answer
984 views

Why are there multiple rsync threads?

I use a single rsync program to backup a file system. by ps, I find there are four rsync threads or processes, two in R state (running) and two in S state (suspended?): $ ps aux | grep rsync root ...
1
vote
3answers
502 views

Smarter filetransfers than rsync? [closed]

I have a large file (2-3 GB, binary, undocumented format) that I use on two different computers (normally I use it on a desktop system but when I travel I put it on my laptop). I use rsync to transfer ...
1
vote
1answer
606 views

Caching write changes on SSD to avoid HDD spin-up? ZFS, but (probably) not L2ARC

I have a home server, which - between other things - stores my documents, mail archives etc.. It uses a ZFS RAIDZ, based on spinning hdds. The server also runs an off-line IMAP service, synchronizing ...
1
vote
1answer
685 views

How to let rsync additionally store an differential changelog in another directory?

I'm using rsync --link-dir to obtain daily snapshots with little space usage due to the hardlinking. It would however be nice to also have a directory that, while mirroring the original structure, ...
0
votes
2answers
3k views

Parallelise rsync using GNU Parallel

I have been using a rsync script to synchronize data at one host with the data at another host. The data has numerous small-sized files that contribute to almost 1.2TB. In order to sync those files, ...
0
votes
2answers
499 views

How to backup /etc/{,g}shadow files with 0000 permission?

I am trying to backup several servers' /etc by using rsync from another server. Here's a relevant snippet: PRIVKEY=/path/to/private.key RSYNC_OPTS="--archive --inplace --no-whole-file --quiet" ssh -n ...
0
votes
2answers
246 views

How to detect particular system call called or not in a whole workflow?

EDIT No. 1 My task is mirroring , i.e., copying updated data from master server to all mirrors, by using rsync and rsh. But during rsync and rsh, I found some delay. My thinking is , the reason for ...
0
votes
1answer
1k views

rsync with absolute paths and excluding subpaths

Say I have the following structure on path origin_path origin_path/X=1/A/... origin_path/X=1/B/... origin_path/X=1/C/... ... origin_path/X=2/A/... origin_path/X=2/B/... origin_path/X=2/C/... ... ... ...