similar to: differential backup using deltas.

Hi We have an issue with one of our clients , they have a mail server with the /var/spool/imap partition as 150 GB . They need to take differential backup on to /backup partition ( a different HDD of total 250 GB space ) . We have tried dar , rsync, rdiff and impasync . But its is not sufficing the need as to take a lot of time and consumes a lot of I/O . Is there any back up solution that

Hello, I want mount directory of one server to another over internet. I was looking to NFS4, but there are no security mechanisms. I need encrypted connection using private key (something like SFTP). Or - if there is in CentOS repo (or EPEL) package, that can mount directory over internet using private key and make differential backup (like rdiff-backup). Thank you very much for links or other

Can anyone recommend a commercial off site remote backup service with a client (preferably FOSS) for CentOS 5, preferably that allows encryption of the data being backed up? Small scale, I'm primarily looking to just back up my mail folder on my server. I've been backing it up to local hd via rsync but that drive just died, I'd prefer to have it backed up to somewhere more stable

Hi, i am new to rsync and i want to use rsync to emulate rdiff behaviour (because i can't install rdiff on the system). What i would like rsync to do is to generate a diff file (like with rsync --write-batch) but WITHOUT changing the destination file. This would allow me to store daily differential updates on the target (i think hardlinking would not help me much as the file is changing every

>From what I understand, the incremental rsync algorithm saves on network bandwidth, but does rsync then just merge that delta data to end up with the new version and full sized file on the destination filesystem? I have these Microsoft Entourage databases files that modified often and can be a few gigs in size... I want to back them up with rsync, but if the whole file is backed-up each

Hi all, I've built a new backup server for our linux-clients. Is Amanda the way to go for a backup-solution? It seems to be pretty powerful, if a bit finickety to set up initially. The way we currently do backups is to use rsync from the clients to two folders on an older server that rolls over every other week. This worked fine for a while, but the rsync is cumulative and the users

Hi All, I am posting this querry second time. What i need is-- {Is there any command by which I can get only the updation of file ie only the incremental?. Suppose I have a text file say ss.txt of 3KB in size and I have taken the backup of this file. Now I am making the changes in to this file(ss.txt) by adding 1KB of data. Now I want this 1KB data (in to a new file) when I take the

Hi There, I've been toying around with the code of rsync on and off for a while, and I had a thought that I would like some comments on. Its to do with very large files and disk space. One of the common uses of rsync is to use it as a backup program. A client connects to the rsync server, and sends over any changed files. If the client has very large files that have changed marginally,

I'm still pretty new to running a mail server, but one thing I've come to appreciate over the years is a good backup strategy. Since I have always run my own servers for practice and for personal use I don't have access to Enterprise backup solutions. Because of that I usually just fall back to scripts and tarballs and offload the content on a regular basis. Right now I'm

Hi all. (I am sending this querry here because it is somehow relating to rsync. If i am wrong please pardon me.) I am doing following on these windowsXP and Vista. I am trying to get only incremental backup using "rdiff-backup" (that also uses rsync). I have installed gcc compiler and by following the steps given in http://katastrophos.net/andre/blog/2005/11/02/rdiff-backup-on-windows/

Hi all, Has anyone got any advice on the best way to backup Exchange mailboxes (Exchange 5.5) running on a Windows 2000 server? We already use rsync on a number of other Windows boxes for general file backup. I've read that even if you get backups of the Exchange mailbox files, then it's really tricky to get the mailboxes back into Exchange if the server dies. Anyone got any tips on

hello, I'm new to this list. here is my question: I would like to synchronize two computers (say the home one and the job one) using zip drives or similar (cdroms, etc), since modem lines are quite slow and expensive (in Italy). I though I could produce the "signature" of files on home computer, store it on a zip, go to job, run rsync to copy the missing or altered files on

On 24 Apr 2002, "Shirish H. Phatak" <shirish@tacitnetworks.com> wrote: > Since there appears to be a dedicated group of users and lots of > activity, maybe we can convince Martin to roll in these patches and make > a new release? I have been really lax in supporting librsync for the last few months, because of a new job and taking over maintenance of rsync

I'm trying to streamline a backup system using ZFS. In our situation, we're writing pg_dump files repeatedly, each file being highly similar to the previous file. Is there a file system (EG: ext4? xfs?) that, when re-writing a similar file, will write only the changed blocks and not rewrite the entire file to a new set of blocks? Assume that we're writing a 500 MB file with only

https://bugzilla.samba.org/show_bug.cgi?id=4793 Summary: link-dest hardlink does not always work well with -o -g -p Product: rsync Version: 2.6.9 Platform: PPC OS/Version: Linux Status: NEW Severity: enhancement Priority: P3 Component: core AssignedTo: wayned@samba.org

I just discovered two directories with the same number of files and the same number of hard links but different size: # stat /home/david/linuxburg/fax.old/docq_ps.nnnn \ /hdsync/home/david/linuxburg/fax.old/docq_ps.nnnn File: `/home/david/linuxburg/fax.old/docq_ps.nnnn' Size: 8192 Blocks: 16 IO Block: 4096 directory Device: 801h/2049d Inode: 52060

So I thought I'd get a head start for next week - I have a low-power Linux box that has a few samba shares mounted, and limited hard disk space. This box is connected to a tape library via SCSI card. I want to find the best way to create a full, then incremental backup of the samba mounts, directly to tape. Some of the samba mounts are appliances that cannot run any special

What I want to do is use rsync to back up a folder to an external drive. I would like to keep 30 days worth. For example: I have backups of June 1 - June 30. Once July 1 comes along, I want to keep June 2 - July 1 and delete June 1, and so forth. Any ideas how I can accomplish this? -- View this message in context: http://www.nabble.com/Rysnc-Schedule-tf4104577.html#a11672997 Sent from the

I'm trying to use the rsync algorithm for incremental backups. After a quick look at rsync I saw the batch mode operations, and I thought that maybe I can modify them for incremental backups. What is needed is to add an option to save the checksums of all the files of the level 0 backup and a second option to use the level n checksum to calculate the delta batch files for the level n+1

Il 07/05/2015 11:24, Marcin Trendota ha scritto: > W dniu 06.05.2015 o 21:21, Alessandro Baggi pisze: > >> What do you mean about Backup PC? >> Any experiences? >> What solution do you use? > > BackupPC is good, howewer it's a pity you can't search for a file in > GUI. But it works well, i'm backing up 32 hosts (servers, desktops). > > Can