The tar archive format and/or the command-line utility for working with tar files.

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4
votes
1answer
189 views

GNU `tar` runs `stat` on an excluded directory. Is it normal?

I'm running tar as root like this: cd / tar --create \ --verify \ --exclude-backups \ --exclude-caches \ --auto-compress ...
3
votes
1answer
63 views

Compose and pipe a gzipped tar archive in one go

I'm trying to come up with an effective way to create a gzipped archive of various system partitions on Android, piping everything out to stdout so as to be able to encrypt it as it comes across via ...
2
votes
0answers
84 views

tar: /dev/st0: Cannot write: Input/output error

When we attempt to use tar to write data to an LTO-5 tape, we get the following error. The device starts to write, and then fails. See the tar command and output, followed by the dmesg output. I ...
2
votes
0answers
58 views

debootstrap terminates partway through with “stdin: not in compressed format”

I'm on an Arch GNU/Linux system, fully up-to-date (both official repositories and from the AUR). I'm attempting to install a copy of Debian Wheezy so that I can chroot into it and work with the ...
2
votes
0answers
37 views

How can I capture a consistent snapshot of a directory and all its children?

We have an application that periodically backs itself up to a directory on the local file system. Inside this directory are several more files and directories. I want to produce a "snapshot" of all ...
2
votes
0answers
45 views

Corrupt files after extracting with Cygwin's GNU tar

I have a bunch of tarball backups which I just restored onto my new Windows 8.1 + Cygwin system using GNU tar: zsh$ for file in **/*.tgz; do tar xvzf $file; done To my surprise a lot of these ...
2
votes
0answers
65 views

Make Tar Incremental Backups into One Backup?

Well, I know this question is quite strange. I have done a lot of incremental backups. It makes the total file size is too large, because there are a lot of duplicated files with similar contents, and ...
2
votes
0answers
302 views

How to fix the corruption of the tar balls?

I was making a complete server backup and tried making the tar balls of each directory structure by using the following commands: nohup tar -cvf - /etc | gzip -9 -c > /opt/Backup_4_Jan/etc.tgz ...
1
vote
0answers
101 views

linux tar listed-incremental untrustworthy

I'm looking for some way to troubleshoot incremental backups with tar on linux. I've got huge datasets (about 3TB) that need backing up to tape. For this I use the linux tar command and mt / mtx on ...
1
vote
0answers
117 views

Disk partition emptied during tar backup

This morning I was doing a routine backup of my development drive, one of 4 primary partitions on my hard-drive. The script I ran was: filename="/home/Backups/Devi_"`eval date +%Y%m%d`".tgz" touch ...
1
vote
0answers
182 views

How to do incremental backup of .img files containing windows partition?

On an OVS I have a few windows machines. I want to create a full backup their .img disk files, thats done, .img.gz. Than I want to incrementally backup their C:/ partition, but thats not working. ...
0
votes
0answers
73 views

Archive (Compress) giant folder in Linux using command line without termination

Well, I'm just trying to compress a whole directory (infact giant!) under Linux using a terminal. The entire folder size is about 7 GB. I've used below command to create the archive. tar -zcvf ...
0
votes
0answers
58 views

TAR not excluding directories with date pattern

I've written this small script: #!/bin/bash TODAY=`date --rfc-3339=date` CHECKDATE=`date --date "2 days ago" --rfc-3339=date` FILENAME=$TODAY-package.tar tar cvf $FILENAME --no-recursion ...
0
votes
0answers
21 views

How to set ST_BUFFER_BLOCK in centos6.5

To enable large transfers to tape under Linux (>64 KB per write), i have to set the ST_BUFFER_BLOCKS for that i have to edit the file /usr/src/linux/drivers/scsi/st_options.h and change the ...
0
votes
0answers
69 views

Extract specific folder from a tar.gz

I know this question was previously asked on this site before like here 1 and here 2 but no success for me. I want to extract the Measures folder from my S012011_csv.tar.gz zipped file. If I do tar ...