Read Errors Mapping Input/output Error 5
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Rsync Failed Verification
fix a Input/output error in Linux? up vote 6 down vote favorite 2 I am running a daily backup with rsync. Starting some days ago, one of the files has been throwing this error during the backup: rsync: read errors mapping "/home/folder/file.ext": Input/output error (5) WARNING: /home/folder/file.ext failed verification -- update discarded (will try again). What's the best course of action? Is it just a broken file? Or is there something wrong with input output error 5 mac the hard drive in the location of the file? Should I just delete it and copy one of the backed up versions into the file's location? Or is there something else/more that I should do? linux rsync share|improve this question edited Jul 25 '14 at 21:06 An Dorfer 1,2042513 asked Nov 16 '13 at 5:47 uncovery 5012418 add a comment| 1 Answer 1 active oldest votes up vote 8 down vote accepted The rsync error read errors mapping ....: Input/output error (5) indicates the impossibility of rsync to read or write a file. The most likely causes of this error are disk defects, either in the SRC or in the TGT directory. Other possibilities however include insufficient permissions, file lock by anti-virus programs, and maybe other causes. The first step toward a diagnosis is to try to copy the files manually. This may work if, for instance, the source of the error was a disk defect in the TGT directory; by repeating the operation at a later time, you will write into a different section of the disk, and the problem may have evaporated. Alternatively, you may discover that you cannot access the file in the SRC directory. In this case I suggest that you employ any of the disk checking utilities available to your distro. Insufficient
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Input/output Error Linux
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Rsync Recv_generator Failed To Stat Input Output Error 5
site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and http://superuser.com/questions/676649/how-to-interpret-and-fix-a-input-output-error-in-linux rise to the top Read Errors Backing Up To NFS via rsync up vote 1 down vote favorite I'm backing up a linux box to a NAS mounted via NFS. I'm using rsync (as part of a scheme along the lines of http://www.mikerubel.org/computers/rsync_snapshots/ with hard-links). That is I ssh into machine_being_backed_up, start my rsync command, it backs up files for about an hour or so, and then freezes the http://serverfault.com/questions/312076/read-errors-backing-up-to-nfs-via-rsync server (e.g., needs to be physically rebooted; which is very inconvenient as the servers in another building across town so takes time to reboot) the error at the end being (with actual names anonymized): some/path/file1.gz rsync: read errors mapping "/home/some/path/file1.gz": Input/output error (5) some/path/file2.gz rsync: read errors mapping "/home/some/path/file2.gz": Input/output error (5) some/path/file3.gz This is likely indicating that the hard drive on the machine I'm trying to back up has some faulty sectors, correct? Or could that error arise from the NFS connection being too slow or choosing the wrong options when mounting my NFS drive (mounting with rw,soft,intr options)? Is there anyway to make these input/output errors just skip/fail those files, and not freeze the system (so I don't have to go across town to reboot the server)? Update: I turned on SMART yesterday and ran short and long selftests yesterday that reported no errors (yesterday I couldn't mention this as the long test finished around 7p and the computer crashed around midnight so I could login until this morning when I could on-site reboot). Also I tried rsync-ing the in question files to a different partition on the same drive and didn't get any errors. I'm now trying to rsync directly to the
Member Registered: 2014-03-17 Posts: 351 rsync read errors mapping I was running my weekly maintenance script, which includes a back up, and ran into an error with a file. I rsync, https://bbs.archlinux.org/viewtopic.php?id=202827 with "-aAXhi --delete --checksum --delay-updates --delete-delay --stats" and haven't had a problem before.First off, everyday I run rsync with the same options as my weekly script sans "--checksum". Also everyday I http://forums.debian.net/viewtopic.php?t=64741 make a btrfs snapshot and move old snapshots down the line. In my weekly script I make two backups, one from the current Arch installation subvolume, and another from a two output error day old snapshot.The rsync from the active installation went fine, however the one that was two days old game me a "rsync read error mapping ... input/output error (5)", where the file mentioned was "var/log/cups/access_log.2". I checked the permissions of all files first and they were all "-rw-r--r--" as given by "ls -l". I then tried to read from the files, in input/output error (5) case of some kind of data corruption issue. The data corruption shouldn't be source side since the rsync is preceded by a scrub which didn't raise any flags. In anycase, the files read just fine and appear to be the same.I found this thread on superusers.com, but aside from what I've done, it didn't get anything out of it.[edit] Note that I am rsyncing to an ext4 partition on an HDD not used for the system volume. Also, I don't rsync daily to the two day old back up. That's a weekly thing. Last edited by nstgc (2015-09-23 23:30:52) Offline Pages: 1 Index »Applications & Desktop Environments »rsync read errors mapping Board footer Jump to Newbie Corner Installation Kernel & Hardware Applications & Desktop Environments Laptop Issues Networking, Server, and Protection Multimedia and Games System Administration Other Architectures Announcements, Package & Security Advisories Arch Discussion Forum & Wiki discussion Pacman & Package Upgrade Issues [testing] Repo Forum Creating & Modifying Packages AUR Issues, Discussion & PKGBUILD Requests GNU/Linux Discussion Community Contributions Programming & Scripting Other Languages Artwork and Screenshots Atom topic feed Powered by FluxBB