[Help-tar] tar on Fedora to Drobo failing with Cannot close: Input/output error /bin/tar: Exiting with failure status due to previous errors

[Robert Kudyba]

This happens on 1 Fedora 25 workstation backing up a tar to a Drobo NAS. 

ERROR OUTPUT:

/bin/tar: /ourserver/etc-new.tgz: Cannot close:
Input/output error
/bin/tar: Exiting with failure status due to previous errors

STANDARD OUTPUT:
Failed to rename /ourserver/home-new.tgz to
/ourserver/home.tgz: File exists

Backup of /etc FAILED

Backed up /etc to /ourserver/etc-FAILED.tgz

Here’s the command in full:

/usr/local/sbin/drobo-backup -n -v -c /etc/drobo-backup.conf 

Reading configfile /etc/drobo-backup.conf

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/home-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed home --exclude=.gvfs --exclude='Windows 7.vdi'

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/etc-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed etc

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/root-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed root

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/usr-local-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed usr/local

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/var-lib-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed var/lib --exclude=/var/lib/yum --exclude=/var/lib/rpm

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/var-log-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed var/log

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/var-www-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed var/www

/bin/mkdir /ourserver

ionice -c2 -n7 nice -n19 /bin/tar -cf /ourserver/var-yp-new.tgz -C / --atime-preserve --one-file-system --warning=no-file-ignored --warning=no-file-changed --warning=no-file-removed var/yp

in dmesg I do see occasional errors like this:

[Mon Feb 27 01:13:19 2017] CIFS VFS: Error -11 sending data on socket to server

[Mon Feb 27 01:46:41 2017] CIFS VFS: Server ourdrobo has not responded in 120 seconds. Reconnecting...