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Old 06-14-2005, 11:38 AM   #1
dmkang
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Registered: Apr 2005
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Failed Backup to tape of /root using webmin


I'm wondering if anyone could shed light on my situation? All of a sudden after 4 months of incremental and full backups, my full backup failed returning a list of tar messages in the summary.

in the effort to keep things to the point, i've abbreviated thelist to only include the different types of messages in the summary:

Performing backup of / to /dev/st0 ..


tar: Removing leading `/' from member names
tar: Removing leading `/' from hard link targets
tar: /var/run/dbus/system_bus_socket: socket ignored
tar: /var/run/acpid.socket: socket ignored
tar: /sys/module/nls_utf8/sections/.strtab: File shrank by 4085 bytes; padding with zeros
tar: /sys/class/net/sit0/statistics/tx_compressed: File shrank by 4094 bytes; padding with zeros
tar: /sys/class/net/sit0/statistics/rx_compressed: File shrank by 4094 bytes; padding with zeros
tar: /sys/class/net/sit0/statistics/tx_window_errors: File shrank by 4094 bytes; padding with zeros
tar: /sys/class/net/sit0/statistics/tx_heartbeat_errors: File shrank by 4094 bytes; padding with zeros
tar: /sys/class/net/sit0/statistics/tx_fifo_errors: File shrank by 4094 bytes; padding with zeros
tar: /sys/class/net/sit0/statistics/tx_carrier_errors: File shrank by 4094 bytes; padding with zeros
tar: /tmp/mapping-root: socket ignored
tar: /tmp/orbit-root/linc-d56-0-228b6e7487c07: socket ignored
tar: /tmp/orbit-root/linc-d41-0-693ed06e397bd: socket ignored
tar: /tmp/.font-unix/fs7100: socket ignored
tar: /tmp/mapping-root: socket ignored
tar: /tmp/orbit-root/linc-d56-0-228b6e7487c07: socket ignored
tar: /tmp/orbit-root/linc-d41-0-693ed06e397bd: socket ignored
tar: /tmp/orbit-root/linc-d50-0-4812296b22bc5: socket ignored

tar: /proc/2/task/2/exe: Cannot readlink: No such file or directory
tar: /proc/2/exe: Cannot readlink: No such file or directory
tar: /proc/3/task/3/exe: Cannot readlink: No such file or directory
tar: /proc/3/exe: Cannot readlink: No such file or directory
tar: /proc/4/task/4/exe: Cannot readlink: No such file or directory
tar: /proc/4/exe: Cannot readlink: No such file or directory
tar: /proc/5/task/5/exe: Cannot readlink: No such file or directory
tar: /proc/5/exe: Cannot readlink: No such file or directory
tar: /proc/6/task/6/exe: Cannot readlink: No such file or directory
tar: /proc/23359/fd/4: Cannot stat: No such file or directory
tar: Error exit delayed from previous errors
.. backup failed!

Any ideas why this would suddenly occur? My first guess would be the tape may be full but it's set to overwrite. Any help would be greatly appreciated.

Thanks
 
Old 06-14-2005, 12:00 PM   #2
Matir
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Why are you backing up /sys and /proc? Neither contains "real" files, and are populated by the kernel in real time. Trying to back those up WILL break things. The "socket ignored" messages are just tar telling you it's not going to back up things that cannot be backed up. (UNIX Domain sockets are, like /sys and /proc, a virtual item in the file system). If you're using devfs or udev, backing up /dev is also unneccessary.
 
Old 06-14-2005, 12:15 PM   #3
dmkang
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Registered: Apr 2005
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Thanks for your prompt reply.

Your comment has surfaced several times on the boards realting to this issue. My intention was to create a backup strategy somewhat similar to an incremental backup. I created 2 backup jobs thorugh webmin; one that woudl backup the data, and; the other that would back up the root.

Per the concensus, it sounds this is destructive and probably redundant. I just want to avoid losing the data especially when there is only one physical drive being shared by the system and the data.
 
  


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