Hot answers tagged ubuntu-12.04
The arguments to nohup terminate before the pipe symbol, because the shell interprets metachars like | and > before the command is invoked. The command line provided will direct the standard output of nohup (not mysqldump) to the standard input of gzip. So when you log out, your shell and any child processes receive a hangup signal. nohup will prevent ...
Most likely is that someone first added disks sdf & sdg, then removed/unplugged sdb–sde.
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