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Try to find all devices suitable for backup and mount them.

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hjp 2009-09-22 09:04:53 +00:00
parent 74da594a66
commit c0254d8f53
1 changed files with 20 additions and 0 deletions
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20
backup
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@ -5,6 +5,7 @@ use Simba::CA;
use POSIX qw(strftime);
use Getopt::Long;
use Filesys::Statvfs;
use File::stat;
my @filesets;
@ -24,6 +25,25 @@ my $ca = Simba::CA->new({
});
$ca->log_level(9);
# Try to find all devices suitable for backup and mount them.
# We do this by trying to find a matching device for each subdirectory
# of /backup. Another way might be to check all USB disks.
my $st = stat("/backup/");
my $base_device = $st->dev;
for (glob("/backup/*")) {
my $st = stat($_);
my $dir_device = $st->dev;
if ($base_device == $dir_device) {
# not a mount point
(my $basedir = $_) =~ s{^/backup/}{};
if (-e "/dev/disk/by-id/$basedir") {
# matching device exists
system("/bin/mount", "-o", "nodev,noexec,nomand,nosuid", "/dev/disk/by-id/$basedir", $_);
}
}
}
# find the backup dir with the most free space available.
# other strategies are possible, like round robin, or daily, weekly,
# etc. backups.