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Report free space on all found backup volumes and the total

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hjp 2019-09-28 09:17:55 +00:00
parent 8aa0c9ca5e
commit 0d7a8e667b
1 changed files with 4 additions and 2 deletions
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6
scripts/backup
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@ -71,19 +71,21 @@ my @backup_dirs = map {
my $avg_file_size = $bavail * ($blocks - $bfree) / ($files - $ffree); my $avg_file_size = $bavail * ($blocks - $bfree) / ($files - $ffree);
my $available_bytes_by_files = $avg_file_size * $favail; my $available_bytes_by_files = $avg_file_size * $favail;
$available_bytes = $available_bytes_by_files if $available_bytes_by_files < $available_bytes; $available_bytes = $available_bytes_by_files if $available_bytes_by_files < $available_bytes;
$ca->log(3, "found base $_ (est. $available_bytes bytes)");
[ $_, $available_bytes ] [ $_, $available_bytes ]
} glob("/backup/*/active"); } glob("/backup/*/active");
my $sum_free = 0; my $sum_free = 0;
$sum_free += $_->[1] for (@backup_dirs); $sum_free += $_->[1] for (@backup_dirs);
$ca->log(3, "total free est. $sum_free bytes");
my $rnd = rand() * $sum_free; my $rnd = rand() * $sum_free;
my $count_free = 0; my $count_free = 0;
my $backup_dir; my $backup_dir;
for(@backup_dirs) { for(@backup_dirs) {
$count_free += $_->[1]; $count_free += $_->[1];
$ca->log(3, "considering base $_->[0] (est. $_->[1] bytes)\n"); $ca->log(3, "considering base $_->[0] (est. $_->[1] bytes)");
if ($count_free >= $rnd) { if ($count_free >= $rnd) {
$backup_dir = $_->[0]; $backup_dir = $_->[0];
$ca->log(3, "using base $_->[0]\n"); $ca->log(3, "using base $_->[0]");
last; last;
} }
} }