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estimate free space by inodes, too.

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hjp 2010-04-24 20:23:58 +00:00
parent 28745ebffa
commit 3a8c8e86a8
1 changed files with 7 additions and 1 deletions
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8
scripts/backup
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@ -53,7 +53,11 @@ my @backup_dirs = map {
my($bsize, $frsize, $blocks, $bfree, $bavail,
$files, $ffree, $favail, $flag, $namemax)
= statvfs($_);
[ $_, $bsize * $bavail ]
my $available_bytes = $bsize * $bavail;
my $avg_file_size = $bavail * ($blocks - $bfree) / ($files - $ffree);
my $available_bytes_by_files = $avg_file_size * $favail;
$available_bytes = $available_bytes_by_files if $available_bytes_by_files < $available_bytes;
[ $_, $available_bytes ]
} glob("/backup/*/active");
my $sum_free = 0;
$sum_free += $_->[1] for (@backup_dirs);
@ -62,8 +66,10 @@ my $count_free = 0;
my $backup_dir;
for(@backup_dirs) {
$count_free += $_->[1];
$ca->log(3, "considering base $_->[0] (est. $_->[1] bytes)\n");
if ($count_free >= $rnd) {
$backup_dir = $_->[0];
$ca->log(3, "using base $_->[0]\n");
last;
}
}