OS XのTimeMachineがローカルにスナップショットを作るのを止める

ローカルの容量を食うのは死活問題なので、ディスク未接続時にスナップショットをローカルに作る機能を停止した。

sudo tmutil disablelocal

man pageに記載あり

TMUTIL(8)                 BSD System Manager's Manual                TMUTIL(8)

NAME
     tmutil -- Time Machine utility

SYNOPSIS
     tmutil verb [options]

DESCRIPTION
     tmutil provides methods of controlling and interacting with Time Machine, as well as examining and manipulating Time Machine backups. Common abilities include restoring data from
     backups, editing exclusions, and comparing backups.

     Several, but not all, verbs require root privileges.

...中略...

VERBS
     Each verb is listed with its description and individual arguments.

...中略...

     disablelocal
             Turn off local Time Machine snapshots and trigger automatic cleanup of accumulated local snapshot data. Requires root privileges.