The ZFS ZIL and SLOG Demystified - ixsystems.com
The ZIL and SLOG are two of the most misunderstood concepts in ZFS and hopefully this will clear things up. As you surely know by now, ZFS is taking extensive measures to safeguard your data and it should be no surprise that these two buzzwords represent key data safeguards. What is not obvious however is that they only come into play under ...