From 1e75153e1b3e331fd7d1322730bfb707940deb28 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Tue, 13 Oct 2020 11:55:35 +0300
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https://www.evanjones.ca/durability-filesystem.html
ÐÐ½ÑÐµÑÐµÑÐ½Ð¾Ðµ ÐºÑÐ°ÑÐºÐ¾Ðµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð¸Ðµ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ API Ð²ÑÐ·Ð¾Ð²Ð¾Ð². ÐÐµ Ð·Ð½Ð°Ð» ÑÑÐ¾ ext3
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ÑÐ²ÑÐ·Ð°Ð½Ð½ÑÐµ Ñ ÑÐ°Ð¹Ð»Ð¾Ð²Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ð¾Ð¹, Ð° Ð½Ðµ ÑÐ¾Ð»ÑÐºÐ¾ Ñ ÑÐµÐºÑÑÐ¸Ð¼ ÑÐ°Ð¹Ð»Ð¾Ð¼. ÐÑÐ°Ð²Ð´Ð° Ð²Ð¾Ñ
ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ñ Ð´ÐµÐ»Ð°ÑÑ fallocate, Ð¿Ð¾ÑÐ¾Ð¼ Ð·Ð°Ð¿Ð¾Ð»Ð½Ð¸ÑÑ Ð½ÑÐ»ÑÐ¼Ð¸, ÑÑÐ¾Ð±Ñ Ð½Ðµ
Ð²Ð¾Ð²Ð»ÐµÐºÐ°ÑÑ Ð¾Ð±Ð½Ð¾Ð²Ð»ÐµÐ½Ð¸Ðµ Ð¼ÐµÑÐ°Ð´Ð°Ð½Ð½ÑÑ Ð¿ÑÐ¸ Ð´Ð¾Ð·Ð°Ð¿Ð¸ÑÑÐ²Ð°Ð½Ð¸Ð¸ Ð´Ð°Ð½Ð½ÑÑ -- Ð±ÑÐ´ÐµÑ
Ð±ÐµÑÐ¿Ð¾Ð»ÐµÐ·Ð½Ð° Ð½Ð° ZFS, Ð³Ð´Ðµ Ð´Ð¾ÑÑÐ°ÑÐ¾ÑÐ½Ð¾ ÑÐ¾Ð»ÑÐºÐ¾ fallocate-Ð°, Ð¸Ð±Ð¾ Ð²ÑÑ ÑÐ°Ð²Ð½Ð¾
Ð±ÑÐ´ÐµÑ copy-on-write. ÐÑÑ Ð¼Ð½Ð¾Ð³Ð¾ ÑÑÑÐ»Ð¾Ðº Ð½Ð° Ð´ÑÑÐ³Ð¸Ðµ Ð¸Ð½ÑÐµÑÐµÑÐ½ÑÐµ Ð¿Ð¾ ÑÑÐ¾Ð¹ ÑÐµÐ¼Ðµ
ÑÑÐ°ÑÑÐ¸.
-- 
2.50.0