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From: "Mykola S. Grechukh" <gns@altlinux.org>
To: ALT Linux Community general discussions <community@lists.altlinux.org>
Subject: Re: [Comm] Опыт работы с flash в качестве основного устройства
Date: Wed, 20 Apr 2011 20:11:46 +0300
Message-ID: <BANLkTi=2f23m89axvXqx3wMJLaimUFGJTQ@mail.gmail.com> (raw)
In-Reply-To: <4DAF12D9.2030803@rambler.ru>

2011/4/20 Kharitonov A. Dmitry <>:
>> According to the standard specification (e.g., POSIX.1-2001), sync()
>> schedules the writes, but _may_return_ before the actual writing is
>> done. However, since version 1.3.20 Linux does actually wait. (This
>> still _does_not_ guarantee data integrity: modern disks have large
>> _caches_.)
>
> Поэтому и нужно стремиться к снижению нагрузки на umount, особенно перед
> обесточиванием.

Здесь написано примерно то, что sync без слипа не спасает.

-- 
Mykola Grechukh

CTO, Satelliz-Ukraine

  reply	other threads:[~2011-04-20 17:11 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-20 10:52 Kharitonov A. Dmitry
2011-04-20 13:46 ` Damir
2011-04-20 14:12   ` Kharitonov A. Dmitry
2011-04-20 14:32     ` Mykola S. Grechukh
2011-04-20 14:44       ` REAL
2011-04-20 14:46         ` Mykola S. Grechukh
2011-04-20 15:35         ` Денис Смирнов
2011-04-20 17:17         ` Kharitonov A. Dmitry
2011-04-20 17:07       ` Kharitonov A. Dmitry
2011-04-20 17:11         ` Mykola S. Grechukh [this message]
2011-04-20 17:25           ` Kharitonov A. Dmitry
2011-04-20 14:42     ` Damir
2011-04-20 17:15       ` Kharitonov A. Dmitry

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