Date: Mon, 14 Oct 2013 18:50:56 +0200 From: CeDeROM <cederom@tlen.pl> To: Adam Vande More <amvandemore@gmail.com> Cc: David Demelier <demelier.david@gmail.com>, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: SU+J Lost files after a power failure Message-ID: <CAFYkXjn-1wTJcQ4a_fyXCvwh9ukt3%2BdjM2qsMeaH1HhVJNvhiA@mail.gmail.com> In-Reply-To: <CA%2BtpaK2Pr2po2cQ1yanQK9%2BwLp77SYqYHjxiXaU5FfXwHrkGow@mail.gmail.com> References: <525A6831.5070402@gmail.com> <l3gc7e$c91$1@ger.gmane.org> <20131014133953.58f74659@gumby.homeunix.com> <525C1D1C.9050708@gmail.com> <CA%2BtpaK2Pr2po2cQ1yanQK9%2BwLp77SYqYHjxiXaU5FfXwHrkGow@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Oct 14, 2013 at 6:47 PM, Adam Vande More <amvandemore@gmail.com> wrote: > On Mon, Oct 14, 2013 at 11:34 AM, David Demelier > <demelier.david@gmail.com>wrote: >> >> Why? SU+J is enabled by default. Isn't the purpose of a journaled file >> system to ensure that any bad shutdown will protect data? > > As already stated, those measures are to preserve fs integrity eg meta data > is in sync. It doesn't ensure that all the outstanding writes are > committed to disk in the event of a power outage. Then why random files gets damaged as well even they are not accessed/written on power loss? :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFYkXjn-1wTJcQ4a_fyXCvwh9ukt3%2BdjM2qsMeaH1HhVJNvhiA>