Date: Wed, 01 Apr 2015 11:17:11 +0300 From: Artem Kuchin <artem@artem.ru> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: Little research how rm -rf and tar kill server Message-ID: <551BA987.4050708@artem.ru> In-Reply-To: <20150331164202.GN2379@kib.kiev.ua> References: <55170D9C.1070107@artem.ru> <1427727936.293597.247070269.5CE0D411@webmail.messagingengine.com> <55196FC7.8090107@artem.ru> <1427730597.303984.247097389.165D5AAB@webmail.messagingengine.com> <5519716F.6060007@artem.ru> <1427731061.306961.247099633.0A421E90@webmail.messagingengine.com> <5519740A.1070902@artem.ru> <1427731759.309823.247107417.308CD298@webmail.messagingengine.com> <5519F74C.1040308@artem.ru> <20150331164202.GN2379@kib.kiev.ua>
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31.03.2015 19:42, Konstantin Belousov пишет: > On Tue, Mar 31, 2015 at 04:24:28AM +0300, Artem Kuchin wrote: >> 30.03.2015 19:09, Mark Felder пишет: >> > Syncer and sync(2) perform different kind of syncs. This is strange. Did you see what man 2 sync said? It specifically refers to syncer, implying that syncer does the same sync as man 2 sync Is man page outdated or incorrect? > Take the snapshot of > sysctl debug.softdep before and after the situation occur to have some > hints what is going on. Will do tonight. Before, during and after the untaring. > > Also, it makes sense to test the HEAD kernel after the r280763. Even if > I end up with any fix, it probably would require r280760 as prerequisite. This is a working loaded server, i am afraid to test HEAD on it. That make not be compatible with the rest of the system. And actually, i don't know how to fetch only kernel from HEAD :) > >> By the way: is there way to make sure that SU+J is really working? >> Maybe it is disabled for some reason >> and i don't know it. tunefs just shows stored setting, but, for example, >> with dirty fs, journaling is not >> working in reality. Any way to get current status of SU journaling? > Your statement about 'dirty fs' makes no sense. Maybe i misunderstood something Here is the situation: I have dirty shutdown, so fs is dirty fsck started at boot but said something about unexpected inconsistency and journal is not used i stopped fsck and made mount -f -a sh /etc/rc to boot the server and make it work anyway (later i shutdown it again and did fsck normally) As i understand journaling was disabled when i did mount -f -a correct? > > Journaling state is displayed by mount -v. Thank you!
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