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Date:      Thu, 05 Jan 2006 23:33:41 +0300
From:      Denis Shaposhnikov <dsh@vlink.ru>
To:        Don Lewis <truckman@FreeBSD.org>
Cc:        freebsd-stable@FreeBSD.org
Subject:   Re: Recurring problem: processes block accessing UFS file system
Message-ID:  <873bk2fm8q.fsf@neva.vlink.ru>
In-Reply-To: <200601051953.k05JrOmx015661@gw.catspoiler.org> (Don Lewis's message of "Thu, 5 Jan 2006 11:53:24 -0800 (PST)")
References:  <200601051953.k05JrOmx015661@gw.catspoiler.org>

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>>>>> "Don" == Don Lewis <truckman@FreeBSD.org> writes:

 Don> Are you using any unusual file systems, such as nullfs or
 Don> unionfs?

Yes, I'm use a lots of nullfs. This is a host system for about 20
jails with nullfs mounted ro system:

/dev/mirror/gm0s1a on / (ufs, local, read-only)
devfs on /dev (devfs, local)
/dev/mirror/gm0s1d on /usr/local (ufs, local)
/dev/mirror/gm0s1e on /home (ufs, local, nosuid)
/dev/mirror/gm0s1f on /tmp (ufs, local, noexec)
/dev/mirror/gm0s1g on /var (ufs, NFS exported, local)
procfs on /proc (procfs, local)
devfs on /var/named/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/netflow/the.jail/.build (nullfs, local, read-only)
/var/jail/netflow/the.jail.etc on /var/jail/netflow/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/netflow/the.jail.local on /var/jail/netflow/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/netflow/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/mysql/the.jail/.build (nullfs, local, read-only)
/var/jail/mysql/the.jail.etc on /var/jail/mysql/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/mysql/the.jail.local on /var/jail/mysql/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/mysql/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/dspam/the.jail/.build (nullfs, local, read-only)
/var/jail/dspam/the.jail.etc on /var/jail/dspam/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/dspam/the.jail.local on /var/jail/dspam/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/dspam/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/deliver_smtp/the.jail/.build (nullfs, local, read-only)
/var/jail/deliver_smtp/the.jail.etc on /var/jail/deliver_smtp/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/deliver_smtp/the.jail.local on /var/jail/deliver_smtp/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/deliver_smtp/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/clamav/the.jail/.build (nullfs, local, read-only)
/var/jail/clamav/the.jail.etc on /var/jail/clamav/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/clamav/the.jail.local on /var/jail/clamav/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/clamav/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/mx1_smtp/the.jail/.build (nullfs, local, read-only)
/var/jail/mx1_smtp/the.jail.etc on /var/jail/mx1_smtp/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/mx1_smtp/the.jail.local on /var/jail/mx1_smtp/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/mx1_smtp/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/smtp_smtp/the.jail/.build (nullfs, local, read-only)
/var/jail/smtp_smtp/the.jail.etc on /var/jail/smtp_smtp/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/smtp_smtp/the.jail.local on /var/jail/smtp_smtp/the.jail/.build/usr/local (nullfs, local, read-only)
/var/jail/mx1_smtp/the.jail/var/db/postfix on /var/jail/smtp_smtp/the.jail/var/db/postfix (nullfs, local, read-only)
devfs on /var/jail/smtp_smtp/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/cacti/the.jail/.build (nullfs, local, read-only)
/var/jail/cacti/the.jail.etc on /var/jail/cacti/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/cacti/the.jail.local on /var/jail/cacti/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/cacti/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/rk80/the.jail/.build (nullfs, local, read-only)
/var/jail/rk80/the.jail.etc on /var/jail/rk80/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/rk80/the.jail.local on /var/jail/rk80/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/rk80/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/syslog/the.jail/.build (nullfs, local, read-only)
/var/jail/syslog/the.jail.etc on /var/jail/syslog/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/syslog/the.jail.local on /var/jail/syslog/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/syslog/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/tftpboot/the.jail/.build (nullfs, local, read-only)
/var/jail/tftpboot/the.jail.etc on /var/jail/tftpboot/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/tftpboot/the.jail.local on /var/jail/tftpboot/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/tftpboot/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/clickon/the.jail/.build (nullfs, local, read-only)
/var/jail/clickon/the.jail.etc on /var/jail/clickon/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/clickon/the.jail.local on /var/jail/clickon/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/clickon/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/sulci/the.jail/.build (nullfs, local, read-only)
/var/jail/sulci/the.jail.etc on /var/jail/sulci/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/sulci/the.jail.local on /var/jail/sulci/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/sulci/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/sites_clickon/the.jail/.build (nullfs, local, read-only)
/var/jail/sites_clickon/the.jail.etc on /var/jail/sites_clickon/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/sites_clickon/the.jail.local on /var/jail/sites_clickon/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/sites_clickon/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/cvs/the.jail/.build (nullfs, local, read-only)
/var/jail/cvs/the.jail.etc on /var/jail/cvs/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/cvs/the.jail.local on /var/jail/cvs/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/cvs/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/plone/the.jail/.build (nullfs, local, read-only)
/var/jail/plone/the.jail.etc on /var/jail/plone/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/plone/the.jail.local on /var/jail/plone/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/plone/the.jail/dev (devfs, local)
devfs on /var/jail/build/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/svn/the.jail/.build (nullfs, local, read-only)
/var/jail/svn/the.jail.etc on /var/jail/svn/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/svn/the.jail.local on /var/jail/svn/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/svn/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/blax/the.jail/.build (nullfs, local, read-only)
/var/jail/blax/the.jail.etc on /var/jail/blax/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/blax/the.jail.local on /var/jail/blax/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/blax/the.jail/dev (devfs, local)
/var/jail/build/the.jail on /var/jail/awstats/the.jail/.build (nullfs, local, read-only)
/var/jail/awstats/the.jail.etc on /var/jail/awstats/the.jail/.build/etc (nullfs, local, read-only)
/var/jail/awstats/the.jail.local on /var/jail/awstats/the.jail/.build/usr/local (nullfs, local, read-only)
devfs on /var/jail/awstats/the.jail/dev (devfs, local)

-- 
DSS5-RIPE DSS-RIPN 2:550/5068@fidonet 2:550/5069@fidonet
mailto:dsh@vlink.ru http://neva.vlink.ru/~dsh/



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