Re: /etc/namedb->@ referrs to NIL after crash or typing "reboot"
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On Sat, 17 Aug 2013 11:41:08 -0700
Tim Kientzle <tim@kientzle.com> wrote:
>=20
> On Aug 17, 2013, at 11:17 AM, O. Hartmann wrote:
>=20
> > On Sat, 17 Aug 2013 10:42:07 -0700
> > Tim Kientzle <tim@kientzle.com> wrote:
> >=20
> >>=20
> >> On Aug 17, 2013, at 10:35 AM, O. Hartmann wrote:
> >>=20
> >>> On Sat, 17 Aug 2013 21:10:49 +0400
> >>> Boris Samorodov <bsam@passap.ru> wrote:
> >>>=20
> >>>> 17.08.2013 13:36, O. Hartmann =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> >>>>=20
> >>>>> I can reproduceable truncate the link in /etc/ to be NIL by
> >>>>> typing simply "reboot" when rebooting the box
> >>>>=20
> >>>> Does it make any difference if you use "shutdown -r" instead?
> >>>>=20
> >>>=20
> >>> Yes, when using "shutdown -r" the link isn't broken and the system
> >>> reboots and operates as expected. Only if I use the "quick and
> >>> dirty way" via "reboot" or after a crash when service named ahs
> >>> already been started the link is dead. If a crahs occurs BEFORE
> >>> service named has been started, the recovery is also operable -
> >>> this is my observation.
> >>=20
> >> Does "reboot" show the same problem If the system has been running
> >> for a while (at least 15 minutes or so)?
> >=20
> > Yes, of course.
>=20
> That's not good.
>=20
> After 15 minutes, the link contents should have been written
> all the way to disk, even on an idle system. It sounds like the
> sync process might not be running except at system shutdown.
>=20
> What filesystem are you using? ZFS? UFS/SU? SU+J?
It's UFS/SU + J.
>=20
> Kernel version?
As I wrote in my initial message, I compile on a regular basis the
system/world with progressing in the kernel version. A moving target.
>=20
> Can you reproduce this without named? That is:
That box serves my network with named ;-) Since LDAP on freeBSD doing a
kind of weird (I guess it is due to the horrible timeout using pam_ldap
and nss_ldap modules) when the named service in the network is not
present, I'm a bit of scared doing that on purpose :-/ But I will try.
Why is it 15 minutes waiting?
> * create a symlink,=20
> * wait 15 minutes,
> * "reboot"
> Is the symlink broken?
>=20
> Tim
I will report in.
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