Re: /etc/namedb->@ referrs to NIL after crash or typing "reboot"
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On Sat, 17 Aug 2013 10:42:07 -0700
Tim Kientzle <tim@kientzle.com> wrote:
>=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)?
Yes, of course.
>=20
> Your broken link sounds like the expected behavior when you
> do a dirty reboot shortly after the link has been created (before
> the link contents have been written all the way to disk).
>=20
> But the broken /etc/namedb link shouldn't prevent named from
> restarting after the reboot; maybe we should change the named
> startup scripts to test this link and delete/recreate it if it's
> broken?
>=20
> Tim
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