On Sun, Jul 17, 2005 at 03:57:54PM +0200, Kern Sibbald wrote:
> Hello Volker,
>
> About the only thing I can think of is that you have a stale or bad NFS
> connection and you are trying to write the bootstrap file to another machine
> with the bad NFS link -- or perhaps the other machine is just down. In that
> case, Bacula will hang forever. Don't blame me -- I don't know why NFS files
> when there is no one on the other end block forever.
I'm CC'ing everyone involved on this because I seem unable to send mail
to sourceforge (because Verizon refuses to give me a static IP on their
residential DSL service, and I can't get any service except Verizon
because I'm on an RSU to which they will not allow anyone else access).
Basically this is an issue of NFS mount options. Specifically, the
mount options affecting this behavior are hard, sort, intr. The default
behavior is, if I recall correctly, hard with no intr. What these do is
the following:
hard -- A program accessing a file on a NFS mounted file will hang
indefinitely if the server crashes or the connection is lost.
The process cannot be interrupted or killed. When the NFS mount
comes back online, the process will resume exactly where it left
off as though nothing had happened.
intr -- Allows a program hung on a stale or failed NFS mount to be
interrupted.
soft -- Allows the kernel to time out if the NFS server is not
responding for some time. The timeout can be specified with
timeo=<time>.
So, if you're having problems with NFS mounts failing to respond during
Bacula operation and causing Bacula to hang, you might try remounting
your NFS mounts with, say, -o hard,intr or even -o soft,timeo=300 (which
should cause the kernel to time-out the connection if it does not
respond within 300 seconds).
--
Phil Stracchino [EMAIL PROTECTED]
Renaissance Man, Unix generalist, Perl hacker
Mobile: 603-216-7037 Landline: 603-886-3518
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