Coda File System

Re: replicated volume that is not on the SCM

From: Josh Logan <joshl_at_internap.com>
Date: Fri, 10 Nov 2000 14:30:49 -0800 (PST)
On Fri, 10 Nov 2000, Jan Harkes wrote:

> On Fri, Nov 10, 2000 at 01:38:19PM -0800, Josh Logan wrote:
> >
> > I have three machines.  Is it possible to have the 2nd and 3rd machine
> > share a volume that is not on the SCM?
> >
> > I would like to have a central SCM machines that shares it's contents to a
> > bunch of remote machines, but I want a pair of remote machines to have
> > local content that is not pushed back up to the SCM.  Is this possible, or
> > does the SCM always have to be part of a volume?
>
> No, the SCM is only special in that it is the read/write copy of the
> shared databases. Users, passwords and volumes creation is done from the
> SCM, although the volumes can reside on any VSG (volume storage group).
>
> The VSG's are defined in /vice/db/VSGDB, when it contains f.i.
>
>     E0000500 notscm1 notscm2
>
> # createvol_rep newvolume E0000500
>
> will create the replicated volume on the servers notscm1 and notscm2.
>
> >
> > BTW, this currently looks like:
> > root_at_sysops1:~# ls -l /coda/
> > total 5
> > lrw-r--r--    1 joshl    nogroup         7 Nov 10 13:25 local -> #local
> > lrw-r--r--    1 joshl    nogroup        11 Nov 10 13:26 local-stu ->
> > #local-stu
> > drw-r--r--    3 root     nogroup      2048 Nov  9 10:57 office
> > drwxrwxrwx    2 root     nogroup      2048 Nov  8 16:28 staff
> >
> > V_BindToServer: binding to host joshl-laptop.internap.com
> > Wlocal.1 I3000006 H3 P/usr/opt/CODA/vicepa m0 M0 U2 W3000006 C3a0c6716
> > D3a0c6716 B0 A0
> > Wlocal-stu.1 I3000007 H3 P/usr/opt/CODA/vicepa m0 M0 U2 W3000007 C3a0c675a
> > D3a0c675a B0 A0
> > GetVolumeList finished successfully
>
> Maybe the VRDB and VLDB databases haven't been replicated to all servers
> yet? Check the timestamps/sizes of /vice/db/VRDB and VLDB on the
> servers.
>

That was it.  One of the servers did not get the update.  restarted the
services and it worked immediately!

Is there a way to find out if a server is not getting updates?

							Later, JOSH
Received on 2000-11-10 17:45:32