Thanks, Rowley, for the helpful tips.
We are currently working with Veritas tech support on this problem. I will post a short note when we have a resolution.
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sharetab file information
I am faced with a problem that the sharetab file is missing on a server after a restore usnig Veritas Netbackup and BMR. We are investigating this problem.
I would appreciate if I could get more information about sharetab. I believe that this file is deleted during a boot and then generated AFTER boot. I would like to know which script on Solaris 10 (and 9) deletes this file and then which script generates it.
Is /etc/r3.d/S15nfs.server involved ? I did a find for this file, but cannot find it!
When this server boots, I see the following:
SunOS Release 5.10 Version Generic_138889-08 64-bit
Copyright 1983-2009 Sun Microsystems, Inc. All rights reserved.
Use is subject to license terms.
WARNING: Cannot find /etc/dfs/sharetab
Hostname: atrcx703
Reading ZFS config: done.
atrcx703 console login:
Where is the warning comming from ? What script ?
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Answers
Hi,
Just saw this question and but a solution was never posted. Just some information on how to start the service.
sandeepvaidya, you said you were working with Veritas on this. Did they come up with a solution?
I have just seen this same problem using a Sun flash archive and recover.
For some reason -- I'm guessing there is a patch that caused this problem, the /etc/dfs/sharetab file does not get recreated or perhaps is not backed up even. Not sure which.
I'm still trying to find out what causes this issue, but I can provide a solution.
Create /etc/dfs/sharetab, set the permissions to 444 and ownership to root:root and reboot your server.
The /etc/init.d/nfs.server script calls the smf script /lib/svc/method/nfs-server
This script first looks at /etc/dfs/dfstab to see if any shares are defined.
If they exist, it then issues a "shareall" command, which populates /etc/dfs/sharetab. NOTE: It will not create /etc/dfs/sharetab though!!!
/etc/dfs/sharetab gets hooked to the nfs.server kernel module at boot via an entry in /etc/vfstab that looks like:
sharefs - /etc/dfs/sharetab sharefs - no -
Creating it after the server is up will not properly attach it to the kernel module.
After executing a "shareall" if /etc/dfs/dfstab has entries, the startup script then checks if /etc/dfs/sharetab has entries. If it does, then and only then will it start up /usr/lib/nfs/nfsd and other needed processes such as statd and lockd.
Hope this helps understand the process and provides a work around.
I'm still trying to track down the cause so if anyone knows, please reply.
Thanks,
Dave
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by: RowleyPosted on 2009-09-16 at 07:00:56ID: 25345640
The sharetab is a system file that keeps track of local resources shared by the share command, so yes, you are barking up the right tree. The init script for nfs server is /etc/init.d/nfs.server, in solaris 10 you should manage it using smf commands - ie svcadm [enable|disable|and so on] svc:/network/nfs/server however there /etc/init/nfs.server is there but this is just a wrapper for smf commands to enable/disable the service.
Try stopping nfs if it has started, add any share to /etc/dfs/dfstab, firing up nfs server and seeing if your message disappears.