Re: file system handle

[James Pearson <james-p@moving-picture.com>]

Yes - existing clients will still use the 'default' filehandle type. Any 
new clients will use the fsid= option type. You have to make sure all 
clients have remounted the file systems before moving the disks to a new 
host.

James Pearson

David Dougall wrote:
> So, you are saying that if I add an fsid= option into the exports, the
> server will work with both that filehandle and the default major/minor
> number one?
> --David Dougall
> 
> 
> On Mon, 13 Dec 2004, James Pearson wrote:
> 
> 
>>David Dougall wrote:
>>
>>>I am moving filesystems/disks to new NFS servers.  They are going to
>>>change major and minor numbers.  Is there any way I can prevent stale
>>>mounts with the fsid= option in the exports?
>>>I have tried this on a test environment, but when I try to create an fsid=
>>>option, it completely changes the filehandle format in the nfs packet.  Am
>>>I missing something, or are the default and forced fsid options
>>>incompatible?
>>
>>I believe using the fsid= option does use a different file handle id
>>type, so you can't directly do what you want with the fsid option.
>>
>>However, you can re-export a file system with an added fsid= option -
>>any existing mounts will still use the 'previous' file handle type based
>>on the device id, but new mounts will use the new fsid file handle. You
>>then will have to make sure all existing clients remount the file system
>>before moving the disks.
>>
>>I've done this before - but I had to make the export change well in
>>advance, so that I could make sure all existing clients remounted the
>>file system before the move.
>>
>>James Pearson
>>
>>
>>
> 
> 



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