Re: [RFC:PATCH 3.1.0] do_mount: Add mount retry option for nfs root mount.

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Boaz Harrosh wrote:

  On 01/25/2012 04:50 PM, Srinivas KANDAGATLA wrote:
  > From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxx>
  > 
  > This patch adds mountretry kernel parameter for nfs root mount.
  > mount retry indicates the number of times nfs root mount attempts to be
  > made before giving up. If this option is not specified, the default
  > value of 3 retries is used.
  > 
  
  If the system is set to have root on NFS. And the root is not found
  what does it do? does it Just bums out with a recovery console?
  
  So what better options does it have other then retry for ever. die?
  
  I always thought that was inconsistent. With an hard mount NFS
  will never give up and will retry for ever freezing all IOers until
  the server came back. Only with root-mount it gives up.
  
  Please explain what is the benefits of giving up at all. Can a machine
  be at all usable without it's root? 

Doesn't grub have some fallback logic in case the given kernel/root fails?
Also, don't you want some indication that it's not working other than just a
blank screen?
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