Re: [PATCH] nfsdcld: prevent from accessing /var/lib/nfs/nfsdcld in read-only file system during boot

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On Fri, 2024-10-04 at 09:04 +0000, Seiichi Ikarashi (Fujitsu) wrote:
> I saw a VMWare guest that hit a rare condition during boot;
> nfsdcld started too early to check access on /var/lib/nfs/nfsdcld which were
> still in read-only file system as follows:
> 
>   nfsdcld[...]: Unexpected error when checking access on /var/lib/nfs/nfsdcld: Read-only file system
>   systemd[1]: nfsdcld.service: Main process exited, code=exited, status=226/NAMESPACE
>   systemd[1]: nfsdcld.service: Failed with result 'exit-code'.
> 
> nfsdcld.service needs to wait the root file system to be remounted at least.
> 
> Signed-off-by: Seiichi Ikarashi <s.ikarashi@xxxxxxxxxxx>
> ---
>  systemd/nfsdcld.service | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/systemd/nfsdcld.service b/systemd/nfsdcld.service
> index 3ced565..188123d 100644
> --- a/systemd/nfsdcld.service
> +++ b/systemd/nfsdcld.service
> @@ -4,7 +4,7 @@ Documentation=man:nfsdcld(8)
>  DefaultDependencies=no
>  Conflicts=umount.target
>  Requires=rpc_pipefs.target proc-fs-nfsd.mount
> -After=rpc_pipefs.target proc-fs-nfsd.mount
> +After=rpc_pipefs.target proc-fs-nfsd.mount systemd-remount-fs.service
>  
>  [Service]
>  Type=forking
> 

Good catch! Seems like a reasonable fix.

Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>





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