4:09 a.m.
Frank,
Thanks for the response, tried your patch disabling usage of gss_iov
for krb5p but no luck - iozone tool stuck at 4k block size iops...i
could see the following messages in ganesha logs.
Is there any other place that needs to be changed to disable gss_iov ?
*********
14/10/2020 T02:05:43.505432-0700 6554[::ffff:10.10.108.68] [svc_35] 0
:rpc :svc_vc_reply: 0x7f960c101510 fd 13 SVCAUTH_WRAP failed (will set
dead)
14/10/2020 T02:05:43.505508-0700 6554[::ffff:10.10.108.68] [svc_100] 0
:rpc :svc_vc_reply: 0x7f960c101510 fd 13 SVCAUTH_WRAP failed (will set
dead)
14/10/2020 T02:05:43.505577-0700 6554[::ffff:10.10.108.68] [svc_87] 0
:rpc :svc_vc_reply: 0x7f960c101510 fd 13 SVCAUTH_WRAP failed (will set
dead)
14/10/2020 T02:05:43.505602-0700 6554[::ffff:10.10.108.68] [svc_64] 0
:rpc :svc_vc_reply: 0x7f960c101510 fd 13 SVCAUTH_WRAP failed (will set
dead)
*********
Regards,
Chakra
On Tue, Oct 13, 2020 at 10:15 PM Frank Filz <ffilzlnx(a)mindspring.com> wrote:
>
> Ok, I'm beginning to fear that using gss_iov for krb5p is causing problems, try
this quick ntirpc patch and see if it makes a difference:
>
> diff --git a/src/authgss_prot.c b/src/authgss_prot.c
> index b01578f..409da6e 100644
> --- a/src/authgss_prot.c
> +++ b/src/authgss_prot.c
> @@ -267,7 +267,7 @@ xdr_rpc_gss_wrap(XDR *xdrs, xdrproc_t xdr_func, void *xdr_ptr,
> * If it's privacy, and NEWBUF is supported (because xdrs is a vector)
> * then NEWBUF will have allocated the new buffer.
> */
> - vector = (svc == RPCSEC_GSS_SVC_INTEGRITY) || XDR_NEWBUF(xdrs);
> + vector = (svc == RPCSEC_GSS_SVC_INTEGRITY);
>
> /* Marshal rpc_gss_data_t (sequence number + arguments).
> * If it's a vector, the response has been marshalled into a new
>
> > -----Original Message-----
> > From: Chakra Divi [mailto:chakragithub@gmail.com]
> > Sent: Tuesday, October 13, 2020 9:26 AM
> > To: devel(a)lists.nfs-ganesha.org
> > Subject: [NFS-Ganesha-Devel] Re: Issues seen with krb5i and krb5p mounts
> >
> > with krb5i - i'm not seeing not much degradation - when compared with v2.5.
> >
> > v2.5 - krb5i - 14m6.888s
> > v3 - krb5i - 18m55.072s
> >
> > with krb5p - v3 took more than 50% time than v2.5
> > _______________________________________________
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