Thanks Skylar,

The is no NFS mount on this server and is does not use and external directory 
for identification & authentification either.

-- 
Best regards / Cordialement / مع تحياتي
Erwann SIMON

----- Mail original -----
De: "Skylar Thompson" <skylar2 AT U.WASHINGTON DOT EDU>
À: ADSM-L AT VM.MARIST DOT EDU
Envoyé: Jeudi 15 Mai 2014 16:25:45
Objet: Re: [ADSM-L] Slow mount of FILE storage pools volumes

A couple things I can think of:

* Do you have any stale NFS mounts on your TSM server? Even if the FILE
  volumes are not on NFS, I've seen slow access on any file if there's a
  hung mount.
* Do you use a central directory server (NIS, LDAP, etc.) for this system?
  If directory lookups are slow, that could slow down file access as well.

On Thu, May 15, 2014 at 03:44:32PM +0200, Erwann Simon wrote:
> Hi all,
>
> I've recently done some upgrades to a customer's TSM server and I'm now 
> experiencing some strange behabiour with long delay for mount of FILE storage 
> pools volumes.
>
> Delay is 1 minute or more, and it seems it does not depend on usage (mount 
> for client sessions or server processes).
>
> Does someone had some similar issue ? Thanks.
>
> Here's a view of the current platform :
> - RHEL 6.4
> - TSM 6.3.4.300
> - 2 CPU 8C - 256GB
> - 15k disks for DB (internal)
> - 10k disks for FILE storage pools (IBM DS3524)
> - FILE volumes are pre-allocated and 100GB each (I know, it's a bit large)
> - TSM deduplication is used
>
> Changes made :
> - Server HW has been renewed from an 4 years old server
> - Older server was running RHEL 5.8 and TSM 6.3.4.200
> - No other significative change.
>
> --
> Best regards / Cordialement / ???? ????????????
> Erwann SIMON

--
-- Skylar Thompson (skylar2 AT u.washington DOT edu)
-- Genome Sciences Department, System Administrator
-- Foege Building S046, (206)-685-7354
-- University of Washington School of Medicine