[Lustre-discuss] Frequent OSS Crashes with heavy load

[Brian J. Murrell]

On Mon, 2008-11-10 at 15:58 +0000, Wang lu wrote:
> Thanks, but I am still unclear about: 
> 
> 1.How to limit the OST thread number after I find a optimum number?

It's a module option to the oss module.  It should be documented in the
manual.

> 2.The meaning of /proc/sys/lnet/peers and /proc/sys/lnet/nis?

The meaning of many of the variables in /proc are also documented in the
manual.  If you find any that are not, you can file a ticket in our bz
requesting they be added.

> For example
> [root at boss01 ~]# cat /proc/sys/lnet/peers
> nid                      refs state   max   rtr   min    tx   min queue
> 192.168.52.39 at tcp           6  ~rtr     8     8     8     3   -19 1458536
> 
> [root at boss01 ~]# cat /proc/sys/lnet/nis
> nid                      refs peer   max    tx   min
> 0 at lo                        2    0     0     0     0
> 192.168.50.33 at tcp         137    8   256   256  -424

I don't know the details of either of these off-hand.  Probably one of
our LNET experts might be able to provide more information.

b.

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