[ofa-general] OpenSM ran out of LIDs

[Hal Rosenstock]

On Mon, Aug 11, 2008 at 7:32 AM, Keshetti Mahesh
<keshetti.mahesh at gmail.com> wrote:
> Hello all,
>
> I am getting the below errors in OpenSM while simulating a large
> Infiniband network using 'ibsim'.

What OpenSM version ?

> Aug 11 14:28:29 002298 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002546 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002602 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002659 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002708 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002764 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002826 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002921 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
> Aug 11 14:28:29 002998 [46E0A960] 0x01 ->
> __osm_lid_mgr_find_free_lid_range: ERR 0307: OPENSM RAN OUT OF LIDS!!!
>
> As per my calculation the no. of unicast lids required for the network
> (34000) is very much within the
> limits (max=48000).

How are you calculating this ? Are you including switch LIDs in this ?
How many switches in this subnet ? Are you using a non 0 LMC ?

>What could be the reason for the above failure ?
> Can anyone enlighten me about the LID database concept used in OpenSM ?
>
> Also, opensm is not considering the guid2lid provided (with -x) at the time of
> starting.

Is the guid2lid file in OSM_CACHE_DIR ?

> Is there any other way to provide persistent guid2lid
> mapping to OpenSM ?

Not AFAIK.

-- Hal
>
> -Mahesh
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