I have a small question. If there are all 5 Gbps (maximum supported speed) ports except one with 10 Gbps in a subnet then what is the expected behavior of OpenSM while setting active link speed ? Does OpenSM force the port with 10 Gbps to operate at 5 Gbps or not ?
-- Keshetti Mahesh On Thu, Sep 10, 2009 at 9:32 PM, Ira Weiny <wei...@llnl.gov> wrote: > Also, iblinkinfo will report links which it finds capable of either faster or > wider operation. iblinkinfo checks both ends of the link as Hal mentions. > It reports this with output like. > > Switch 0x0005ad0000092106 Cisco Switch SFS7000D: > ... > 7 8[ ] ==( 4X 2.5 Gbps Active/ LinkUp)==> 8 12[ ] > "MT47396 Infiniscale-III Mellanox Technologies" ( Could be 5.0 Gbps) > ... > > Also the portstatus console command in OpenSM will report links which are > running at "reduced speed or width". Although this does not check the remote > port. > > OpenSM $ help portstatus > portstatus [ca|switch|router] > summarize port status > [ca|switch|router] -- limit the results to the node type specified > OpenSM $ portstatus > "ALL" port status: > 115 port(s) scanned on 9 nodes in 26 us > 85 down > 30 active > 32 at 4X > 22 at 2.5 Gbps > 8 at 5.0 Gbps > 2 at 10.0 Gbps > > Possible issues: > 2 disabled > 0x0008f10400411b18 5 (ISR9024D Voltaire) > 0x0005ad0000092106 13 (Cisco Switch SFS7000D) > 6 with reduced speed > 0x0008f10500200220 33 (Voltaire 4036 - 36 QDR ports switch) > 0x0008f10500200220 19 (Voltaire 4036 - 36 QDR ports switch) > 0x0005ad0000092106 21 (Cisco Switch SFS7000D) > 0x0005ad0000092106 20 (Cisco Switch SFS7000D) > 0x0005ad0000092106 9 (Cisco Switch SFS7000D) > 0x0005ad0000092106 8 (Cisco Switch SFS7000D) > > > Ira > > On Thu, 10 Sep 2009 09:23:35 -0400 > Hal Rosenstock <hal.rosenst...@gmail.com> wrote: > >> On Thu, Sep 10, 2009 at 9:02 AM, Keshetti Mahesh >> <keshetti.mah...@gmail.com>wrote: >> >> > Added 'ibcheckspeed' and 'ibcheckportspeed': Similar to >> > 'ibcheckwidth/ibcheckportwidth' in functionality and implementation. >> > Reports error/warning messages if the LinkSpeedActive is configured as >> > 2.5 Gbps when the LinkSpeedSupported is more than 2.5 Gbps. >> > >> >> ibportstate checks for more than this in terms of speed (and width) >> anomalies. >> >> Would it be better for these scripts to use that tool now ? Alternatively, >> the additional speed/width anomaly checks could be implemented in these >> scripts but it does involve checking the peer port so there's a little more >> to it. >> >> -- Hal >> >> >> > >> > Signed-off-by: Keshetti Mahesh < keshetti.mah...@gmail.com> >> > --- >> > infiniband-diags/scripts/ibcheckportspeed.in | 146 >> > ++++++++++++++++++++++++++ >> > infiniband-diags/scripts/ibcheckportwidth.in | 2 +- >> > infiniband-diags/scripts/ibcheckspeed.in | 135 >> > ++++++++++++++++++++++++ >> > 3 files changed, 282 insertions(+), 1 deletions(-) >> > create mode 100644 infiniband-diags/scripts/ibcheckportspeed.in >> > create mode 100644 infiniband-diags/scripts/ibcheckspeed.in >> > >> <snip...> >> > > > -- > Ira Weiny > Math Programmer/Computer Scientist > Lawrence Livermore National Lab > 925-423-8008 > wei...@llnl.gov > _______________________________________________ general mailing list general@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
