On Mon, Sep 14, 2009 at 2:02 PM, Ira Weiny <wei...@llnl.gov> wrote: > On Fri, 11 Sep 2009 09:32:39 +0530 > Keshetti Mahesh <keshetti.mah...@gmail.com> wrote: > > > My badness. I have not used 'iblinkinfo' before. > > So, I guess there is no need for the above script. Apart from that, I > feel > > there should be a program/script which will first scan the fabric to find > the > > maximum common supported width/speed and then report the warning messages > > of the links/ports which are configured with active width/speed less > > than the found > > value. Is there any tool already exists which does the same ? > > Not that I know of. >
ibportstate does this but is on a per port basis. This could be readily scripted (ad hoc or in tree) for this purpose. -- Hal <snip...> > > While I could see the usefulness of such a tool in some environments I have > gone down the path of making the OFED diags more generic and then writing > some wrappers for our local needs. Currently I have a script which runs > iblinkinfo with the "-l" option and then returns total number of links at > SDR, DDR, QDR as well as the number of links at 1, 4, or 12X. I then leave > it up to the sys admin to know if their cluster is homo or heterogenious and > how many links should be at what speeds. They can then use iblinkinfo to > identify which links are incorrect for their particular installation. > > Ira > > > > > - > > 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 > > > > > > -- > Ira Weiny > Math Programmer/Computer Scientist > Lawrence Livermore National Lab > 925-423-8008 > wei...@llnl.gov >
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