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Solution Type Problem Resolution Sure Solution 1672343.1 : Invalid DWord Count, Running Disparity Error Count, and Loss of DWord Synch Count Logged By SAS Expander During Server Reboot
In this Document
Created from <SR 3-8231989621> Applies to:Solaris Operating System - Version 10 10/09 U8 and laterSun Flash F5100 Array - Version All Versions and later Information in this document applies to any platform. SymptomsFor example, from a Sun Server X2-4 (Sun Fire X4470 M2) with a SGX-SAS6-EXT-Z 8-Port 6Gbps SAS-2 PCI Express HBA (LSI) connected to Sun Storage F5100 Flash Array. System Configuration: Oracle Corporation SUN FIRE X4470 M2 SERVER :vendor-id 0x1000
From LSI utility: LSI Logic MPT Configuration Utility, Version 1.66, February 24, 2011 18. Report LUNs Test
19. Drive firmware download 20. Expander firmware download 21. Read Logical Blocks 99. Reset port e Enable expert mode in menus p Enable paged mode w Enable logging Diagnostics menu, select an option: [1-99 or e/p/w or 0 to quit] 12 Adapter Phy 0: Link Up, No Errors Adapter Phy 1: Link Up, No Errors Adapter Phy 2: Link Up, No Errors Adapter Phy 3: Link Up, No Errors Adapter Phy 4: Link Down, No Errors Adapter Phy 5: Link Down, No Errors Adapter Phy 6: Link Down, No Errors Adapter Phy 7: Link Down, No Errors Expander (Handle 0009) Phy 0: Link Up, No Errors Expander (Handle 0009) Phy 1: Link Up, No Errors Expander (Handle 0009) Phy 2: Link Up, No Errors Expander (Handle 0009) Phy 3: Link Up, No Errors Expander (Handle 0009) Phy 4: Link Up, No Errors Expander (Handle 0009) Phy 5: Link Up, No Errors Expander (Handle 0009) Phy 6: Link Up, No Errors Expander (Handle 0009) Phy 7: Link Up, No Errors Expander (Handle 0009) Phy 8: Link Up, No Errors Expander (Handle 0009) Phy 9: Link Up, No Errors Expander (Handle 0009) Phy 10: Link Up, No Errors Expander (Handle 0009) Phy 11: Link Up, No Errors Expander (Handle 0009) Phy 12: Link Down, No Errors Expander (Handle 0009) Phy 13: Link Up, No Errors Expander (Handle 0009) Phy 14: Link Up, No Errors Expander (Handle 0009) Phy 15: Link Up, No Errors Expander (Handle 0009) Phy 16: Link Up, No Errors Expander (Handle 0009) Phy 17: Link Up, No Errors Expander (Handle 0009) Phy 18: Link Up, No Errors Expander (Handle 0009) Phy 19: Link Up, No Errors Expander (Handle 0009) Phy 20: Link Down, No Errors Expander (Handle 0009) Phy 21: Link Down, No Errors Expander (Handle 0009) Phy 22: Link Down, No Errors Expander (Handle 0009) Phy 23: Link Down, No Errors Expander (Handle 0009) Phy 24: Link Down, No Errors Expander (Handle 0009) Phy 25: Link Down, No Errors Expander (Handle 0009) Phy 26: Link Down, No Errors Expander (Handle 0009) Phy 27: Link Down, No Errors Expander (Handle 0009) Phy 28: Link Up Invalid DWord Count 1,381,127 Running Disparity Error Count 1,341,649 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 29: Link Up Invalid DWord Count 1,374,122 Running Disparity Error Count 1,339,739 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 30: Link Up Invalid DWord Count 1,234,944 Running Disparity Error Count 1,180,630 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 31: Link Up Invalid DWord Count 1,366,866 Running Disparity Error Count 1,305,454 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 32: Link Down, No Errors Expander (Handle 0009) Phy 33: Link Down, No Errors Expander (Handle 0009) Phy 34: Link Down, No Errors Expander (Handle 0009) Phy 35: Link Down, No Errors Expander (Handle 0009) Phy 36: Link Up, No Errors Expander (Handle 0009) Phy 37: Link Down, No Errors Diagnostics menu, select an option: [1-99 or e/p/w or 0 to quit] 13 Adapter Phy 0 counters have been cleared Adapter Phy 1 counters have been cleared Adapter Phy 2 counters have been cleared Adapter Phy 3 counters have been cleared Adapter Phy 4 counters have been cleared Adapter Phy 5 counters have been cleared Adapter Phy 6 counters have been cleared Adapter Phy 7 counters have been cleared Expander (Handle 0009) Phy 0 counters have been cleared Expander (Handle 0009) Phy 1 counters have been cleared Expander (Handle 0009) Phy 2 counters have been cleared Expander (Handle 0009) Phy 3 counters have been cleared Expander (Handle 0009) Phy 4 counters have been cleared Expander (Handle 0009) Phy 5 counters have been cleared Expander (Handle 0009) Phy 6 counters have been cleared Expander (Handle 0009) Phy 7 counters have been cleared Expander (Handle 0009) Phy 8 counters have been cleared Expander (Handle 0009) Phy 9 counters have been cleared Expander (Handle 0009) Phy 10 counters have been cleared Expander (Handle 0009) Phy 11 counters have been cleared Expander (Handle 0009) Phy 12 counters have been cleared Expander (Handle 0009) Phy 13 counters have been cleared Expander (Handle 0009) Phy 14 counters have been cleared Expander (Handle 0009) Phy 15 counters have been cleared Expander (Handle 0009) Phy 16 counters have been cleared Expander (Handle 0009) Phy 17 counters have been cleared Expander (Handle 0009) Phy 18 counters have been cleared Expander (Handle 0009) Phy 19 counters have been cleared Expander (Handle 0009) Phy 20 counters have been cleared Expander (Handle 0009) Phy 21 counters have been cleared Expander (Handle 0009) Phy 22 counters have been cleared Expander (Handle 0009) Phy 23 counters have been cleared Expander (Handle 0009) Phy 24 counters have been cleared Expander (Handle 0009) Phy 25 counters have been cleared Expander (Handle 0009) Phy 26 counters have been cleared Expander (Handle 0009) Phy 27 counters have been cleared Expander (Handle 0009) Phy 28 counters have been cleared Expander (Handle 0009) Phy 29 counters have been cleared Expander (Handle 0009) Phy 30 counters have been cleared Expander (Handle 0009) Phy 31 counters have been cleared Expander (Handle 0009) Phy 32 counters have been cleared Expander (Handle 0009) Phy 33 counters have been cleared Expander (Handle 0009) Phy 34 counters have been cleared Expander (Handle 0009) Phy 35 counters have been cleared Expander (Handle 0009) Phy 36 counters have been cleared Expander (Handle 0009) Phy 37 counters have been cleared Diagnostics menu, select an option: [1-99 or e/p/w or 0 to quit] 12 Adapter Phy 0: Link Up, No Errors Adapter Phy 1: Link Up, No Errors Adapter Phy 2: Link Up, No Errors Adapter Phy 3: Link Up, No Errors Adapter Phy 4: Link Down, No Errors Adapter Phy 5: Link Down, No Errors Adapter Phy 6: Link Down, No Errors Adapter Phy 7: Link Down, No Errors Expander (Handle 0009) Phy 0: Link Up, No Errors Expander (Handle 0009) Phy 1: Link Up, No Errors Expander (Handle 0009) Phy 2: Link Up, No Errors Expander (Handle 0009) Phy 3: Link Up, No Errors Expander (Handle 0009) Phy 4: Link Up, No Errors Expander (Handle 0009) Phy 5: Link Up, No Errors Expander (Handle 0009) Phy 6: Link Up, No Errors Expander (Handle 0009) Phy 7: Link Up, No Errors Expander (Handle 0009) Phy 8: Link Up, No Errors Expander (Handle 0009) Phy 9: Link Up, No Errors Expander (Handle 0009) Phy 10: Link Up, No Errors Expander (Handle 0009) Phy 11: Link Up, No Errors Expander (Handle 0009) Phy 12: Link Down, No Errors Expander (Handle 0009) Phy 13: Link Up, No Errors Expander (Handle 0009) Phy 14: Link Up, No Errors Expander (Handle 0009) Phy 15: Link Up, No Errors Expander (Handle 0009) Phy 16: Link Up, No Errors Expander (Handle 0009) Phy 17: Link Up, No Errors Expander (Handle 0009) Phy 18: Link Up, No Errors Expander (Handle 0009) Phy 19: Link Up, No Errors Expander (Handle 0009) Phy 20: Link Down, No Errors Expander (Handle 0009) Phy 21: Link Down, No Errors Expander (Handle 0009) Phy 22: Link Down, No Errors Expander (Handle 0009) Phy 23: Link Down, No Errors Expander (Handle 0009) Phy 24: Link Down, No Errors Expander (Handle 0009) Phy 25: Link Down, No Errors Expander (Handle 0009) Phy 26: Link Down, No Errors Expander (Handle 0009) Phy 27: Link Down, No Errors Expander (Handle 0009) Phy 28: Link Up, No Errors Expander (Handle 0009) Phy 29: Link Up, No Errors Expander (Handle 0009) Phy 30: Link Up, No Errors Expander (Handle 0009) Phy 31: Link Up, No Errors Expander (Handle 0009) Phy 32: Link Down, No Errors Expander (Handle 0009) Phy 33: Link Down, No Errors Expander (Handle 0009) Phy 34: Link Down, No Errors Expander (Handle 0009) Phy 35: Link Down, No Errors Expander (Handle 0009) Phy 36: Link Up, No Errors Expander (Handle 0009) Phy 37: Link Down, No Errors Diagnostics menu, select an option: [1-99 or e/p/w or 0 to quit]
Counters will remain at zero until reboot...
LSI Logic MPT Configuration Utility, Version 1.66, February 24, 2011
1 MPT Port found Port Name Chip Vendor/Type/Rev MPT Rev Firmware Rev IOC 1. mpt_sas0 LSI Logic SAS2008 B2 200 0b050300 0 ... Expander (Handle 0009) Phy 28: Link Up Invalid DWord Count 1,467,157 Running Disparity Error Count 1,422,324 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 29: Link Up Invalid DWord Count 1,457,503 Running Disparity Error Count 1,430,255 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 30: Link Up Invalid DWord Count 1,310,946 Running Disparity Error Count 1,253,380 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 Expander (Handle 0009) Phy 31: Link Up Invalid DWord Count 1,453,297 Running Disparity Error Count 1,388,061 Loss of DWord Synch Count 2 Phy Reset Problem Count 0 ...
CauseAvago Technologies/LSI has finally confirmed this is working as designed. The links will drop when the operating system is reset and the expander will log the SAS link dropping along with the associated errors. SolutionAs long as the expander errors do not continue to increase after the reboot has completed, the errors should just be ignored. As the expander errors are only visible from an engineering utility, there should be no requirement to document this issue further. References<BUG:18492549> - ERRORS LOGGED BY EXPANDER DURING SERVER REBOOTAttachments This solution has no attachment |
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