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E-Series remote volume mirror failure and recursive controller reboots after volume capacity expansion

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Category:
e-series-santricity-os-controller-software
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esg
Last Updated:

Applies to

  • NetApp E-Series
  • Asynchronous remote volume mirroring (ARVM)
  • Dynamic volume expansion (DVE)

Issue

  • After increasing E-Series volume capacity (DVE), the volume mirror relationship fails.
  • The E-Series events (Support > Events) in SANtricity System Manager and support bundle / AutoSupport (ASUP) major-event-log display below event:
Event type: 7C06
Priority: Critical
Description: Asynchronous mirror group member has failed
  • The controllers may recursively reboot after mirroring is resumed following the volume capacity expansion. The E-Series reboot will be for a segmentation fault (SIGSEGV) which can be retrieve from controller shell using excLogShow or support bundle / ASUP state-capture-data file:
2025-10-15 03:08:30.748606
SIGSEGV Received
Backtrace of the crashed thread:
#0  0x00007f12136a9e2c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f121365afb2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f12139bf3ea in vkiPanic () from /raid/lib/libeos-System.so
#3  No symbol table info available.
#4  0x00007f11ff9f6d30 in vutl::BitmapL0Page::isPageInitialized(unsigned int) () from /raid/lib/libeos-RAID.so
#5  0x00007f11ff9ff1ad in vutl::DeltaLog::processBitsUpdate(buf*) () from /raid/lib/libeos-RAID.so
#6  0x00007f11fe92ec6a in iop::BuftPriorityQueues::processWork() () from /raid/lib/libeos-RAID.so
#7  0x00007f11fe8a9ea0 in iop::IoScheduleManagerMulticore::raidCacheSchedulerTask1() () from /raid/lib/libeos-RAID.so
#8  0x00007f12139c2a18 in vkiTask () from /raid/lib/libeos-System.so
#9  0x00007f12136a8134 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x00007f12137287dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

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