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聚合重新定位期间交还中的NFS中断

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Category:
ontap-9
Specialty:
nas<a>ANDU</a><a>2009-124450</a><a>NDU</a><a>无中断升级</a>
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适用场景

  • ONTAP 9.7
  • SAP HANA

问题描述

在交还阶段聚合重新定位期间、可能会发生这种情况
  • NFSv4锁定丢失
  • SAP HANA等客户端应用程序崩溃
以下条目将显示在sktrace日志中
BLADE_Chk: n0x930b60: src/Protocols/Nfs/Nfs4/Lock/Nfs4LockState.cpp:6560 rt=4064 NBLADE_Chk: n0x93086e: src/Protocols/Nfs/Nfs4/Lock/Nfs4LockState.cpp:6258 rt=4064 NBLADE_Chk: n0xfe840d: src/Protocols/Nfs/Nfs4/Ops/Nfs4OpsIo.cpp:736 rt=4064 NBLADE_Chk: n0xfec2d6: src/Protocols/Nfs/Nfs4/Ops/Nfs4OpsIo.cpp:1643 rt=4064
如果同时启用了lmgr sktrace、则在sktrace日志中也会显示以下内容
[2:0] LMGR_20: cb_reclaim.c:290:cb_reclaim lgi 2 classify cerr=12 nerr=0

 

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