升级到 9.7 期间， ONTAP 无法挂载 mroot

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Category:: ontap-9

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适用场景

ONTAP 升级 9.5 - 9.7
ONTAP 升级 9.6 - 9.7
自动无中断升级 (ANDU)

问题描述

在自动化无中断升级（ ANDU ）期间，将显示 /mroot 目录可能无法挂载，从而导致升级暂停，并且节点超出仲裁（ OOQ ）
ONTAP 升级后，节点无法完全正常运行根卷交还

EMS 警报：

callhome.mdb.recovery.unsuccessful:EMERGENCY]: Call home for MDB RECOVERY UNSUCCESSFUL FOR THE vldb WARNING.

callhome.mdb.recovery.unsuccessful:EMERGENCY]: Call home for MDB RECOVERY UNSUCCESSFUL FOR THE bcomd WARNING.
 rdb.env.IOFailure:ALERT]: Error encountered in root volume I/O: Mkdir '/mroot/etc/cluster_config' failed, 30.
 rdb.env.replicaCorrupt:ALERT]: Corruption in the local database of Data Replication Module: Failed to open SQLite environment: FILE_IO_ERROR.

EMS 日志消息：

/mroot not mounted. apache setup cannot run.
 phpmgr: /mroot/etc/log/mlog doesn't exist. won't log setup up steps to a file
 httpdmgr: /mroot/etc/log/mlog doesn't exist. won't log setup up steps to a file
 php_jail_setup.sh: /mroot/etc/log/mlog doesn't exist. won't log setup up steps to a file
 /mroot not mounted. php setup cannot run.
 apache_jail_setup.sh: /mroot/etc/log/mlog doesn't exist. won't log setup up steps to a file
 /mroot not mounted. apache setup cannot run.
 phpmgr: /mroot/etc/log/mlog doesn't exist. won't log setup up steps to a file
 Nov 24 12:19:08 [Cluster1:callhome.mdb.recovery.unsuccessful:EMERGENCY]: Call home for MDB RECOVERY UNSUCCESSFUL FOR THE bcomd WARNING.
 Nov 24 12:19:08 [Cluster1:rdb.env.IOFailure:ALERT]: Error encountered in root volume I/O: Mkdir '/mroot/etc/cluster_config' failed, 30.