テイクオーバーは実行できません：メールボックスディスクが正常ではありません
環境
- ONTAP 9
- ONTAP Select
問題
- テイクオーバーはできません。メールボックスディスクにエラーが表示されます：
::*> storage failover show
Takeover
Node Partner Possible State Description
-------------- -------------- -------- -------------------------------------
node-01 node-02 false Connected to node-02, Takeover
is not possible: Mailbox disks are not healthy
node-02 node-01 false Connected to node-01, Takeover
is not possible: Mailbox disks are not healthy
2 entries were displayed.- EMSログから、メールボックスディスクへの接続に問題が発生していることが確認できます。
Sun Apr 19 00:12:24 -0500 [node1: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target <iqn_redacted> (type: mailbox, address: <ip_redacted>). Reason: no ping reply after 5 seconds.Sun Apr 19 00:12:34 -0500 [node1: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting (destroy sim) for the target <iqn_redacted> (type: mailbox, address: <ip_redacted>). Reason: session login timed out 2 times.Sun Apr 19 00:12:34 -0500 [node1: fmmbx_instanceWorker: fmmb.lock.disk.remove:info]: Disk <disk_id_redacted> removed from Local mailbox set.Sun Apr 19 00:12:34 -0500 [node1: fmmbx_instanceWorker: fmmb.current.lock.disk:info]: Disk <disk_id_redacted> is a Local HA mailbox disk.Sun Apr 19 00:12:34 -0500 [node1: fmmbx_instanceWorker: fmmb.current.lock.disk:info]: Disk <disk_id_redacted> is a Local HA mailbox disk.Sun Apr 19 00:12:34 -0500 [node1: cf_main: cf.fsm.takeoverOfPartnerDisabled:error]: Failover monitor: takeover of node2 disabled (Mailbox disks are not healthy).Sun Apr 19 00:12:34 -0500 [node1: cf_main: cf.fsm.takeoverByPartnerDisabled:error]: Failover monitor: takeover of node1 by node2 disabled (Mailbox disks are not healthy).Sun Apr 19 00:12:37 -0500 [node1: fmmbx_instanceWorker: fmmb.lock.disk.remove:info]: Disk <disk_id_redacted> removed from Partner mailbox set.Sun Apr 19 00:13:00 -0500 [node1: monitor: monitor.globalStatus.critical:EMERGENCY]: Controller failover of node2 is not possible: Mailbox disks are not healthy.Sun Apr 19 02:00:00 -0500 [node1: statd: cf.takeover.disabled:alert]: HA mode, but takeover of partner is disabled due to reason: Mailbox disks are not healthy.Sun Apr 19 02:03:01 -0500 [node1: iscsid: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Connected for the target <iqn_redacted> (type: mailbox, address: <ip_redacted>).