トラフィックが多いと iSCSI が接続エラーを発生させる
Issue
- iscsi ボリュームでトラフィックが多い時に、以下のエラーがログに表示されます。
-
短期間、デバイスへのトラフィックの読み書きが遅れます。
Mar 10 05:05:55 kernel:connection2:0: iscsi: detected conn error (1011) Mar 10 05:05:55 iscsid:Kernel reported iSCSI connection 2:0 error (1011) state (3) Mar 10 05:05:58 iscsid: connection2:0 is operational after recovery (1 attempts) Mar 10 05:06:19 kernel:connection3:0: iscsi: detected conn error (1011) Mar 10 05:06:19 iscsid:Kernel reported iSCSI connection 3:0 error (1011) state (3) Mar 10 05:06:19 kernel:connection4:0: iscsi: detected conn error (1011) Mar 10 05:06:20 iscsid:Kernel reported iSCSI connection 4:0 error (1011) state (3) Mar 10 05:06:22 iscsid: connection3:0 is operational after recovery
Environment
- Red Hat Enterprise Linux 5
- Kernel-2.6.18-92.1.10.el5
- iscsi
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