メンバーポートのリンクフラッピング中にifgrp Txの「lagg drops」数が増加しています
環境
- ONTAP 9.7
- ifgrp
問題
- ifgrpの物理メンバーポートのリンクフラッピング：
Wed May 24 13:38:22 +0900 [nodename: intr: pvif.lacp.outofsync:alert]: ifgrp a1a, port e0e cannot synchronize with the LACP aggregate.
Wed May 24 13:39:48 +0900 [nodename: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a1a, port e0e has transitioned to the active state.
Wed May 24 13:43:19 +0900 [nodename: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a1a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
Wed May 24 13:43:35 +0900 [nodename: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a1a, port e0e has transitioned to the active state.
- ifgrp A1AとそのVLANポートでEMSイベントが発生
vifmgr.cluscheck.crcerrors:alertしました。
Wed May 24 13:45:17 +0900 [nodename: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port a1a on node nodename is reporting a high number of observed hardware errors, possibly CRC errors.
Wed May 24 13:45:17 +0900 [nodename: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port a1a-65 on node nodename is reporting a high number of observed hardware errors, possibly CRC errors.
Wed May 24 13:45:17 +0900 [nodename: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port a1a-928 on node nodename is reporting a high number of observed hardware errors, possibly CRC errors.
Wed May 24 13:45:17 +0900 [nodename: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port a1a-130 on node nodename is reporting a high number of observed hardware errors, possibly CRC errors.
Wed May 24 13:45:17 +0900 [nodename: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port a1a-623 on node nodename is reporting a high number of observed hardware errors, possibly CRC errors.
IFSTAT-Aに、Ifgrp A1A送信側Lagg dropsカウントの増加を示します。
-- interface a1a (0 hours, 4 minutes, 42 seconds) --
TRANSMIT
Total frames: 100 | Frames/second: 0 | Total bytes: 14380
Bytes/second: 51 | Total errors: 5 | Errors/minute: 1
Total discards: 0 | Queue overflow: 0 | Multi/broadcast: 82
...
Mcast v6 solicit: 0 | Lagg drops: 5 | Lagg no buffer: 0
Lagg no entries: 0
DEVICE
Mcast addresses: 0 | Rx MBuf Sz: 0
LINK INFO
Speed: n/a | Duplex: n/a | Flowcontrol: n/a
Media state: active | Up to downs: 1 | HW assist: 5654
Lagg dropsポートのリンクステータスが安定したあとにカウントが増加します。