ONTAP 9.10.1より前のifgrpインターフェイスでは、vifmgr.cluscheck.cccerrorsまたはvifmgr.cluscheck.hwerrorsが生成されます。
環境
9.10.1より前のバージョンのONTAP 9
問題
- EMS により ifgrp interface generate アラート
vifmgr.cluscheck.crcerrorsが検出されます。
nodename::*> event log show -message-name vifmgr.cluscheck.crcerrors
Time Node Severity Event
------------------- ---------------- ------------- ---------------------------
4/22/2021 00:42:39 nodename
ALERT vifmgr.cluscheck.crcerrors: Port a0a on nodename
is reporting a high number of observed hardware errors, possibly CRC errors.
- または
ALERT vifmgr.cluscheck.hwerrors: Port a1a on node ***** is reporting a high number (at least 1 per 1000 packets) of observed hardware errors (CRC, length, alignment, dropped).
Total errorsTRANSMITセクションのifgrp（この例ではa0a）のみが増加しますが、ifgrpの基盤となる物理ポートごとにエラーは表示されません。
-- interface a0a (1 hour, 59 minutes, 59 seconds) --
RECEIVE
Total frames: 307m | Frames/second: 42721 | Total bytes: 409g
Bytes/second: 56881k | Total errors: 0 | Errors/minute: 0
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 4315
Non-primary u/c: 0 | Errored frames: 0 | Unsupported Op: 0
CRC errors: 0 | Runt frames: 0 | Fragment: 0
Long frames: 0 | Jabber: 0 | Length errors: 0
Alignment errors: 0 | No buffer: 0 | Xon: 0
Xoff: 0 | Pause: 0 | Jumbo: 0
Noproto: 0 | Error symbol: 0 | Illegal symbol: 0
Bus overruns: 0 | Queue drops: 0 | LRO segments: 0
LRO bytes: 0 | LRO6 segments: 0 | LRO6 bytes: 0
Bad UDP cksum: 0 | Bad UDP6 cksum: 0 | Bad TCP cksum: 0
Bad TCP6 cksum: 0 | Mcast v6 solicit: 0 | Lagg errors: 0
Lacp errors: 0 | Lacp PDU errors: 0
TRANSMIT
Total frames: 397m | Frames/second: 55169 | Total bytes: 512g
Bytes/second: 71122k | Total errors: 2720 | Errors/minute: 23
Total discards: 0 | Queue overflow: 0 | Multi/broadcast: 966
Max collisions: 0 | Single collision: 0 | Multi collisions: 0
Late collisions: 0 | Xon: 0 | Xoff: 0
Pause: 0 | Jumbo: 0 | Cfg Up to Downs: 0
TSO non-TCP drop: 0 | Split hdr drop: 0 | Timeout: 0
TSO segments: 18907k | TSO bytes: 481g | TSO6 segments: 0
TSO6 bytes: 0 | HW UDP cksums: 10068 | HW UDP6 cksums: 0
HW TCP cksums: 82875k | HW TCP6 cksums: 0 | Mcast v6 solicit: 0
Lagg drops: 0 | Lagg no buffer: 0 | Lagg no entries: 0
DEVICE
Mcast addresses: 1 | Rx MBuf Sz: 0
LINK INFO
Speed: n/a | Duplex: n/a | Flowcontrol: n/a
Media state: active | Up to downs: 1