集群互连延迟较长、并出现端口错误
适用场景
问题描述
- 客户端对共享的访问速度非常慢。
- QoS统计信息卷延迟显示 报告集群互连的高延迟。
cluster1::> qos statistics volume latency show -volume vserver_vol01 -vserver vserver1
Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM Cloud FlexCache SM Sync VA
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
-total- - 10.71ms 520.00us 9.63ms 465.00us 88.00us 0ms 0ms 3.00us 0ms 0ms 0ms 0ms
vserver_vol01.. 7948 1247.00us 48.00us 1140.00us 25.00us 33.00us 0ms 0ms 1.00us 0ms 0ms 0ms 0ms
-total- - 26.10ms 5.74ms 19.53ms 753.00us 71.00us 0ms 0ms 6.00us 0ms 0ms 0ms 0ms
vserver_vol01.. 7948 479.00us 41.00us 259.00us 26.00us 150.00us 0ms 0ms 3.00us 0ms 0ms 0ms 0ms
-total- - 125.97ms 823.00us 124.86ms 187.00us 86.00us 0ms 0ms 8.00us 0ms 0ms 0ms 0ms
vserver_vol01.. 7948 1466.00us 62.00us 1238.00us 45.00us 109.00us 0ms 0ms 12.00us 0ms 0ms 0ms 0ms
- EMS日志上报告的CRC错误:
Mon Dec 12 13:31:37 +0530 [cluster1: vifmgr: vifmgr.cluscheck.hwerrors:alert]: Port e0e on node cluster1-01 is reporting a high number (at least 1 per 1000 packets) of observed hardware errors (CRC, length, alignment, dropped).
Mon Dec 12 14:31:37 +0530 [cluster1: vifmgr: vifmgr.cluscheck.hwerrors:alert]: Port e0e on node cluster1-01 is reporting a high number (at least 1 per 1000 packets) of observed hardware errors (CRC, length, alignment, dropped).
Mon Dec 12 15:31:38 +0530 [cluster1: vifmgr: vifmgr.cluscheck.hwerrors:alert]: Port e0e on node cluster1-01 is reporting a high number (at least 1 per 1000 packets) of observed hardware errors (CRC, length, alignment, dropped).
- 如何读取 AFF/FAS 系统上的 IFstat 计数器 集群互连端口(e0e)的ifstat -a输出中的错误符号计数正在增加:
-- interface e0e (54 days, 3 hours, 15 minutes, 51 seconds) --
RECEIVE
Total frames: 11316m | Frames/second: 2420 | Total bytes: 11802g
Bytes/second: 2523k | Total errors: 290m | Errors/minute: 3732
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 6794k
Non-primary u/c: 0 | Errored frames: 0 | Unsupported Op: 0
CRC errors: 273m | Runt frames: 0 | Fragment: 797k
Long frames: 36 | Jabber: 4 | Length errors: 0
Alignment errors: 0 | No buffer: 0 | Pause: 0
Jumbo: 105m | Error symbol: 16247k | Bus overruns: 0
Queue drops: 0 | LRO segments: 4105m | LRO bytes: 11181g
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