在7mode上托管的所有卷上观察到高延迟
适用场景
- Data ONTAP 7模式
- 性能
问题描述
- 主机报告这些卷上托管的VM的Icinga工具发出磁盘延迟较高警报
- 使用
sysstat -x 1
命令确定磁盘利用率的高延迟:
Filer*> sysstat -x 1
CPU NFS CIFS HTTP Total Net kB/s Disk kB/s Tape kB/s Cache Cache CP CP Disk OTHER FCP iSCSI FCP kB/s iSCSI kB/s
in out read write read write age hit time ty util in out in out
50% 4103 2 0 4107 15431 191459 197658 8 0 0 18s 90% 0% - 99% 2 0 0 0 0 0 0
75% 4189 0 0 4197 19668 187389 292677 15835 0 0 17s 90% 36% Fs 100% 8 0 0 0 0 0 0
71% 3341 0 0 3358 19126 130803 272552 182357 0 0 18s 90% 100% :s 98% 17 0 0 0 0 0 0
68% 3478 0 0 3542 12713 148801 208659 61992 0 0 18s 91% 100% :f 100% 64 0 0 0 0 0 0
54% 4095 0 0 4096 11759 205888 214216 13968 0 0 18s 90% 34% : 96% 1 0 0 0 0 0 0
53% 4307 0 0 4310 15494 207465 218200 8 0 0 18s 90% 0% - 95% 3 0 0 0 0 0 0
48% 3984 0 0 3992 12258 177437 187736 0 0 0 17s 88% 0% - 93% 8 0 0 0 0 0 0
51% 4217 0 0 4218 16525 190835 201012 24 0 0 17s 89% 0% - 99% 1 0 0 0 0 0 0
52% 4433 3 0 4476 21521 203624 220932 0 0 0 17s 89% 0% - 96% 40 0 0 0 0 0 0
46% 3816 0 0 3817 15315 179245 192284 0 0 0 17s 89% 0% - 94% 1 0 0 0 0 0 0
53% 3494 2 0 3505 20996 145992 158036 32 0 0 17s 89% 0% - 89% 9 0 0 0 0 0 0
- 使用statit确定包含卷的聚合中的磁盘利用率是否较高或存在延迟。