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在7mode上托管的所有卷上观察到高延迟

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7dot<a>2009317030</a>
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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

2009317030—服务器alerts.jpg

  • 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。

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