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请教:solaris 连接 emc 存储速度极慢 [复制链接]

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0
31 [报告]
发表于 2012-06-20 13:25 |只看该作者
同时 在另一个 term中执行 snoop

# snoop 192.168.1.70 192.168.1.90
Using device bge2 (promiscuous mode)
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236612302 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236613762 Seq=701785417 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236613762 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236615222 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236616682 Seq=701785417 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236616682 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236618142 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236619602 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236621062 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236619602 Seq=701785417 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236622522 Seq=701785417 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236622522 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236623982 Seq=701785417 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236623982 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236625442 Seq=701785417 Len=0 Win=49640
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=74B4 at 81821696 for 32768
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236625442 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785417 Seq=4236626902 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236628362 Seq=701785541 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236628362 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236629822 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236631282 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236632742 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236631282 Seq=701785541 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236634202 Seq=701785541 Len=0 Win=48180
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=61D1 at 33259520 for 32768
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236641104 Len=0 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236634202 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236635662 Seq=701785665 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236635662 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236637122 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236638582 Seq=701785665 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236638582 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236640042 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236641502 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236642962 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236641502 Seq=701785665 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236644422 Seq=701785665 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236644422 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236645882 Seq=701785665 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236651324 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236645882 Seq=701785665 Len=0 Win=49640 Options=<nop,nop,sack 4236651324-4236652784>
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236645882 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236647342 Seq=701785665 Len=0 Win=49640 Options=<nop,nop,sack 4236651324-4236652784>
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236647342 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236648802 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236648802 Seq=701785665 Len=0 Win=49640 Options=<nop,nop,sack 4236651324-4236652784>
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236650262 Seq=701785665 Len=0 Win=49640 Options=<nop,nop,sack 4236651324-4236652784>
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236650262 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236652784 Len=398 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236653182 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236654642 Len=668 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236652784 Seq=701785665 Len=0 Win=49640
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236654642 Seq=701785665 Len=0 Win=47782
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236655310 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236656770 Seq=701785665 Len=0 Win=45654
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236656770 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236658230 Seq=701785665 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236658230 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236659690 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236661150 Seq=701785665 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236661150 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236662610 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236664070 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236665530 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236664070 Seq=701785665 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236666990 Seq=701785665 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785665 Seq=4236666990 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=D1BE at 44793856 for 32768
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=D1BE at 44793856 for 32768 (retransmit)
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785789 Seq=4236675842 Len=0 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785789 Seq=4236668450 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236669910 Seq=701785789 Len=0 Win=49640
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=84A2 at 15040512 for 32768
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785789 Seq=4236669910 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785789 Seq=4236671370 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236672830 Seq=701785913 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236672830 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236674290 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236675750 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236677210 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236675750 Seq=701785913 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236678670 Seq=701785913 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236678670 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236680130 Seq=701785913 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236680130 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236681590 Seq=701785913 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236681590 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236683050 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236684510 Seq=701785913 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236684510 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236685970 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236687430 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236688890 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236687430 Seq=701785913 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236690350 Seq=701785913 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236690350 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236691810 Seq=701785913 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236691810 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236693270 Seq=701785913 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236693270 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236694730 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236696190 Seq=701785913 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236696190 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236697650 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236699110 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785913 Seq=4236700570 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236699110 Seq=701785913 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236702030 Seq=701785913 Len=0 Win=48180
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=968B at 26640384 for 32768
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=968B at 26640384 for 32768 (retransmit)
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786037 Seq=4236708932 Len=0 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786037 Seq=4236702030 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236703490 Seq=701786037 Len=0 Win=49640
192.168.1.70 -> 192.168.1.90 NFS C READ3 FH=E0F0 at 31916032 for 32768
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786037 Seq=4236703490 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786037 Seq=4236704950 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236706410 Seq=701786161 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236706410 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236707870 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236709330 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236710790 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236709330 Seq=701786161 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236712250 Seq=701786161 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236712250 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236713710 Seq=701786161 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236713710 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236715170 Seq=701786161 Len=0 Win=49640
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236715170 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236716630 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236718090 Seq=701786161 Len=0 Win=46720
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236718090 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236719550 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236721010 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236722470 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236721010 Seq=701786161 Len=0 Win=43800
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236723930 Seq=701786161 Len=0 Win=48180
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701786161 Seq=4236723930 Len=1460 Win=12288
192.168.1.70 -> 192.168.1.90 TCP D=2049 S=639 Ack=4236725390 Seq=701786161 Len=0 Win=49640

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32 [报告]
发表于 2012-06-20 13:27 |只看该作者
执行 df -h 时报这个

FS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok

其中 192.168.1.90 是 emc 存储 的地址(nas)

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33 [报告]
发表于 2012-06-20 13:40 |只看该作者
下面是 df -h 的完整输出,红色部分输出显示非常慢

Filesystem             size   used  avail capacity  Mounted on
/dev/md/dsk/d0          20G   7.5G    12G    39%    /
/devices                 0K     0K     0K     0%    /devices
ctfs                     0K     0K     0K     0%    /system/contract
proc                     0K     0K     0K     0%    /proc
mnttab                   0K     0K     0K     0%    /etc/mnttab
swap                   108G   1.9M   108G     1%    /etc/svc/volatile
objfs                    0K     0K     0K     0%    /system/object
sharefs                  0K     0K     0K     0%    /etc/dfs/sharetab
/dev/md/dsk/d20        9.9G   3.9G   5.8G    41%    /usr
fd                       0K     0K     0K     0%    /dev/fd
swap                   108G   984K   108G     1%    /tmp
swap                   108G    88K   108G     1%    /var/run
/dev/md/dsk/d40         42G   1.1G    41G     3%    /export/home
/dev/dsk/c5t6006016008D028000D9C3D7B9120E111d0s6
                       1.6T   337M   1.6T     1%    /backup2
/dev/dsk/c5t6006016008D02800415CA8999120E111d0s6
                       1.6T   402M   1.6T     1%    /backup4
/dev/dsk/c5t600508B4000D1C230000400000350000d0s5
                       822G   453G   361G    56%    /appdir1
/dev/dsk/c5t6006016008D028000C9C3D7B9120E111d0s6
                       1.6T   484M   1.6T     1%    /backup1
/dev/dsk/c5t6006016008D02800405CA8999120E111d0s6
                       1.6T   329M   1.6T     1%    /backup3
/dev/dsk/c5t600508B4000D1C230000400000350000d0s6
                       1.0T    65G   949G     7%    /appdir
NFS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok
192.168.1.90:/data1       6.9T   5.3T   1.6T    77%    /appdir/dtl/data1
NFS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok
192.168.1.90:/data2     16T   847G    15T     6%    /appdir/dtl/data2
NFS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok
192.168.1.90:/data3   1.2T   179G   1.1T    14%    /appdir/dtl/data3

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34 [报告]
发表于 2012-06-20 14:11 |只看该作者
ping -f -s 1500 192.168.1.90看看报什么错

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35 [报告]
发表于 2012-06-20 16:01 |只看该作者
root@m5000 # ping -f -s 1500 192.168.1.90
ping: illegal option -- f
usage: ping host [timeout]
usage: ping -s [-l | U] [adLnRrv] [-A addr_family] [-c traffic_class]
        [-g gateway [-g gateway ...]] [-F flow_label] [-I interval]
        [-i interface] [-P tos] [-p port] [-t ttl] host [data_size] [npackets]

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36 [报告]
发表于 2012-06-20 17:02 |只看该作者
谢谢各位的帮助和指点,solaris 我只了解很少,我还是请个现场的solaris 工程师来,有结果我会发在这里的,

谢谢大家的帮助

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37 [报告]
发表于 2012-06-21 08:44 |只看该作者
从抓包结果来看,大部分的数据是从90流向70,但每个数据包要分几次来转送,比如

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38 [报告]
发表于 2012-06-21 08:46 |只看该作者
从抓包结果来看,大部分的数据是从90流向70,但每个数据包要分几次来转送,比如
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236628362 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236629822 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236631282 Len=1460 Win=12288
192.168.1.90 -> 192.168.1.70 TCP D=639 S=2049 Ack=701785541 Seq=4236632742 Len=1460 Win=12288

我建议,你可以尝试下把MTU值调大一些。存储和主机的MTU值一起调。比如都调成8000. 增加一次传送的数据,减少握手次数。

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39 [报告]
发表于 2012-06-21 14:02 |只看该作者
javapjl 发表于 2012-06-20 16:01
root@m5000 # ping -f -s 1500 192.168.1.90
ping: illegal option -- f
usage: ping host [timeout]


在solaris上面的语法我忘了是什么,我那个语法是在windows上面的,判断MTU值不是不匹配,我估计是MTU值的问题,不是把MTU值调大,而是要调小。先调solaris的,如果不行,再调存储上面的。

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40 [报告]
发表于 2012-06-21 14:52 |只看该作者
你现在需要做的是把存储的MTU值调大一些,让一次数据传送能携带更多的数据量。solaris也得跟着调,如果存储一次发送很多数据,而接受端无法接受,会造成数据根本无法传送成功。 这种现象很类似于ping,用1500去ping对方主机,会发现ping不通。
一般我们的网卡MTU是1500, 但这包含了IP头等很多信息,实际只能传送数据部分是1472。例如你可以用ping -f -l 1472 <gateway_ip> 和ping -f -l 1500 <gateway_ip> 来比较不同。
我估计大文件就会遇到这样的问题。如果文件过大,而网络一次携带的数据量较小,会造成网络负载严重。你看下面这几个,已经使用的空间都比较大。5.3T, 847G, 179G。
NFS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok
192.168.1.90:/data1       6.9T   5.3T   1.6T    77%    /appdir/dtl/data1
NFS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok
192.168.1.90:/data2     16T   847G    15T     6%    /appdir/dtl/data2
NFS server 192.168.1.90 not responding still trying
NFS server 192.168.1.90 ok
192.168.1.90:/data3   1.2T   179G   1.1T    14%    /appdir/dtl/data3
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