GXP?Phoenix????

1
GXP?Phoenix????

• ????
• ????? ?????

2
?????

• GXP??????????
• ???????????????
• ???????????????????
• Phoenix??????????????
• ??????????????????

3
?????

• GXP?Phoenix?????
  ?????????????????

4
????

• ???LAN?????3??????
• ?230?????

tsubame0015
hibari0015

toki.kototoi.org
istbs000.i.u-tokyo.ac.jp
shepherd.logos.k.u-tokyo.ac.jp
Internet


istbs001191
sheep0065
5
?????

• GXP????????
• GXP???????
• Phoenix???????

6
GXP????????
7
GXP???????????

• edges, cluster
• ?????????
• explore
• ???????????
• e
• ?????????
• smask
• ????????

8
GXP???

• python gxp.py
• GXP started on istbs000
• GXP1/1/1

??????????????
9
???????? edges, cluster????

• ?????????
• edges A -gt B
• A??????????B???????
• cluster A
• edges A -gt A?????
• ????????
• ?)istbs??? istbs000 istbs001

10
???

• cluster istbs???
• edges istbs000
• ? shepherd.logos.k.u-tokyo.ac.jp
• cluster shepherd.logos.k.u-tokyo.ac.jp sheep??

???????
istbs000.i.u-tokyo.ac.jp
shepherd.logos.k.u-tokyo.ac.jp
Internet


istbs001191
sheep0065
11
???????? explore????

• ???????????????

GXP1/1/1 explore istbs000 reached istbs001
reached istbs002 reached ... GXP100/100/100

100??????????
12
???????? e????
GXP100/100/100 e hostname istbs000 istbs001 ..
. GXP100/100/100 e hostname
????????????????
13
?????????
e cmd1 cmd2 cmd3
???????
cmd1
cmd3
cmd2
cmd2
cmd2
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???????? smask????

• ??????????????????

GXP50/100/100 smask GXP50/50/100
????????????????
15
???

• ?????????
• CPU???????????

e hostname grep xxx smask
e uptime awk 'if ((NF-2) lt 0.2) print
"OK"' grep OK smask
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GXP???????
17
??????????

• ????????????
• ?)???????????????????
• ????????????????????

???1
???????
???2
???3
???4
???5
???6
???7
???X
???Y
???Z
18
mw????
mw M W

• M ???????W ??????
• W ??????M ??????

M
W
W
W
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mw??????????????????????
????

• while (1)
• ??????1???????ID?????
• ?????????????ID????????????
• while (1)
• ?????1?????ID???
• ?????????ID??????????????
  ??????????????

????
20
???
???????
X
Y
Z
???5
???6
???7
???X
???Y
???Z
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Phoenix???????
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Phoenix???

• ??????????????????????
• ?????????????????????
• ???????????????????

1024
0
256
512
768
????????
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Phoenix???

• ?????????????????????
• ???????????????????

?????600????
1024
0
256
512
768
????????
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Phoenix???????

• ????????????????
• ??????
• ??????????????

25
??????????????

• idle?????????????????
• ?????????????????????

1024
0
256
512
768
????????
26
????????

• ????????????????

1024
0
256
512
768
????????
27
??????

• GXP?Phoenix????????????
• GXP????????
• GXP???????
• Phoenix???????