2004-11-07 15:44:45

by dap

[permalink] [raw]
Subject: weird NFSv3 getaddr storm when fileserver upgraded to 2.6 (tcpdump output)


I forgot to include a sample of tcpdump:

16:38:10.832970 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], length: 120) 10.1.1.2.2357056995 > 10.1.1.251.2049: 92 getattr fh Unknown/0100000000FD000102000000267681BD418C2B8107B03430418C2B8107B03430
16:38:10.833004 IP (tos 0x0, ttl 64, id 13797, offset 0, flags [DF], length: 140) 10.1.1.251.2049 > 10.1.1.2.2357056995: reply ok 112 getattr DIR 40755 ids 0/0 sz 0x1000
16:38:10.833159 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], length: 120) 10.1.1.2.2373834211 > 10.1.1.251.2049: 92 getattr fh Unknown/0100000000FD000102000000267681BD418C2B8107B03430418C2B8107B03430
16:38:10.833223 IP (tos 0x0, ttl 64, id 13804, offset 0, flags [DF], length: 140) 10.1.1.251.2049 > 10.1.1.2.2373834211: reply ok 112 getattr DIR 40755 ids 0/0 sz 0x1000
16:38:10.833372 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], length: 120) 10.1.1.2.2390611427 > 10.1.1.251.2049: 92 getattr fh Unknown/0100000000FD000102000000267681BD418C2B8107B03430418C2B8107B03430
16:38:10.833399 IP (tos 0x0, ttl 64, id 13812, offset 0, flags [DF], length: 140) 10.1.1.251.2049 > 10.1.1.2.2390611427: reply ok 112 getattr DIR 40755 ids 0/0 sz 0x1000
16:38:10.833551 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], length: 120) 10.1.1.2.2407388643 > 10.1.1.251.2049: 92 getattr fh Unknown/0100000000FD000102000000267681BD418C2B8107B03430418C2B8107B03430
16:38:10.833602 IP (tos 0x0, ttl 64, id 13819, offset 0, flags [DF], length: 140) 10.1.1.251.2049 > 10.1.1.2.2407388643: reply ok 112 getattr DIR 40755 ids 0/0 sz 0x1000
16:38:10.833751 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], length: 120) 10.1.1.2.2424165859 > 10.1.1.251.2049: 92 getattr fh Unknown/0100000000FD000102000000267681BD418C2B8107B03430418C2B8107B03430
16:38:10.833783 IP (tos 0x0, ttl 64, id 13825, offset 0, flags [DF], length: 140) 10.1.1.251.2049 > 10.1.1.2.2424165859: reply ok 112 getattr DIR 40755 ids 0/0 sz 0x1000


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dap