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Full Discussion: AIX - boot - nfs problem
Operating Systems AIX AIX - boot - nfs problem Post 302397922 by jarekkk on Tuesday 23rd of February 2010 09:50:29 AM
Old 02-23-2010
AIX - boot - nfs problem

Hello Experts,
I'm trying to boot my AIX server via network using another AIX as a boot server. I use tcpdump to monitor the process. After my boot client received .info file and mounted nfs resource (checked by 'showmount -a' from boot server) it hung. I noticed a lot of following entries:

Code:
11:28:52.078893 IP (tos 0x0, ttl  60, id 55081, offset 0, flags [DF], length: 152) 10.3.121.66.1356698857 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.079192 IP (tos 0x0, ttl  60, id 55082, offset 0, flags [DF], length: 152) 10.3.121.66.1356698858 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.089877 IP (tos 0x0, ttl  60, id 55083, offset 0, flags [DF], length: 152) 10.3.121.66.1356698859 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.091572 IP (tos 0x0, ttl  60, id 55084, offset 0, flags [DF], length: 152) 10.3.121.66.1356698860 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.091873 IP (tos 0x0, ttl  60, id 55085, offset 0, flags [DF], length: 152) 10.3.121.66.1356698861 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.145286 IP (tos 0x0, ttl  60, id 55086, offset 0, flags [DF], length: 40) 10.3.121.66.32768 > 10.3.121.40.2049: . [tcp sum ok] ack 307169 win 65535

11:31:14.541797 IP (tos 0x0, ttl  60, id 56396, offset 0, flags [DF], length: 152) 10.3.121.66.1356699988 > 10.3.121.40.2049: 112 getattr [|nfs]
11:31:14.557572 IP (tos 0x0, ttl  60, id 56397, offset 0, flags [DF], length: 40) 10.3.121.66.32768 > 10.3.121.40.2049: . [tcp sum ok] ack 437901 win 65535

Any suggestion? What do these entries mean?

regards,
Jarek

Last edited by zaxxon; 02-23-2010 at 12:42 PM.. Reason: use code tags please, ty
 

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PACKET.PKT(1)							 packet.pkt 1.0.1						     PACKET.PKT(1)

NAME
packet.pkt - Pkt module DESCRIPTION
Provides the object for a packet and the string representation of the packet. This object has an attribute for each of the layers in the packet so each layer can be accessed directly instead of going through each layer. To access the nfs layer object you can use 'x.nfs' instead of using 'x.ethernet.ip.tcp.rpc.nfs' which would very cumbersome to use. Also, since NFS can be used with either TCP or UDP it would be harder to to access the nfs object independently or the protocol. Packet object attributes: Pkt( record = Record information (frame number, etc.) ethernet = ETHERNET II (RFC 894) object ip = IPv4 object tcp = TCP object rpc = RPC object nfs = NFS object ) CLASSES
class Pkt(baseobj.BaseObj) Packet object Usage: from packet.pkt import Pkt x = Pkt() Methods defined here: --------------------- __str__(self) String representation of object The representation depends on the verbose level set by debug_repr(). If set to 0 the generic object representation is returned. If set to 1 the representation of is condensed into a single line. It contains, the frame number, IP source and destination and/or the last layer: '1 0.386615 192.168.0.62 -> 192.168.0.17 TCP 2049 -> 708, seq: 3395733180, ack: 3294169773, ACK,SYN' '5 0.530957 00:0c:29:54:09:ef -> ff:ff:ff:ff:ff:ff, type: 0x806' '19 0.434370 192.168.0.17 -> 192.168.0.62 NFS v4 COMPOUND4 call SEQUENCE;PUTFH;GETATTR' If set to 2 the representation of the object is a line for each layer: 'Pkt( RECORD: frame 19 @ 0.434370 secs, 238 bytes on wire, 238 bytes captured ETHERNET: 00:0c:29:54:09:ef -> e4:ce:8f:58:9f:f4, type: 0x800(IPv4) IP: 192.168.0.17 -> 192.168.0.62, protocol: 6(TCP), len: 224 TCP: src port 708 -> dst port 2049, seq: 3294170673, ack: 3395734137, len: 172, flags: ACK,PSH RPC: CALL(0), program: 100003, version: 4, procedure: 1, xid: 0x1437d3d5 NFS: COMPOUND4args(tag='', minorversion=1, argarray=[nfs_argop4(argop=OP_SEQUENCE, ...), ...]) )' SEE ALSO
baseobj(1) BUGS
No known bugs. AUTHOR
Jorge Mora (mora@netapp.com) NFStest 1.0.2 10 April 2013 PACKET.PKT(1)
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