[OpenAFS] Problems on AFS Unix clients after AFS fileserver moves
Rich Sudlow
rich@nd.edu
Tue, 09 Aug 2005 12:31:21 -0500
Derrick J Brashear wrote:
> On Tue, 9 Aug 2005, Rich Sudlow wrote:
>
>>>> [root@xeon028 root]# ls -l /afs/nd.edu/common/custom
>>>> ls: /afs/nd.edu/common/custom/hpcc: Connection timed out
>>>
>>>
>>>
>>> i assume if you fs flushmount hpcc it gets better?
>>
>>
>> I wish ;-)
>
>
> ok, so what happens network-wise after you say fs flushv in common, then
> ls again. (tcpdump -vv -s 1500 port 7000 and watch the network traffic)
fs flushvolume /afs/nd.edu /afs/nd.edu/common /afs/nd.edu/common/custom
/afs/nd.edu/common/custom/hpcc
fs flushmount /afs/nd.edu /afs/nd.edu/common /afs/nd.edu/common/custom
/afs/nd.edu/common/custom/hpcc
while using tcpdump -vv -s 1500 -i eth1 port 7000
12:27:09.030372 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc7b4
call# 42 seq 1 ser 173 <client-init>,<last-pckt> fs call fetch-status
fid 536870919/2/22297 (44) (DF) (ttl 64, id 57995, len 72)
12:27:09.031116 emdall.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc7b4 call# 42 seq 1
ser 236 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 21104,
len 176)
12:27:09.031615 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b4
call# 42 seq 0 ser 174 <client-init>,<slow-start> fir 2 0n (65) (DF)
(ttl 64, id 57996, len 93)
12:27:09.031788 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc7b4
call# 43 seq 1 ser 175 <client-init>,<last-pckt> fs call fetch-status
fid 536889195/4/3 (44) (DF) (ttl 64, id 57997, len 72)
12:27:09.032313 emdall.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc7b4 call# 43 seq 1
ser 237 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 21105,
len 176)
12:27:09.032510 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b4
call# 43 seq 0 ser 176 <client-init>,<slow-start> fir 2 0n (65) (DF)
(ttl 64, id 57998, len 93)
12:27:09.032749 xeon028.afs3-callback >
priddy.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc80c
call# 30 seq 1 ser 62 <client-init>,<last-pckt> fs call fetch-status fid
536872982/34/31616 (44) (DF) (ttl 64, id 57999, len 72)
12:27:09.033861 priddy.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc80c call# 30 seq 1
ser 35 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 58352,
len 176)
12:27:09.034041 xeon028.afs3-callback >
priddy.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc80c
call# 30 seq 0 ser 63 <client-init>,<slow-start> fir 2 0n (65) (DF) (ttl
64, id 58000, len 93)
12:27:12.370168 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc7b4
call# 44 seq 1 ser 177 <client-init>,<last-pckt> fs call fetch-status
fid 536870919/2/22297 (44) (DF) (ttl 64, id 58001, len 72)
12:27:12.370715 emdall.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc7b4 call# 44 seq 1
ser 238 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 21106,
len 176)
12:27:12.370877 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b4
call# 44 seq 0 ser 178 <client-init>,<slow-start> fir 2 0n (65) (DF)
(ttl 64, id 58002, len 93)
12:27:12.371005 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc7b4
call# 45 seq 1 ser 179 <client-init>,<last-pckt> fs call fetch-status
fid 536889195/4/3 (44) (DF) (ttl 64, id 58003, len 72)
12:27:12.371649 emdall.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc7b4 call# 45 seq 1
ser 239 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 21107,
len 176)
12:27:12.371746 xeon028.afs3-callback >
emdall.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b4
call# 45 seq 0 ser 180 <client-init>,<slow-start> fir 2 0n (65) (DF)
(ttl 64, id 58004, len 93)
12:27:12.371873 xeon028.afs3-callback >
priddy.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc80c
call# 31 seq 1 ser 64 <client-init>,<last-pckt> fs call fetch-status fid
536872982/34/31616 (44) (DF) (ttl 64, id 58005, len 72)
12:27:12.372945 priddy.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc80c call# 31 seq 1
ser 36 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 58353,
len 176)
12:27:12.373028 xeon028.afs3-callback >
priddy.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc80c
call# 31 seq 0 ser 65 <client-init>,<slow-start> fir 2 0n (65) (DF) (ttl
64, id 58006, len 93)
12:27:12.373152 xeon028.afs3-callback >
bert.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc7b0
call# 89 seq 1 ser 219 <client-init>,<last-pckt> fs call fetch-status
fid 1918991272/966/11826 (44) (DF) (ttl 64, id 58007, len 72)
12:27:12.374128 bert.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx ack cid ceccc7b0 call# 89 seq 0
ser 131 <req-ack>,<slow-start> fir 1 0p* (66) (DF) (ttl 252, id 3509,
len 94)
12:27:12.374180 xeon028.afs3-callback >
bert.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b0
call# 89 seq 0 ser 220 <client-init>,<slow-start> fir 1 131r (65) (DF)
(ttl 64, id 58008, len 93)
12:27:12.374732 bert.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc7b0 call# 89 seq 1
ser 132 <last-pckt> fs reply fetch-status (148) (DF) (ttl 252, id 3510,
len 176)
12:27:12.374846 xeon028.afs3-callback >
bert.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b0
call# 89 seq 0 ser 221 <client-init>,<slow-start> fir 2 0n (65) (DF)
(ttl 64, id 58009, len 93)
12:27:12.374927 xeon028.afs3-callback >
bert.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc7b0
call# 90 seq 1 ser 222 <client-init>,<last-pckt> fs call fetch-data fid
1918991272/966/11826 offset 0 length 17 (52) (DF) (ttl 64, id 58010, len 80)
12:27:12.375727 bert.helios.nd.edu.afs3-fileserver >
xeon028.afs3-callback: [udp sum ok] rx data cid ceccc7b0 call# 90 seq 1
ser 133 <last-pckt> fs reply fetch-data (169) (DF) (ttl 252, id 3511,
len 197)
12:27:12.375830 xeon028.afs3-callback >
bert.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc7b0
call# 90 seq 0 ser 223 <client-init>,<slow-start> fir 2 0n (65) (DF)
(ttl 64, id 58011, len 93)
26 packets received by filter
I also saw some attempts to contact reno when running tcpdump too.
12:22:00.717951 xeon028.afs3-callback >
reno.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc87c
call# 1 seq 1 ser 1 <client-init>,<last-pckt> fs call get-time (32) (DF)
(ttl 64, id 52214, len 60)
12:22:01.507927 xeon028.afs3-callback >
reno.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc87c
call# 1 seq 1 ser 2 <client-init>,<req-ack>,<last-pckt> fs call get-time
(32) (DF) (ttl 64, id 52215, len 60)
12:22:02.527991 xeon028.afs3-callback >
reno.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc87c
call# 1 seq 1 ser 3 <client-init>,<req-ack>,<last-pckt> fs call get-time
(32) (DF) (ttl 64, id 52216, len 60)
12:22:04.058099 xeon028.afs3-callback >
reno.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc87c
call# 1 seq 1 ser 4 <client-init>,<req-ack>,<last-pckt> fs call get-time
(32) (DF) (ttl 64, id 52217, len 60)
12:22:06.098225 xeon028.afs3-callback >
reno.helios.nd.edu.afs3-fileserver: [udp sum ok] rx ack cid ceccc87c
call# 1 seq 0 ser 5 <client-init>,<req-ack>,<slow-start> fir 1 0p (65)
(DF) (ttl 64, id 52218, len 93)
12:22:06.608256 xeon028.afs3-callback >
reno.helios.nd.edu.afs3-fileserver: [udp sum ok] rx data cid ceccc87c
call# 1 seq 1 ser 6 <client-init>,<req-ack>,<last-pckt> fs call get-time
(32) (DF) (ttl 64, id 52219, len 60)
Rich
>
>
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--
Rich Sudlow
University of Notre Dame
Office of Information Technologies
321 Information Technologies Center
PO Box 539
Notre Dame, IN 46556-0539
(574) 631-7258 office phone
(574) 631-9283 office fax