[linux] Re: nfs mounts willen niet
Wybo Dekker
wybo op servalys.nl
Vr Mrt 30 11:17:17 CEST 2007
Hans van der Made wrote:
> Hoi Wybo,
>
>> Ik heb drie machines met SuSE-10.1 in een lan hangen.
>> Alledrie kunnen ze elkaars exports mounten, met 1 uitzondering:
>> de exports van een van de drie kunnen op de andere twee niet gemount
>> worden; een mount -t nfs drie:/home /mnt zegt:
>>
>> mount server reported tcp not available, falling back to udp
>> mount: RPC: Program not registered
>
> Kijk even naar verschillen tussen de systemen, wat betreft:
>
> * firewallconfiguratie (iptables -L)
> * kernel-verschillen, met name geladen modules (lsmod)
nou, die geven beide op alle machines sterk verschillende resultaten,
waar ik geen touw aan kan vastknopen. De probleemmachine wijkt niet
meer dan de andere machines af. Zie de geattachte diff3 outputs (1: is
de probleemmachine)
> * /etc/fstab - mountopties
die had ik juist bij allemaal gelijk gemaakt:
rsize=8192,wsize=8192,timeo=14,intr,noauto
Zie ook de geattachte fstab van de probleemmachine.
> Kennelijk gebruik je NFS over TCP, is dat met opzet?
Ik heb gewoon de Suse-opzet laten gebeuren, en lezend in mount(1)
krijg ik de indruk dat ze daar ook voor tcp pleiten i.v.m.
reassembling van packets die bij udp nodig zou zijn.
--
Wybo
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-- Attached file included as plaintext by Ecartis --
-- File: fstab
/dev/hda1 / reiserfs acl,user_xattr 1 1 # 10
/dev/hda2 swap swap defaults 0 0 # 10
/dev/hda3 /data1 reiserfs defaults,noauto 1 2 # 10
#/dev/hda5 /data2 reiserfs defaults,noauto 1 2 # 10
/dev/hda6 /home reiserfs defaults 1 2 # 10
/dev/hda7 /local reiserfs defaults 1 2 # 10
/dev/sda1 /store reiserfs defaults 1 2 # 10
/dev/sdb1 /stick auto defaults,user 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
debugfs /sys/kernel/debug debugfs noauto 0 0
usbfs /proc/bus/usb usbfs noauto 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
/dev/fd0 /a auto noauto,user,sync 0 0
/dev/hdc /dvd auto defaults,ro,user,exec 0 0
/store/texlive /TeX iso9660 loop 0 0
pluto:/ /pluto nfs rsize=8192,wsize=8192,timeo=14,intr,noauto 0 0
pluto:/store /plutos nfs rsize=8192,wsize=8192,timeo=14,intr,noauto 0 0
venus:/ /venus nfs rsize=8192,wsize=8192,timeo=14,intr,noauto 0 0
venus:/home /venush nfs rsize=8192,wsize=8192,timeo=14,intr,noauto 0 0
venus:/local /venusl nfs rsize=8192,wsize=8192,timeo=14,intr,noauto 0 0
venus:/store /venuss nfs rsize=8192,wsize=8192,timeo=14,intr,noauto 0 0
-- Attached file included as plaintext by Ecartis --
-- File: iptables.diff3
====2
1:6a
3:6a
2:7c
input_ext all -- anywhere anywhere
====2
1:23c
3:23c
Chain input_ext (2 references)
2:24c
Chain input_ext (3 references)
====1
1:24a
2:26c
3:25c
ACCEPT udp -- anywhere anywhere PKTTYPE = broadcast udp dpt:ipp
====
1:36,46c
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 tcp dpt:4080 flags:FIN,SYN,RST,ACK/SYN LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-TCP '
ACCEPT tcp -- anywhere anywhere tcp dpt:4080
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 tcp dpt:http flags:FIN,SYN,RST,ACK/SYN LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-TCP '
ACCEPT tcp -- anywhere anywhere tcp dpt:http
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 tcp dpt:ssh flags:FIN,SYN,RST,ACK/SYN LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-TCP '
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
ACCEPT udp -- anywhere anywhere udp dpt:tftp
LOG udp -- anywhere anywhere limit: avg 3/min burst 5 state NEW udp dpt:889 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT udp -- anywhere anywhere udp dpt:889
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 state NEW tcp dpt:890 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT tcp -- anywhere anywhere tcp dpt:890
2:38,42c
ACCEPT udp -- anywhere anywhere udp dpt:ipp
LOG udp -- anywhere anywhere limit: avg 3/min burst 5 state NEW udp dpt:896 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT udp -- anywhere anywhere udp dpt:896
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 state NEW tcp dpt:897 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT tcp -- anywhere anywhere tcp dpt:897
3:37,44c
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 tcp dpt:ssh flags:FIN,SYN,RST,ACK/SYN LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-TCP '
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
ACCEPT udp -- anywhere anywhere udp dpt:ipp
ACCEPT udp -- anywhere anywhere udp dpt:tftp
LOG udp -- anywhere anywhere limit: avg 3/min burst 5 state NEW udp dpt:dctp LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT udp -- anywhere anywhere udp dpt:dctp
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 state NEW tcp dpt:vpps-via LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT tcp -- anywhere anywhere tcp dpt:vpps-via
====
1:55,58c
LOG udp -- anywhere anywhere limit: avg 3/min burst 5 state NEW udp dpt:filenet-tms LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT udp -- anywhere anywhere udp dpt:filenet-tms
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 state NEW tcp dpt:35307 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT tcp -- anywhere anywhere tcp dpt:35307
2:51,54c
LOG udp -- anywhere anywhere limit: avg 3/min burst 5 state NEW udp dpt:mxxrlogin LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT udp -- anywhere anywhere udp dpt:mxxrlogin
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 state NEW tcp dpt:25113 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT tcp -- anywhere anywhere tcp dpt:25113
3:53,56c
LOG udp -- anywhere anywhere limit: avg 3/min burst 5 state NEW udp dpt:filenet-tms LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT udp -- anywhere anywhere udp dpt:filenet-tms
LOG tcp -- anywhere anywhere limit: avg 3/min burst 5 state NEW tcp dpt:51746 LOG level warning tcp-options ip-options prefix `SFW2-INext-ACC-RPC '
ACCEPT tcp -- anywhere anywhere tcp dpt:51746
-- Attached file included as plaintext by Ecartis --
-- File: lsmod.diff3
====1
1:4c
af_packet 19464 2
2:4c
3:4c
af_packet 19336 2
====1
1:6,8c
aic7xxx 147636 0
apparmor 48284 0
ata_piix 10244 0
2:6c
3:6c
apparmor 47004 0
====1
1:10c
binfmt_misc 10376 1
2:7a
3:7a
====
1:12,14c
cdrom 32288 2 sr_mod,ide_cd
crc_ccitt 2176 1 hisax
dm_mod 52200 0
2:9,13c
cdrom 32416 1 ide_cd
cpufreq_ondemand 5660 1
cpufreq_powersave 1792 0
cpufreq_userspace 3732 0
dm_mod 52584 0
3:9,12c
cdrom 32416 2 sr_mod,ide_cd
dm_mod 52584 0
e100 32264 0
e1000 102712 0
====3
1:16c
2:15c
ehci_hcd 26760 0
3:13a
====2
1:17a
3:14a
2:17c
ext3 117384 1
====
1:19,23c
fat 46492 1 vfat
hisax 386512 1
ide_cd 35360 0
ide_core 115900 4 usb_storage,ide_cd,piix,ide_disk
ide_disk 14976 5
2:19,29c
fat 46620 1 vfat
firmware_class 9856 2 pcmcia,ipw2100
freq_table 4228 1 speedstep_centrino
i2c_core 19728 1 i2c_i801
i2c_i801 8076 0
i8xx_tco 6804 0
ide_cd 35488 0
ide_core 116540 3 ide_cd,piix,ide_disk
ide_disk 15104 4
ieee80211 28232 1 ipw2100
ieee80211_crypt 5248 1 ieee80211
3:16,23c
i2c_algo_bit 8200 1 i2c_i810
i2c_core 19728 2 i2c_algo_bit,i2c_i801
i2c_i801 8076 0
i2c_i810 4868 0
i8xx_tco 6804 0
ide_cd 35488 0
ide_core 116540 3 ide_cd,piix,ide_disk
ide_disk 15104 8
====
1:32c
ipt_LOG 5632 19
2:38c
ipt_LOG 5632 16
3:32c
ipt_LOG 5632 17
====
1:37,50c
ipv6 216832 26 ip6t_REJECT
isdn 119392 5 hisax
libata 65296 1 ata_piix
lockd 60136 3 nfsd,nfs
loop 14984 2
nfnetlink 6040 2 ip_nat,ip_conntrack
nfs 185708 2
nfs_acl 3584 2 nfsd,nfs
nfsd 196752 9
nls_utf8 2048 1
osst 46496 0
parport 31944 1 parport_pc
parport_pc 34916 0
pci_hotplug 23988 1 shpchp
2:43,56c
ipv6 215808 31 ip6t_REJECT
ipw2100 68144 0
jbd 54944 1 ext3
lockd 60008 3 nfs,nfsd
loop 14728 2
mii 5120 1 via_rhine
nfnetlink 6168 2 ip_nat,ip_conntrack
nfs 186348 0
nfs_acl 3584 2 nfs,nfsd
nfsd 196880 9
nls_utf8 2048 1
pci_hotplug 24372 1 shpchp
pcmcia 34492 0
pcmcia_core 37008 3 pcmcia,yenta_socket,rsrc_nonstatic
3:37,48c
ipv6 215808 21 ip6t_REJECT
lockd 60008 3 nfsd,nfs
loop 14728 0
mii 5120 1 e100
nfnetlink 6168 2 ip_nat,ip_conntrack
nfs 186348 0
nfs_acl 3584 2 nfsd,nfs
nfsd 196880 9
osst 46624 0
parport 32200 1 parport_pc
parport_pc 34916 0
pci_hotplug 24372 1 shpchp
====
1:52,76c
processor 22724 1 thermal
raw 39456 0
reiserfs 209664 4
scsi_mod 121992 9 sg,st,osst,sr_mod,usb_storage,aic7xxx,scsi_transport_spi,libata,sd_mod
scsi_transport_spi 20736 1 aic7xxx
sd_mod 16144 2
sg 30620 0
shpchp 39104 0
slhc 6272 1 isdn
snd 50692 8 snd_pcm_oss,snd_mixer_oss,snd_seq,snd_seq_device,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
snd_ac97_bus 2176 1 snd_ac97_codec
snd_ac97_codec 82848 1 snd_intel8x0
snd_intel8x0 30108 0
snd_mixer_oss 16256 1 snd_pcm_oss
snd_page_alloc 9608 2 snd_intel8x0,snd_pcm
snd_pcm 79880 3 snd_pcm_oss,snd_intel8x0,snd_ac97_codec
snd_pcm_oss 42752 0
snd_seq 46960 0
snd_seq_device 7948 1 snd_seq
snd_timer 20868 2 snd_seq,snd_pcm
soundcore 8672 1 snd
sr_mod 14500 0
st 34204 0
sunrpc 130620 11 nfsd,nfs,lockd,nfs_acl
tg3 88964 0
2:58,75c
processor 22592 2 speedstep_centrino,thermal
reiserfs 210944 1
rsrc_nonstatic 12416 1 yenta_socket
shpchp 39488 0
snd 51076 8 snd_pcm_oss,snd_mixer_oss,snd_seq,snd_seq_device,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
snd_ac97_bus 2176 1 snd_ac97_codec
snd_ac97_codec 82848 1 snd_intel8x0
snd_intel8x0 30236 0
snd_mixer_oss 16512 1 snd_pcm_oss
snd_page_alloc 9608 2 snd_intel8x0,snd_pcm
snd_pcm 80136 3 snd_pcm_oss,snd_intel8x0,snd_ac97_codec
snd_pcm_oss 42752 0
snd_seq 47216 0
snd_seq_device 7948 1 snd_seq
snd_timer 20868 2 snd_seq,snd_pcm
soundcore 8672 1 snd
speedstep_centrino 6736 0
sunrpc 130620 10 nfs,nfsd,lockd,nfs_acl
3:50,59c
processor 22592 1 thermal
raw 39584 0
reiserfs 210944 4
scsi_mod 122120 5 sg,st,osst,sr_mod,sd_mod
sd_mod 16144 0
sg 31004 0
shpchp 39488 0
sr_mod 14500 0
st 34332 0
sunrpc 130620 11 nfsd,nfs,lockd,nfs_acl
====
1:79,84c
usb_storage 69952 1
usbcore 108804 4 usb_storage,ehci_hcd,uhci_hcd
vfat 11648 0
x_tables 11524 10 xt_pkttype,ipt_LOG,xt_limit,ip6t_REJECT,xt_tcpudp,ipt_REJECT,xt_state,iptable_nat,ip_tables,ip6_tables
xt_limit 2432 19
xt_pkttype 1792 3
2:78,84c
usbcore 109700 4 usbhid,ehci_hcd,uhci_hcd
usbhid 39392 0
vfat 11648 0
via_rhine 20868 0
x_tables 11908 10 xt_pkttype,ipt_LOG,xt_limit,ip6t_REJECT,xt_tcpudp,ipt_REJECT,xt_state,iptable_nat,ip_tables,ip6_tables
xt_limit 2432 16
xt_pkttype 1792 4
3:62,66c
usbcore 109700 3 usbhid,uhci_hcd
usbhid 39392 0
x_tables 11908 10 xt_pkttype,ipt_LOG,xt_limit,ip6t_REJECT,xt_tcpudp,ipt_REJECT,xt_state,iptable_nat,ip_tables,ip6_tables
xt_limit 2432 17
xt_pkttype 1792 4
====
1:86c
xt_tcpudp 3072 26
2:86,87c
xt_tcpudp 3072 21
yenta_socket 23692 1
3:68c
xt_tcpudp 3072 24
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