[MontelLUG] Samba e connessioni aleatorie

Daneel Olivaw daneel.olivaw.r a gmail.com
Gio 30 Ago 2007 11:50:54 CEST


Salve lista!
Il nuovo server dati sta funzionando; io speravo bene, ma come al
solito a qualcuno non va che tutto fili liscio...

Il problema è questo: le segretarie si collegano agli
applicativi/files/cartelle nel server per lavorare, ma ogni pochi
minuti si ritrovano con un errore che fa pensare alla caduta della
connessione. Però se chiudono l'applicazione/cartella/quello_che_è e
riaprono, tutto rifunziona di nuovo.

Un po' di log (scusate la lunghezza '^_^); quello che segue è
l'estratto del log di samba per l'utente "silvia" sulla macchina
"pcsilvia", le è partito anche un file...

[2007/08/30 08:22:21, 0] lib/util_sock.c:write_data(562)
  write_data: write failure in writing to client 192.168.5.248. Error
Connection reset by peer
[2007/08/30 08:22:21, 0] lib/util_sock.c:send_smb(769)
  Error writing 4 bytes to client. -1. (Connection reset by peer)
[2007/08/30 08:23:18, 0] lib/util_sock.c:write_data(562)
  write_data: write failure in writing to client 192.168.5.248. Error
Connection reset by peer
[2007/08/30 08:23:18, 0] lib/util_sock.c:send_smb(769)
  Error writing 4 bytes to client. -1. (Connection reset by peer)
[2007/08/30 09:15:21, 0] lib/util_sock.c:write_data(562)
  write_data: write failure in writing to client 192.168.5.248. Error
Connection reset by peer
[2007/08/30 09:15:21, 0] lib/util_sock.c:send_smb(769)
  Error writing 4 bytes to client. -1. (Connection reset by peer)
[2007/08/30 09:31:05, 0] lib/util_sock.c:write_data(562)
  write_data: write failure in writing to client 192.168.5.248. Error
Connection reset by peer
[2007/08/30 09:31:05, 0] lib/util_sock.c:send_smb(769)
  Error writing 4 bytes to client. -1. (Connection reset by peer)
[2007/08/30 09:31:17, 1] smbd/service.c:make_connection_snum(950)
  pcsilvia (192.168.5.248) connect to service ammin initially as user
silvia (uid=1003, gid=1003) (pid 3332)
[2007/08/30 09:31:17, 1] smbd/service.c:close_cnum(1150)
  pcsilvia (192.168.5.248) closed connection to service ammin
[2007/08/30 09:31:17, 1] smbd/service.c:make_connection_snum(950)
  pcsilvia (192.168.5.248) connect to service ammin initially as user
silvia (uid=1003, gid=1003) (pid 3333)
[2007/08/30 09:38:14, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 09:38:14, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 09:40:26, 1] smbd/service.c:close_cnum(1150)
  pcsilvia (192.168.5.248) closed connection to service ammin
[2007/08/30 09:47:21, 0] lib/util_sock.c:read_data(534)
  read_data: read failure for 4 bytes to client 192.168.5.248. Error =
Connection reset by peer
[2007/08/30 09:49:10, 1] smbd/service.c:make_connection_snum(950)
  pcsilvia (192.168.5.248) connect to service ammin initially as user
silvia (uid=1003, gid=1003) (pid 3470)
[2007/08/30 09:49:10, 1] smbd/service.c:close_cnum(1150)
  pcsilvia (192.168.5.248) closed connection to service ammin
[2007/08/30 09:49:10, 1] smbd/service.c:make_connection_snum(950)
  pcsilvia (192.168.5.248) connect to service ammin initially as user
silvia (uid=1003, gid=1003) (pid 3471)
[2007/08/30 09:54:04, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 09:54:04, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:10:17, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:10:17, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:22:52, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:22:52, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:36:29, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:36:29, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:49:31, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:49:31, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 10:58:42, 0] smbd/service.c:make_connection(1111)
  pcsilvia (192.168.5.248) couldn't find service silvi
[2007/08/30 10:58:44, 0] smbd/service.c:make_connection(1111)
  pcsilvia (192.168.5.248) couldn't find service ammi
[2007/08/30 11:03:48, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 11:03:48, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 11:12:38, 1] smbd/service.c:close_cnum(1150)
  pcsilvia (192.168.5.248) closed connection to service ammin
[2007/08/30 11:15:17, 1] smbd/service.c:make_connection_snum(950)
  pcsilvia (192.168.5.248) connect to service ammin initially as user
silvia (uid=1003, gid=1003) (pid 3658)
[2007/08/30 11:15:17, 1] smbd/service.c:close_cnum(1150)
  pcsilvia (192.168.5.248) closed connection to service ammin
[2007/08/30 11:15:17, 1] smbd/service.c:make_connection_snum(950)
  pcsilvia (192.168.5.248) connect to service ammin initially as user
silvia (uid=1003, gid=1003) (pid 3658)
[2007/08/30 11:26:21, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 11:26:21, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 11:39:28, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2007/08/30 11:39:28, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!

Ci capite qualcosa? Ci possono essere problemi su samba, o è il client
che dà i numeri? La cosa strana è che la collega al suo fianco riporta
le stesse cose, mentre un altro dice che a lui funziona tutto... Ah, i
client sono winxp

Oh, dimenticavo, la versione di samba:

isaac:/var/log/samba# dpkg -l | grep samba
ii  libcrypt-smbhash-perl    0.12-1                          generate
LM/NT hash of a password for samba
ii  samba                    3.0.24-6etch4                   a
LanManager-like file and printer server fo
ii  samba-common             3.0.24-6etch4                   Samba
common files used by both the server a
ii  samba-doc                3.0.24-6etch4                   Samba documentation

Grassie e a presto :-)
Daneel Olivaw

-- 
"Chi è pronto a rinunciare alle proprie libertà fondamentali per
comprarsi briciole di temporanea sicurezza non merita né la libertà né
la sicurezza" - Benjamin Franklin




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