[Samba] open failed (Too many open files in system)

[Ilia Chipitsine]

OS X is supposed to be FreeBSD-based (sure, I even ran "ifconfig", "mount" 
and bunch of utilities :-)

try

sysctl -a | grep files

I supplied my /etc/sysctl.conf (I'm currently sitting on FreeBSD, not on 
Mac OS X, so I just hope it will help)


> I am running Samba 3.0.5 on OS X 10.3.8 Server.  It's the stock Samba 
> supplied by Apple with no modifications.  I am running a variety of shares on 
> the system to around 50 PC clients.
>
> I came into the office this morning with a dead Xserve... could not login, 
> could not ping or ssh into the system.  Users in the office could not even 
> browse the network.  When they tried to browse the workgroup (which includes 
> other native local shared folders on users PC) they received the resource not 
> found error from Windows.
>
> We are set-up with non-pdc shares in a normal single subnet and singe 
> workgroup 'OROURKE'.  My logs rolled before I could dig back earlier in the 
> morning but this was the first sign in my smbd logs:
>
> [2005/03/11 08:21:05, 0] 
> /SourceCache/samba/samba-59/samba/source/tdb/tdbutil.c:tdb_log(725)
>  tdb(/private/var/samba/registry.tdb): tdb_reopen: open failed (Too many 
> open files in system)
>
> and syslog:
>
> Mar 11 03:15:02 xserve1 syslogd: restart
> Mar 11 07:05:52 xserve1 kernel: file: table is full
> Mar 11 07:06:10 xserve1 last message repeated 3 times
>
> << repeats >>
>
> Mar 11 15:15:07 xserve1 /usr/sbin/snmpd: warning: cannot open 
> /etc/hosts.allow: Too many open files in system
> Mar 11 08:15:15 xserve1 kernel: file: table is full
> Mar 11 08:15:43 xserve1 last message repeated 3 times
>
> << repeats >>
>
> Mar 11 08:27:28 localhost syslogd: restart	// I manually restarted the 
> at this point
>
> Also to add to it my MRTG plots show some strange data:
>
> http://www.orourke.ca/mrtg/xserve/smb.html
>
> This is from a simple script that parses the smbstatus output and counts the 
> number of smb connections to the Xserve.  The flatline @ 4 AM is the odd 
> part.  The value roughly matches the number of PC's in the office and the 
> office is empty at this point.
>
> This with the network issue when I came in this morning makes me pretty sure 
> it's a samba related issue.  My [global] smb.conf entries are below
>
> Dan
>
> ------------
> [global]
>        getwd cache = yes
>        log level = 2
>        display charset = UTF-8-MAC
>        print command = /usr/sbin/PrintServiceAccess printps %p %s
>        lprm command = /usr/sbin/PrintServiceAccess remove %p %j
>        security = user
>        guest account = unknown
>        encrypt passwords = yes
>        printing = BSD
>        allow trusted domains = no
>        preferred master = yes
>        lppause command = /usr/sbin/PrintServiceAccess hold %p %j
>        netbios name = fileserver
>        wins support = no
>        add machine script = /usr/bin/opendirectorypdbconfig -c 
> create_computer_account -r %u -n "/LDAPv3/127.0.0.1"
>        max smbd processes = 0
>        printcap =
>        server string = Apple Xserve / RAID
>        lpresume command = /usr/sbin/PrintServiceAccess release %p %j
>        logon drive = H:
>        client ntlmv2 auth = no
>        domain logons = yes
>        lpq command = /usr/sbin/PrintServiceAccess jobs %p
>        admin users = @admin
>        passdb backend = opendirectorysam guest
>        unix charset = UTF-8-MAC
>        dos charset = CP437
>        socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE 
> SO_SNDBUF=8576 SO_RCVBUF=8576
>        auth methods = guest opendirectory
>        local master = yes
>        use spnego = no
>        domain master = yes
>        logon path = \\%N\profiles\%u
>        printer admin = @admin, @staff
>        map to guest = Never
>        workgroup = OROURKE
>
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kern.maxfiles=65536
kern.maxfilesperproc=32768
kern.sugid_coredump=1
debug.elf_legacy_coredump=1