I have a FreeIPA server set up on EL 6.4 with the following package
versions:
ipa-admintools-3.0.0-26.el6_4.4.x86_64
krb5-libs-1.10.3-10.el6_4.6.x86_64
ipa-server-selinux-3.0.0-26.el6_4.4.x86_64
ipa-client-3.0.0-26.el6_4.4.x86_64
ipa-pki-common-theme-9.0.3-7.el6.noarch
krb5-server-1.10.3-10.el6_4.6.x86_64
ipa-server-3.0.0-26.el6_4.4.x86_64
krb5-workstation-1.10.3-10.el6_4.6.x86_64
ipa-python-3.0.0-26.el6_4.4.x86_64
When I try to start it the startup fails:
# ipactl start
Starting Directory Service
Starting dirsrv:
EXAMPLE-COM... [ OK ]
PKI-IPA... [ OK ]
Starting KDC Service
Starting Kerberos 5 KDC: krb5kdc: cannot initialize realm EXAMPLE.COM -
see log file for details
[FAILED]
Failed to start KDC Service
Shutting down
Stopping Kerberos 5 KDC: [FAILED]
Stopping Kerberos 5 Admin Server: [FAILED]
Stopping httpd: [FAILED]
Stopping pki-ca: [ OK ]
Shutting down dirsrv:
EXAMPLE-COM...
[ OK ]
PKI-IPA... [ OK ]
Aborting ipactl
So trying to start krb5kdc:
# service krb5kdc start
Starting Kerberos 5 KDC: krb5kdc: cannot initialize realm EXAMPLE.COM -
see log file for details
[FAILED]
Unfortunately there is nothing in /var/log/krb5kdc.log. Looking in
/var/log/messages I see:
Oct 3 08:28:25 ipa0 krb5kdc[26676]: No such file or directory - while
initializing database for realm EXAMPLE.COM
Unfortunately it doesn't tell us which file is missing. Strace helps
here though:
# strace -f /usr/sbin/krb5kdc -r EXAMPLE.COM -P /var/run/krb5kdc.pid
...
open("/var/kerberos/krb5kdc/principal", O_RDONLY) = -1 ENOENT (No such
file or directory)
gettimeofday({1380814261, 82991}, NULL) = 0
open("/etc/localtime", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=2819, ...}) = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=2819, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f095f58d000
read(4,
"TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 4096)
= 2819
lseek(4, -1802, SEEK_CUR) = 1017
read(4,
"TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\5\0\0\0\5\0\0\0\0"..., 4096)
= 1802
close(4) = 0
munmap(0x7f095f58d000, 4096) = 0
sendto(3, "<35>Oct 3 08:31:01 krb5kdc[2669"..., 115, MSG_NOSIGNAL,
NULL, 0) = 115
munmap(0x7f0956c7e000, 2200608) = 0
write(2, "krb5kdc: cannot initialize realm"..., 74krb5kdc: cannot
initialize realm EXAMPLE.COM - see log file for details
) = 74
exit_group(1) = ?
Sure enough /var/kerberos/krb5kdc/principal doesn't exist. I have no
idea why though and no backup to restore from, yet. Was still in the
process of setting this machine up.
Is this a known issue? Any theories on why it went missing?
And most importantly, any ideas on my recovery process here? Do I have
to throw my KRB5 database away and start from scratch?
Cheers,
b.
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