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On 01/17/2011 11:28 AM, Cameron Kerr wrote:
> Okay, so we need to find out why it can't create its PID file.
>
> First, run dmesg (and scan through the logs) to see if there is anything iSCSI or SELinux-related reported in the logs.
>
> Then, try using strace to run the iscsi process, and see what the error code is (ideally, it ought to have been reported in the message). Something like the following may be useful:
>
> (with root privs)
> strace -f -e trace=file /etc/init.d/iscsi start
>
> The error should be reported near the bottom (look for operations on /var/run/brcm_iscsiuio.pid)
>
> It is my understanding that Centos/Redhat do some SELinux trickery to ensure that all processes can write their own PID file... perhaps some relabeling of the iscsid program is needed.
>
> (disclaimer: I am not yet a SELinux expert)
>
> On 17/01/2011, at 9:59 PM, Rudi Ahlers wrote:
>
>> Hi all,
>>
>> I have the strangest problem on one of our backup server. iscsi
>> doesn't start at all, and gives the following error:
>>
>> [root@2U-NAS ~]# /etc/init.d/iscsi status
>> iscsid is stopped
>>
>>
>>
>> [root@2U-NAS ~]# /etc/init.d/iscsi start
>> iscsid is stopped
>> Starting iSCSI daemon: Unable to create pid file:
>> /var/run/brcm_iscsiuio.pid
>> [FAILED]
>> Setting up iSCSI targets: iscsiadm: No records found!
>> [ OK ]
>>
>>
>> [root@2U-NAS ~]# /etc/init.d/iscsi restart
>> Stopping iSCSI daemon: iscsiadm: can not connect to iSCSI daemon (111)!
>> iscsiadm: initiator reported error (20 - could not connect to iscsid)
>> iscsiadm: Could not stop iscsid. Trying sending iscsid SIGTERM or
>> SIGKILL signals manually
>>
>>
>> iscsid is stopped [ OK ]
>> Starting iSCSI daemon: Unable to create pid file:
>> /var/run/brcm_iscsiuio.pid
>> [FAILED]
>> Setting up iSCSI targets: iscsiadm: No records found!
>> [ OK ]
>>
>>
>> All other services on this machine works fine and could write their
>> pid file, but not iscsi.
>> Google search didn't help me much with this error either. I've
>> uninstalled and reinstalled iSCSi but that doesn't help either.
>>
>> This is on CentOS 5.5
>>
>> [root@2U-NAS ~]# uname -a
>> Linux 2U-NAS 2.6.18-194.32.1.el5xen #1 SMP Wed Jan 5 18:44:24 EST 2011
>> x86_64 x86_64 x86_64 GNU/Linux
>> [root@2U-NAS ~]# cat /etc/redhat-release
>> CentOS release 5.5 (Final)
>>
>>
>>
>> Has anyone seen this before?
>>
>> --
>> Kind Regards
>> Rudi Ahlers
>> SoftDux
>>
>> Website: http://www.SoftDux.com
>> Technical Blog: http://Blog.SoftDux.com
>> Office: 087 805 9573
>> Cell: 082 554 7532
>> _______________________________________________
>> CentOS mailing list
>> CentOS@xxxxxxxxxx
>> http://lists.centos.org/mailman/listinfo/centos
>
> _______________________________________________
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try
restorecon -R -v /var/run
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