[Ocfs2-users] OCFS2 volumes do no mount automatically on RHEL4 also

Sunil Mushran Sunil.Mushran at oracle.com
Tue Jun 28 13:49:02 CDT 2005


o2cb is configured to run before netfs.

Zafar_Mahmood at dell.com wrote:

>On RHEL4 also, the service o2cb starts later than _netdev device mounts.
>So mount fails. Should the o2cb service start earlier to fix this?
>
>
>Zafar
>
>-----Original Message-----
>From: ocfs2-users-bounces at oss.oracle.com
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>Today's Topics:
>
>   1. Re: mounting ocfs2 partitions on boot (Sunil Mushran)
>   2. Dual NICs for OCFS2 (Ivan Vasquez)
>   3. Re: Dual NICs for OCFS2 (Zach Brown)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Mon, 27 Jun 2005 11:46:15 -0700
>From: Sunil Mushran <Sunil.Mushran at oracle.com>
>Subject: Re: [Ocfs2-users] mounting ocfs2 partitions on boot
>To: Jan Schmidt <schmidt4 at uni-greifswald.de>
>Cc: ocfs2-users at oss.oracle.com
>Message-ID: <42C04977.1070205 at oracle.com>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>SLES does not appear to have the script to support mounting
>_netdev devices on boot.
>
>So, add the command(s) in /etc/init.d/boot.local to explicitly
>mount the volume(s) on bootup.
>
>mount -t ocfs2 /dev/sdX /dir
>
>Jan Schmidt wrote:
>
>  
>
>>It seems, that the volumes are not mounted automatically on SLES9. Are
>>    
>>
>
>  
>
>>there any
>>further requirements to make this work? After adding _netdev at fstab 
>>I can boot the
>>system without mount errors, but the volumes are not mounted after 
>>ocfs2 is available
>>and before the OCM, database etc. are started.
>>
>>At 00:24 25.06.2005, Sunil Mushran wrote:
>>
>>    
>>
>>>1. Specify load on boot in o2cb configure.
>>>2. Specify device as _netdev in /etc/fstab.
>>>
>>>/dev/sdc1              /ocfs                   ocfs2
>>>_netdev,defaults        0       0
>>>
>>>It works.
>>>
>>>Jan Schmidt wrote:
>>>
>>>      
>>>
>>>>Hi list,
>>>>
>>>>today, I installed a two node Oracle 10g RAC system on SLES9 SP2 RC2
>>>>        
>>>>
>
>  
>
>>>>which shares
>>>>(via a SAN) a database volume and a quorum (ocr and voting). This 
>>>>volumes are formated
>>>>with ocfs2 - so far no problem.
>>>>At the moment I'm stuck with the mounting of these volumes at boot 
>>>>time. The user-guide
>>>>of ocfs2-tools mentions to add the corresponding lines to fstab - 
>>>>but at the time when
>>>>fstab is processed the ocfs2 cluster isn't available (it will be 
>>>>started later).
>>>>Is there any way (without hacking rc scripts etc.) to load this 
>>>>volumes as boot time?
>>>>
>>>>Thanks
>>>>Jan Schmidt
>>>>
>>>>_______________________________________________
>>>>Ocfs2-users mailing list
>>>>Ocfs2-users at oss.oracle.com
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>>>>        
>>>>
>>---------------------------------------------------------------
>>AG Anwendungen/Multimedia Rechenzentrum Universit?t Greifswald
>>http://www.multimedia.uni-greifswald.de/
>>Tel: +49 3834 861416 Fax: +49 3834 8680016
>>
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>>    
>>
>
>
>
>------------------------------
>
>Message: 2
>Date: Tue, 28 Jun 2005 10:03:12 -0400
>From: "Ivan Vasquez" <ivan at itos.uga.edu>
>Subject: [Ocfs2-users] Dual NICs for OCFS2
>To: <ocfs2-users at oss.oracle.com>
>Message-ID:
>	<E847569A71B97E418C1BD5315164F98FDE48D3 at HERMES.itos.uga.edu>
>Content-Type: text/plain;	charset="US-ASCII"
>
>To avoid a single point of failure, we are configuring an Oracle cluster
>with two private NICs per node. They are directly attached via crossover
>cable to its peer on the other server (two-node cluster).
>
>How can we tell OCFS2 that it has available a second card?
>
>Here is our cluster.conf:
>
>node:
>        ip_port = 7777
>        ip_address = 10.10.2.1
>        number = 0
>        name = neo
>        cluster = rac
>
>node:
>        ip_port = 7777
>        ip_address = 10.10.2.2
>        number = 1
>        name = trinity
>        cluster = rac
>
>cluster:
>        node_count = 2
>        name = rac
>
>Thanks,
>Ivan
>
>
>------------------------------
>
>Message: 3
>Date: Tue, 28 Jun 2005 09:33:59 -0700
>From: Zach Brown <zach.brown at oracle.com>
>Subject: Re: [Ocfs2-users] Dual NICs for OCFS2
>To: Ivan Vasquez <ivan at itos.uga.edu>
>Cc: ocfs2-users at oss.oracle.com
>Message-ID: <42C17BF7.3060402 at oracle.com>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>Ivan Vasquez wrote:
>  
>
>>To avoid a single point of failure, we are configuring an Oracle
>>    
>>
>cluster
>  
>
>>with two private NICs per node. They are directly attached via
>>    
>>
>crossover
>  
>
>>cable to its peer on the other server (two-node cluster).
>>
>>How can we tell OCFS2 that it has available a second card?
>>    
>>
>
>OCFS2 doesn't specifically deal with this setup itself.  You can 
>configure the two interfaces to be bonded into a single logical one in 
>the kernel and OCFS2 will use that bonded interface, via its IP address,
>
>just like it would a typical single interface.
>
>A good place to start might be the kernel's documentation of this 
>functionality.  It mentions that some distributions have config files 
>that help manage the bonded interfaces.
>
>	http://lxr.linux.no/source/Documentation/networking/bonding.txt
>
>- z
>
>
>------------------------------
>
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