<font color="#000066"><font size="2"><font face="trebuchet ms,sans-serif">Alexander,<br><br>What you're describing is more of a replicated disk (a la "drbd") rather than shared disk.<br><br>Shared disk means a Fibre Channel disk presented to multiple hosts, or an iScsi disk presented to multiple hosts.<br>
<br><br></font></font></font><br><div class="gmail_quote">On Wed, Jul 14, 2010 at 3:44 PM, Alexander Nagel <span dir="ltr"><<a href="mailto:alexander@acwn.de">alexander@acwn.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hi,<br>
<br>
Am 14.07.2010 21:08, schrieb Ulf Zimmermann:<br>
<div class="im">> OCFS2 requires shared storage. Is /dev/sdb a shared device?<br>
</div>thanks for your quick response, and that clarify the situation.<br>
/dev/sdb is a single harddisk in the servers, it is not a shared<br>
storage. I thought that ocfs2 would work then like a single disk.<br>
What type of storage must this shared device be?<br>
<br>
thanks<br>
<font color="#888888">Alexander<br>
</font><div><div></div><div class="h5"><br>
><br>
><br>
>> -----Original Message-----<br>
>> From: <a href="mailto:ocfs2-users-bounces@oss.oracle.com">ocfs2-users-bounces@oss.oracle.com</a> [mailto:<a href="mailto:ocfs2-users-">ocfs2-users-</a><br>
>> <a href="mailto:bounces@oss.oracle.com">bounces@oss.oracle.com</a>] On Behalf Of Alexander Nagel<br>
>> Sent: Wednesday, July 14, 2010 12:03 PM<br>
>> To: <a href="mailto:Ocfs2-users@oss.oracle.com">Ocfs2-users@oss.oracle.com</a><br>
>> Subject: [Ocfs2-users] some beginner questions<br>
>><br>
>> Hi,<br>
>><br>
>> I'am new to ocfs2 filesystem and I have some questions about it.<br>
>><br>
>> I installed three server according to the user guide from<br>
>> <a href="http://oss.oracle.com/projects/ocfs2/dist/documentation/v1.4/ocfs2-1_4-" target="_blank">http://oss.oracle.com/projects/ocfs2/dist/documentation/v1.4/ocfs2-1_4-</a><br>
>> usersguide.pdf<br>
>><br>
>> For every single server I have a working ocfs2 partition<br>
>> /dev/sdb1 on /mnt/oc1 type ocfs2 (rw,_netdev,heartbeat=local)<br>
>><br>
>> As I understand the ocfs2 system I can use now these partition as a<br>
>> single data storage. But it doesn't work. When I create a file or<br>
>> directory on the ocfs2 partition, it doesn't "appear" on the other<br>
>> servers.<br>
>><br>
>> SERVER01:<br>
>> server01:~# echo "sdhfksjdhfskhskjgh">> /mnt/oc1/testfile<br>
>> server01:~# cat /mnt/oc1/testfile<br>
>> sdhfksjdhfskhskjgh<br>
>> server01:~# ls -lh /mnt/oc1/<br>
>> insgesamt 0<br>
>> drwxr-xr-x 2 root root 3,9K 13. Jul 16:53 lost+found<br>
>> -rw-r--r-- 1 root root 19 14. Jul 20:48 testfile<br>
>><br>
>><br>
>> SERVER02<br>
>> server02:~# ls -lh /mnt/oc1/<br>
>> insgesamt 0<br>
>> drwxr-xr-x 2 root root 3,9K 13. Jul 16:34 lost+found<br>
>><br>
>><br>
>> server03 same result<br>
>><br>
>> The config file is the same on all three servers. I made it and copied<br>
>> it with the gui program on all three servers. So all server have the<br>
>> absolutly same file.<br>
>><br>
>> What did I miss? Can somebody give me a hint? Or did I misunderstand<br>
>> the<br>
>> ocfs2?<br>
>><br>
>> thanks<br>
>> Alexander<br>
>><br>
>><br>
>> --<br>
>><br>
>> Alexander Nagel<br>
>> E-mail: <a href="mailto:alexander@acwn.de">alexander@acwn.de</a><br>
>> Homepage:<br>
>> <a href="http://www.acwn.de/" target="_blank">http://www.acwn.de/</a><br>
>> <a href="http://www.standspur-kadaver.de/" target="_blank">http://www.standspur-kadaver.de/</a><br>
>><br>
>> _______________________________________________<br>
>> Ocfs2-users mailing list<br>
>> <a href="mailto:Ocfs2-users@oss.oracle.com">Ocfs2-users@oss.oracle.com</a><br>
>> <a href="http://oss.oracle.com/mailman/listinfo/ocfs2-users" target="_blank">http://oss.oracle.com/mailman/listinfo/ocfs2-users</a><br>
<br>
</div></div>--<br>
<div><div></div><div class="h5"><br>
Alexander Nagel<br>
E-mail: <a href="mailto:alexander@acwn.de">alexander@acwn.de</a><br>
Homepage:<br>
<a href="http://www.acwn.de/" target="_blank">http://www.acwn.de/</a><br>
<a href="http://www.standspur-kadaver.de/" target="_blank">http://www.standspur-kadaver.de/</a><br>
<br>
_______________________________________________<br>
Ocfs2-users mailing list<br>
<a href="mailto:Ocfs2-users@oss.oracle.com">Ocfs2-users@oss.oracle.com</a><br>
<a href="http://oss.oracle.com/mailman/listinfo/ocfs2-users" target="_blank">http://oss.oracle.com/mailman/listinfo/ocfs2-users</a><br>
</div></div></blockquote></div><br>