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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Please forgive my ignorance here, but isn’t the purpose of ocfs2
to allow multiple nodes to access the same storage device at the same time? So
I’m confused as to why I would have to issue these statements for multipath. I
am attempting to setup an Oracle RAC system, using the following instructions:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><a
href="http://www.oracle.com/technology/pub/articles/hunter_rac10gr2_2.html#16">http://www.oracle.com/technology/pub/articles/hunter_rac10gr2_2.html#16</a><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks.<span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> V Srinivas
[mailto:vaungasrinu@gmail.com] <br>
<b>Sent:</b> Monday, June 30, 2008 7:18 AM<br>
<b>To:</b> Tina Soles<br>
<b>Subject:</b> Re: [Ocfs2-users] Problems building ocfs2 rpm on Fedora 9<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p style='margin-bottom:0in;margin-bottom:.0001pt'>#mdadm --create /dev/md65 -l
multipath -n 1 /dev/sdb1 on both nodes.<br>
is sdb1 is raid with other.<o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p>
<div>
<p class=MsoNormal><span class=gmailquote>On 30/06/2008, <b>Tina Soles</b> <<a
href="mailto:tina.soles@strsoftware.com">tina.soles@strsoftware.com</a>>
wrote:</span><o:p></o:p></p>
<div>
<div>
<p><span style='font-size:11.0pt;color:#1F497D'>Sure, I'm using Fedora 9,
kernel = 2.6.25-14.fc9.i686</span><o:p></o:p></p>
<p><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in 0in 0in;
border-color:-moz-use-text-color -moz-use-text-color'>
<p><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:
10.0pt'> V Srinivas [mailto:<a href="mailto:vaungasrinu@gmail.com"
target="_blank">vaungasrinu@gmail.com</a>] <br>
<b>Sent:</b> Monday, June 30, 2008 7:04 AM<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt'><br>
<span class=e><b>To:</b> Tina Soles</span><br>
<span class=e><b>Subject:</b> Re: [Ocfs2-users] Problems building ocfs2 rpm on
Fedora 9</span><o:p></o:p></span></p>
</div>
</div>
<div>
<p> <o:p></o:p></p>
<p style='margin-bottom:12.0pt'>Hi ,<br>
Can u tell me about OS u r using.<br>
Rgds,<br>
Srinivas<o:p></o:p></p>
<div>
<p>On 30/06/2008, <b>Tina Soles</b> <<a
href="mailto:tina.soles@strsoftware.com" target="_blank">tina.soles@strsoftware.com</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p><span style='font-size:11.0pt;color:#1F497D'>How do I do that? Sorry, I'm
brand new to ocfs2, so I need explicit instructions </span><span
style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><o:p></o:p></p>
<p><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in 0in 0in;
border-color:-moz-use-text-color'>
<p><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:
10.0pt'> V Srinivas [mailto:<a href="mailto:vaungasrinu@gmail.com"
target="_blank">vaungasrinu@gmail.com</a>] <br>
<b>Sent:</b> Monday, June 30, 2008 6:57 AM<br>
<b>To:</b> Tina Soles</span><o:p></o:p></p>
<div>
<p><span style='font-size:10.0pt'><br>
<b>Subject:</b> Re: [Ocfs2-users] Problems building ocfs2 rpm on Fedora 9</span><o:p></o:p></p>
</div>
</div>
<div>
<p> <o:p></o:p></p>
<p style='margin-bottom:12.0pt'>Hi tina ,<br>
I think u need to configure multipathing if u want to access the
same sdb1 from both nodes.<br>
<br>
Regards,<br>
Srinivas<o:p></o:p></p>
<div>
<p>On 30/06/2008, <b>Tina Soles</b> <<a
href="mailto:tina.soles@strsoftware.com" target="_blank">tina.soles@strsoftware.com</a>>
wrote:<o:p></o:p></p>
<p>OK, so I mounted the disk from node 1, using:<br>
<br>
mount -t ocfs2 -o nointr /dev/sdb1 /ocfs2/oradata/orcl<br>
<br>
works great:<br>
<br>
#mount<br>
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)<br>
proc on /proc type proc (rw)<br>
sysfs on /sys type sysfs (rw)<br>
devpts on /dev/pts type devpts (rw,gid=5,mode=620)<br>
/dev/sda1 on /boot type ext3 (rw)<br>
tmpfs on /dev/shm type tmpfs (rw)<br>
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)<br>
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)<br>
fusectl on /sys/fs/fuse/connections type fusectl (rw)<br>
gvfs-fuse-daemon on /root/.gvfs type fuse.gvfs-fuse-daemon<br>
(rw,nosuid,nodev)<br>
configfs on /sys/kernel/config type configfs (rw)<br>
ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw)<br>
/dev/sdb1 on /ocfs2/oradata/orcl type ocfs2<br>
(rw,_netdev,nointr,heartbeat=local)<br>
<br>
however, trying to execute the same command from node 2 results in the<br>
following:<br>
<br>
mount -t ocfs2 -o nointr /dev/sdb1 /ocfs2/oradata/orcl<br>
mount.ocfs2: Device or resource busy while mounting /dev/sdb1 on<br>
/ocfs2/oradata/orcl. Check 'dmesg' for more information on this error.<br>
<br>
dmesg on node 1 shows:<br>
<br>
ocfs2: Mounting device (8,17) on (node 0, slot 0) with ordered data<br>
mode.<br>
o2net: accepted connection from node <a href="http://slingshot.strsoftware.com"
target="_blank">slingshot.strsoftware.com</a> (num 1)<br>
at <a href="http://192.168.0.28:7777" target="_blank">192.168.0.28:7777</a><br>
o2net: no longer connected to node <a href="http://slingshot.strsoftware.com"
target="_blank">slingshot.strsoftware.com</a> (num 1) at<br>
<a href="http://192.168.0.28:7777" target="_blank">192.168.0.28:7777</a><br>
<br>
dmesg on node 2 shows:<br>
<br>
EXT3 FS on sdb1, internal journal<br>
EXT3-fs: mounted filesystem with ordered data mode.<br>
OCFS2 Node Manager 1.5.0<br>
OCFS2 DLM 1.5.0<br>
OCFS2 DLMFS 1.5.0<br>
OCFS2 User DLM kernel interface loaded<br>
OCFS2 Node Manager 1.5.0<br>
OCFS2 DLM 1.5.0<br>
OCFS2 DLMFS 1.5.0<br>
OCFS2 User DLM kernel interface loaded<br>
o2net: connected to node <a href="http://skydive.strsoftware.com"
target="_blank">skydive.strsoftware.com</a> (num 0) at<br>
<a href="http://192.168.0.27:7777" target="_blank">192.168.0.27:7777</a><br>
OCFS2 1.5.0<br>
o2net: no longer connected to node <a href="http://skydive.strsoftware.com"
target="_blank">skydive.strsoftware.com</a> (num 0) at<br>
<a href="http://192.168.0.27:7777" target="_blank">192.168.0.27:7777</a><br>
<br>
Do I have something configured incorrectly, or do I need an additional<br>
option in my mount command?<br>
<br>
Thanks....<br>
<br>
<br>
-----Original Message-----<br>
From: <a href="mailto:SUNIL.MUSHRAN@ORACLE.COM" target="_blank">SUNIL.MUSHRAN@ORACLE.COM</a>
[mailto:<a href="mailto:SUNIL.MUSHRAN@ORACLE.COM" target="_blank">SUNIL.MUSHRAN@ORACLE.COM</a>]<br>
Sent: Sunday, June 29, 2008 11:20 PM<br>
To: Tao Ma; Tina Soles<br>
Cc: <a href="mailto:ocfs2-users@oss.oracle.com" target="_blank">ocfs2-users@oss.oracle.com</a><br>
Subject: Re: [Ocfs2-users] Problems building ocfs2 rpm on Fedora 9<br>
<br>
datavolume mount option is only on ocfs2 for enterprise kernels.<br>
<br>
For most part, you shouldn't require it for using it as a datastore.<br>
Instead set init.ora param filesystemio_options to directio (or is it<br>
odirect).<br>
<br>
The only bit that won't work here is using ocfs2 for the voting disk and<br>
ocr... as datavolume is necessary to force enable odirect.<br>
But you can always use raw for that.<br>
<br>
Sunil<br>
<br>
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<a href="http://oss.oracle.com/mailman/listinfo/ocfs2-users" target="_blank">http://oss.oracle.com/mailman/listinfo/ocfs2-users</a><o:p></o:p></p>
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