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<p class=MsoNormal>Hello All,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>We’re hosting DB1 and DB2 with db_block_size set
to 8K, 16K respectively<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>File system creation is done with mkfs.ocfs2 -b 4K -C 32K -N
4 -L LABLE /dev/mapper/xxxx<o:p></o:p></p>
<p class=MsoNormal>Mount is done with: ocfs2
_netdev,datavolume,nointr 0 0<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I’d like to know if we can separate most of the tablespaces
on different LUNs, even if they’re on the same disk group sometimes, is
it possible to gain better performance? Is the impact limited to the time of
creating the tablespaces only (assuming they’re pre-sized properly)?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Current OCFS2 version is 1.2.1<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Current OCFS2 components:<o:p></o:p></p>
<p class=MsoNormal>ocfs2-tools-1.1.4-0.5<o:p></o:p></p>
<p class=MsoNormal>ocfs2console-1.1.4-0.5<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal># uname -r<o:p></o:p></p>
<p class=MsoNormal>Kernel 2.6.5-7.257-default<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal># cat /etc/SuSE-release<o:p></o:p></p>
<p class=MsoNormal>SUSE LINUX Enterprise Server 9 (ia64) VERSION = 9 PATCHLEVEL
= 3<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Oracle 10.1.0.5<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Appreciate your input <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Best regards,<o:p></o:p></p>
<p class=MsoNormal>Karim<o:p></o:p></p>
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