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<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>We have a production environment (3 vols)
that we take clones of (EMC symclone) for dev and test environments.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>Host: SuSE 9.3<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>Kernel: 2.6.5-7.282-smp<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>OCFS2: ocfs-tools-1.2.1-4.2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>When a single clone environment (all 3
volumes) is mounted on a dev system it mounts fine. If a second clone set is created
(another 3 volumes) and presented to a host that has an environment already
mounted, I can see the new volumes with no problem. (cat /proc/partitions as
well as mounted.ocfs2 –f)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>When I attempt to mount the second set of
volumes (while the first set is still mounted up) I get an error:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>mount.ocfs2: File exists while mounting
/dev/emcpowerj on /oradata/erp07/datafiles/1<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>I've used tunefs.ocfs2 to give them unique
labels, but the UUID’s are the same as production since they are clones
(so each “set” matches each other’s UUID’s):<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>#mounted.ocfs2 -d<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>Device
FS
UUID
Label<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/sdb
ocfs2
016b8942-7176-45d2-bd94-457a34d78550 erp07_dbf1<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/sdc
ocfs2 b1df8ba0-e4d2-427d-8990-adef0c9eea40 erp07_dbf2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/sdd
ocfs2 afaef410-ae8d-4136-b072-f416473b0c02 erp07_dbf3<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/sde
ocfs2 016b8942-7176-45d2-bd94-457a34d78550 erp01_dbf1<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/sdh
ocfs2 b1df8ba0-e4d2-427d-8990-adef0c9eea40 erp01_dbf2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/sdk
ocfs2 afaef410-ae8d-4136-b072-f416473b0c02 erp01_dbf3<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/emcpowerj
ocfs2 016b8942-7176-45d2-bd94-457a34d78550 erp07_dbf1<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/emcpowerk
ocfs2 b1df8ba0-e4d2-427d-8990-adef0c9eea40 erp07_dbf2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/emcpowerl
ocfs2 afaef410-ae8d-4136-b072-f416473b0c02 erp07_dbf3<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/emcpowera
ocfs2 016b8942-7176-45d2-bd94-457a34d78550 erp01_dbf1<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/emcpowerb
ocfs2 b1df8ba0-e4d2-427d-8990-adef0c9eea40 erp01_dbf2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>/dev/emcpowerc
ocfs2 afaef410-ae8d-4136-b072-f416473b0c02 erp01_dbf3<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>It appears that the UUID name is picked up
from the production volumes and OCFS will only allow one UUID to mount at any
given time.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;font-family:"Courier New";color:navy'>I saw in the
documentation (<a
href="http://oss.oracle.com/projects/ocfs2-tools/dist/documentation/tunefs.ocfs2.html"
title="http://oss.oracle.com/projects/ocfs2-tools/dist/documentation/tunefs.ocfs2.html"><font
color=navy><span style='color:navy'>http://oss.oracle.com/projects/ocfs2-tools/dist/documentation/tunefs.ocfs2.html</span></font></a>)
that tunefs.ocfs2 had a “--uuid-reset” option, but it isn’t
in the version I’m running (according to MY man pages).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;font-family:"Courier New";color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>Is there a way to assign a new UUID to a
volume (without destroying the volume)?<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>Thanks!<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color=navy face="Courier New"><span
style='font-size:9.0pt;color:navy'>Kim<o:p></o:p></span></font></p>
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