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<DIV><FONT size=2>Hello everyone,</FONT></DIV>
<DIV><FONT size=2> I have some Lustre1.6.6 manual failove problem. I
have two MDS four OSS and two clients .And the two MDS make failover, the four
OSS make two failover.</FONT></DIV>
<DIV>two MDS have share storage<BR>[root@mds1 ~]# mkfs.lustre --fsname=testfs
--mdt --mgs --failnode=mds2 /dev/sdb<BR>[root@mds1 ~]# mkdir -p
/mnt/mdt<BR>[root@mds1 ~]# mount -t lustre /dev/sdb /mnt/mdt<BR>[root@mds2 ~]#
mkdir -p /mnt/mdt<BR>[root@mds2 ~]# mount -t lustre /dev/sdb /mnt/mdt<BR><FONT
size=2>two OSS have share storage</FONT></DIV>
<DIV>[root@oss1 ~]mkfs.lustre --fsname=testfs --ost --failnode=oss2
--mgsnode=mds1 --mgsnode=mds2 /dev/sdb<BR>[root@oss1 ~]# mkdir -p
/mnt/ost<BR>[root@oss1 ~]# mount -t lustre /dev/sdb /mnt/ost<BR>[root@oss2 ~]#
mkdir -p /mnt/ost<BR>[root@oss2 ~]# mount -t lustre /dev/sdb /mnt/ost<BR><FONT
size=2>two OSS have share storage</FONT></DIV>
<DIV>[root@oss3 ~]mkfs.lustre --fsname=testfs --ost --failnode=oss4
--mgsnode=mds1 --mgsnode=mds2 /dev/sdb<BR>[root@oss3 ~]# mkdir -p
/mnt/ost<BR>[root@oss3 ~]# mount -t lustre /dev/sdb /mnt/ost<BR>[root@oss4 ~]#
mkdir -p /mnt/ost<BR>[root@oss4 ~]# mount -t lustre /dev/sdb /mnt/ost<BR><FONT
size=2>The Lustre two Clients</FONT><BR>[root@client1 ~]#mkdir
/lustre<BR>[root@client1 ~]#mount -t lustre md1:md2:/testfs
/lustre<BR><BR>[root@client2 ~]#mkdir /lustre<BR>[root@client2 ~]#mount -t
lustre md1:md2:/testfs /lustre</DIV>
<DIV> </DIV>
<DIV><FONT size=2>Now, shutdown the mds1 .the client don't use the command "df"
list the disk use .And</FONT></DIV>
<DIV><FONT size=2> shutdown the oss1 or oss3 the same problem.</FONT></DIV>
<DIV><FONT size=2>I want ask : how manual failover under the Lustre1.6.6
</FONT></DIV>
<DIV><FONT size=2>I read the Lustre1.6 manual ,the failover need the heartbeat
software and so on ,but should have manual failover?</FONT></DIV>
<DIV><FONT size=2>How to do ?</FONT></DIV>
<DIV><FONT size=2>Thankyou very much!</FONT></DIV>
<DIV><FONT
size=2>
WangLin</FONT></DIV>
<DIV><FONT
size=2>
2008-12-18</FONT><BR></DIV></BODY></HTML>