6:19 p.m.
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Hi,
I was able to migrate the oVirt Engine from one host to another using
engine-backup utility. On the new host, the data is loaded properly but
the Administration Portal is terribly slow.
It take about 2 to 3 minutes to allow me to enter user name & password.
Once logged in, it takes hell a lot of time to show up the data. Click
on a tab, we need to wait for a good amount of time to see the actual
data. Even the refresh is taking time to execute although it is set to 5
Seconds.
But if I enable old server and connect, every thing works quickly.
Note:
1. We do not have DNS in our environment.
2. Engine name & even the IP is retained the same.
3. Before migration, we stopped ovirt-engine on old server, took the
backup, shutdown & disconnected the old server.
4. We installed the ovirt-engine on new server, run engine setup, noted
down the DB password, did engine-cleanup, restored the data using
engine-backup utility and executed engine-setup again. It did recognize
restored data and only httpd configuration was sought and we selected
the defaults.
Result is terribly slow Web Console.
First, we attempted to setup ovirt-reports and later removed it thinking
that may be slowing down the engine server. Yet the same result.
Commands used to backup from old server: "engine-backup --mode=backup
--file=<filename> --log=<log file name> --provision-db"
Command used to restore on new server: "engine-backup --mode=restore
--file=<backup-file-name> --log=<log-file-name> --change-db-credentials
--db-host=localhost --db-user=engine --db-name=engine
--db-password=<password noted down in step 4> --no-restore-permissions"
The command executed without any errors, resulting in a terribly slow
web console.
Note: Without --restore-permissions, the restore fails. Did not
understand what to give as restore permissions. Hence used
--no-restore-permissions.
*Hardware configuration:*
*
**Old Server:* i3 Processor, 4 GB Memory, 1 Gbps NIC
*New Server :* Lenovo x3250 M5 Server with Intel Xeon Processor, 16 GB
RAM, 2 X 1 Gbps NIC.
Just unable to understand why it is terribly slow.
--
Thanks & Regards,
Anantha Raghava
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<font face="Liberation Serif">Hi,<br>
<br>
I was able to migrate the oVirt Engine from one host to another
using engine-backup utility. On the new host, the data is loaded
properly but the Administration Portal is terribly slow.<br>
<br>
It take about 2 to 3 minutes to allow me to enter user name &
password. Once logged in, it takes hell a lot of time to show up
the data. Click on a tab, we need to wait for a good amount of
time to see the actual data. Even the refresh is taking time to
execute although it is set to 5 Seconds.<br>
</font><br>
<font face="Liberation Serif">But if I enable old server and
connect, every thing works quickly.<br>
<br>
Note:<br>
<br>
1. We do not have DNS in our environment.<br>
2. Engine name & even the IP is retained the same.<br>
3. Before migration, we stopped ovirt-engine on old server, took
the backup, shutdown & disconnected the old server.<br>
4. We installed the ovirt-engine on new server, run engine setup,
noted down the DB password, did engine-cleanup, restored the data
using engine-backup utility and executed engine-setup again. It
did recognize restored data and only httpd configuration was
sought and we selected the defaults.<br>
<br>
Result is terribly slow Web Console.<br>
<br>
First, we attempted to setup ovirt-reports and later removed it
thinking that may be slowing down the engine server. Yet the same
result.<br>
<br>
Commands used to backup from old server: </font><font
face="Liberation Serif">
<meta http-equiv="content-type" content="text/html;
charset=utf-8">
"engine-backup --mode=backup --file=<filename> --log=<log
file name> --provision-db"<br>
Command used to restore on new server: "engine-backup
--mode=restore --file=<backup-file-name>
--log=<log-file-name> --change-db-credentials
--db-host=localhost --db-user=engine --db-name=engine
--db-password=<password noted down in step 4>
--no-restore-permissions"<br>
<br>
The command executed without any errors, resulting in a terribly
slow web console.<br>
<br>
Note: Without --restore-permissions, the restore fails. Did not
understand what to give as restore permissions. Hence used
--no-restore-permissions.<br>
<br>
<b>Hardware configuration:</b><br>
<b><br>
</b><b>Old Server:</b> i3 Processor, 4 GB Memory, 1 Gbps
NIC<br>
<b>New Server :</b> Lenovo x3250 M5 Server with Intel Xeon
Processor, 16 GB RAM, 2 X 1 Gbps NIC.<br>
<br>
Just unable to understand why it is terribly slow.<br>
</font>
<div class="moz-signature">
<p>-- </p>
<p style="margin-bottom: 0cm; line-height: 100%"><font
face="Times
New Roman, serif"><font face="Times New Roman,
serif">T</font>hanks
&
Regards,</font></p>
<address style="line-height: 100%"><font face="Times New
Roman,
serif">Anantha
Raghava</font></address>
<br>
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