Amit a...@ikf.co.in wrote:
Hi Everyone,
Last month I upgraded my server hardware and migrated QMT from old
server to
new server, but after up-gradation I started facing problem in Outlook.
My
users Outlook automatically goes into offline mode. All 100 users are
on
IMAP. Differences of Old and new scenario mentioned below:
OLD Server
Hardware: Intel Core2Quad, 2 GB RAM, 250 GB HDD * 1 No
Software: CentOS 5.4 32 bit, QMT 32 bit and Dovecot 32 bit
NEW Server
Hardware: Intel Xeon E5620 processor, 8 GB RAM, 2 TB * 2 No HDD (RAID
1)
Software: CentOS 5.8 64 bit, QMT 64 bit and Dovecot 64 bit
I also noticed on new server that RAM utilization going very high.
Attaching
screen shot of the same below:
Kindly let me know if any further details required.
Thanks,
Amit
Hi Amit,
At first glance your memory usage seems OK. You have approx 6GB of ram as
cached.
Is your new server set to sync time with an ntp server? Dovecot is very
sensitive to drift in clocks.
Bharath
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