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I faced a big issue with DRBD.
OS : Linux Debian 6
Kernel : 2.6.32-4
DRBD : 8.3.14
My primary server (srv2-2) was totally unreachable, it only replied to ping.
Apache, SSH etc... were not replying anymore.
So I connected to my secondary server (srv2-1) and closed communication between both.
This made srv2-2 available again !
I decided however to change srv2-1 from Secondary to Primary and to reboot srv2-2.
on srv2-2, sar tells me that some of my CPU cores were 100% used (100% iowait) during all the time frame in which I had "time expired" errors.
Could you help me please ?
Thank you very much,
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