[rt-users] RT and Disaster Recovery - problem

Alex Vandiver alex at chmrr.net
Wed Sep 2 13:35:20 EDT 2015


On Wed, Sep 02, 2015 at 03:11:52PM +0000, Guadagnino Cristiano wrote:
> Our RT servers are virtualized on VMware.
> [snip]
> However, the problem is that - after reconfiguring the VMs - RT becomes 
> slow as a snail (tens of seconds for each page change/refresh).

Do the VMs have any snapshots enabled?  I know that historically, at
least, the mere presence of a snapshot file caused all I/O to be COW,
which caused order-of-magnitude I/O bandwidth degradation.
 - Alex


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