[rt-users] RT and Disaster Recovery - problem

Guadagnino Cristiano guadagnino.cristiano at creval.it
Thu Sep 3 05:51:48 EDT 2015

thank you for your reply.

No, the VMs do not have any snapshot enabled.


-----Messaggio originale-----
Da: Alex Vandiver <alex at chmrr.net>
Inviato: Wed Sep 02 2015 19:35:20 GMT+0200 (CEST)
A: Guadagnino Cristiano <guadagnino.cristiano at creval.it>
Cc: "rt-users at lists.bestpractical.com" <rt-users at lists.bestpractical.com>
Oggetto: Re: [rt-users] RT and Disaster Recovery - problem

> 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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