On 11/04/2013 03:10 PM, Josh Fisher wrote: > > On 11/4/2013 1:27 PM, Phil Stracchino wrote:
>> Honestly, based upon experience as a DBA at a hosting company that hosts >> MANY customers using MySQL, my first advice on using MySQL on top of >> DRBD would be "Just don't." > ... I have been using MySQL > on DRBD in mode C for quite some time and have seen drive failures, NIC > failures, and node failures without any data loss or db problems I could > attribute to DRBD. I've been running a wordpress site or 2 w/ drbd'ed mysql db for years without problems, either. However, don't think I had any failures in e.g. a middle of a huge OLTP spike... With few transactions and almost no concurrent ones it's rock solid -- on top of obsolete no longer supported heartbeat -- your distro's cluster manager du jour is another worm in that can. -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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