On 01/27/2014 05:45 PM, John Doe wrote: > From: Matt <matt.mailinglists at gmail.com> > >> I am thinking I will not have much I/O traffic on the SSD hopefully >> extending its lifespan. If it dies I will just need to reinstall >> Centos on a replacement SSD. My critical files will be in /vz that I >> need backup on and I think RAID1 will give me double read speed on >> that array. Trying to balance cost/performance/redundancy here. > > Not sure if it is still the case but if my memory is correct, some time ago, RH was advising against using mdraid on ssds because of the mdraid surface scans or resyncs. > I cannot find the source anymore... SSD will NOT have RAID on it. He wrote so. And that can take his server offline until /boot is reinstalled. -- Ljubomir Ljubojevic (Love is in the Air) PL Computers Serbia, Europe StarOS, Mikrotik and CentOS/RHEL/Linux consultant