I'm surprised that you can actually turn it on without a battery. I suspect that this is not a write-through/write-back cache but be forewarned that if there's no battery, it's possible that things you thought were written to the hard drive on shutdown/restart/hang/crash might not ever be written to the hard drive(s)
Craig On Sep 1, 2011, at 4:17 PM, Austin Godber wrote: > Hi Craig, > > Thanks for the suggestion. I would if I could. I'd also probably try > another file system. Though the good news is, enabling the write cache on > that array has improved things significantly. Which, in my case, was: > > tw_cli /c2/u0 set cache=on > > Now, if only I had the battery backup unit for the card. > > Thanks, everyone for their suggestions. For now I am happy with the > situation, but I'd be interested to hear the experiences of others. > > Austin > > On Thu, Sep 1, 2011 at 3:58 PM, Craig White <craig.wh...@ttiltd.com> wrote: > > On Sep 1, 2011, at 1:41 PM, Austin Godber wrote: > > > Hello, > > > > Does anyone have experience using a 3ware 9650SE series raid controller on > > CentOS 6.0? > ---- > use RAID 10 > > Unless something has changed, RAID 5 is notoriously slow on the 3Ware > controllers. Whatever you do will only incrementally speed things up. If > performance is desired, RAID 5 is not the way to go. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
