On Mon, May 23, 2011 at 02:29:22PM -0500, Robert Nichols wrote: > On 05/23/2011 01:44 PM, Jerry Franz wrote: > > > > But, for paranoia's sake, I would RAID1 the SSD with a second SSD. > > > > Quote from > http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/newmds-ssdtuning.html > > : > > Red Hat also warns that software RAID levels 1, 4, 5, and 6 are not > recommended for use on SSDs. During the initialization stage of these > RAID levels, some RAID management utilities (such as mdadm) write to > all of the blocks on the storage device to ensure that checksums > operate properly. This will cause the performance of the SSD to degrade > quickly. >
Huh. Maybe LVM mirroring would be alright. Ray _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
