On Sat, 22 May 2010 17:03:12 +0200 jean-francois <[email protected]> wrote:
> Good afternoon gents, > > I am building up a server with basically a solid state drive for the > OS and a 1 TB hard drive for the datas. > > In order to maximize the life time of the SSD, I will avoir mounting > slides that sustain continuous or sparsed write access. > > Could you briefly let me know the do's and don't ? > > Thanks. > > Jean-FranC'ois > keep everything at multiples of eraseblock-size of your drive. eraseblock-size on most ssds is 512k, some use 128k. start the partition (offset) at 2048 sectors / 1mb dont use the full drive, only for example 90%, this will make the ssd live longer, but it might be obsolete before it dies anyway. again inside the partition make slices multiples of eraseblock-size big. dont use disklables unit conversion for this, calculate the sector size on your own. and yes, under load all that manual alignment stuff makes a difference in speed and longlivity of the drive.
