On Fri, 16 May 2014 17:47:58 Rohan McLeod wrote: > Russell Coker wrote: > > On Fri, 16 May 2014 15:51:40 Rohan McLeod wrote: > >> We started discussing SSD boot drives and it was suggested > >> that SSD boot drives with both sata 3.0 and PCIe interfaces > >> suffer from a fairly severe slow-down problem after about > >> 6 - 12months use. > >> 1/ Has anyone noticed such a problem ? > >> 2/ If such problem exists any theories ? > >> - all I could think was that somehow boot drives were subject to extreme > >> wear > >> and the reallocated 'cells' were at the end and somehow the replacement > >> 'out-of-sequence' cells; > >> were slowing the drive down in the manner of a fragmented rotating drive > >> ? > > > > There is nothing special about boot drives. Drives just respond to read > > and write requests, booting is no different from other reads. > > > > http://etbe.coker.com.au/2014/04/27/swap-breaking-ssd/ > > Many thanks for your reply Russell; > can I take it that: > > "......... I’ve documented my unsuccessful experiments with using USB-flash > for the root filesystem of a gateway server [2] (and the flash device > that wasn’t used for swap died too)......" > > indicates that you have also used 'designed for use as harddrive' SSD's > and found no such slow down problem ? > ie not only should not exist; but does not exist ?
In workstations and servers I use Intel SATA SSDs that are designed for such use. Using USB flash devices (that I got free at trade shows) was an experiment which showed that cheap flash isn't much good. -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/ _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
