hum, but what about the 850 version instead of 840? 2015-06-13 17:14 GMT-03:00 Mikael Abrahamsson <swmike@xxxxxxxxx>: > On Sat, 13 Jun 2015, Roberto Spadim wrote: > >> hi guys, i`m setting up a new server, it have >> 1) 2x 256gb sdd >> Samsung SSD 850 PRO 256GB, EXM02B6Q >> 500118192 sectors, multi 1: LBA48 NCQ (depth 31/32) >> 2)1tb hdd >> Hitachi HUA722010CLA330, JP4OA3EA >> 1953525168 sectors, multi 16: LBA48 NCQ (depth 31/32) >> >> i`m plannig a raid1 with ssd and hdd, hdd being a "write-mostly", and >> 750gb of hdd i will use to backup or other useless files >> >> i have somedoubts about the setup.. >> i use xfs at filesystem, should i consider TRIM command at filesystem? >> the problem is hdd being part of raid1 setup with others ssd, could >> the ssd receive the TRIM and the hdd too? >> any idea is wellcome > > > Frankly, reading about the firmware problems on Samsung SSDs in combination > with TRIM, I would recommend against using TRIM on samsung drives. > > https://bugs.launchpad.net/ubuntu/+source/fstrim/+bug/1449005 > > -- > Mikael Abrahamsson email: swmike@xxxxxxxxx -- Roberto Spadim SPAEmpresarial - Software ERP Eng. Automação e Controle -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html