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 -- 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
