Hi I have a Corsair Flash Voyager GTX USB3 memory stick which is advertised as supporting TRIM. I assume there are several other manufacturers with similar devices My device is working well (ext4) and is very fast but does not appear to respond to the TRIM command even though hdparm suggests it should I have found the same problem referenced here https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1336541 but following the kernel link I am not totally convinced things are happening upstream Should I bugzilla this against Fedora this or just wait? John On fully updated F20 ja@paxos ~ 1$ uname -a Linux paxos 3.15.10-200.fc20.x86_64 #1 SMP Thu Aug 14 15:39:24 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux [root@paxos:~]$ hdparm -I /dev/sdb ATA device, with non-removable media Model Number: Voyager GTX Serial Number: FF1807470C0800110923 Firmware Revision: S9FM01.7 Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0 ... * Data Set Management TRIM supported (limit 8 blocks) ... root@paxos:~]$ mount -o noatime,discard /dev/sdb1 /media/gtx [root@paxos:~]$ mount |grep sd ... /dev/sdb1 on /media/gtx type ext4 (rw,noatime,seclabel,discard,data=ordered) However dmesg shows [Aug19 21:21] EXT4-fs (sdb1): mounting with "discard" option, but the device does not support discard [ +0.000004] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: discard [ +0.000005] SELinux: initialized (dev sdb1, type ext4), uses xattr [Aug19 21:24] SELinux: initialized (dev 0:47, type nfs4), uses genfs_contexts and [root@paxos:~]$ fstrim -v /media/gtx fstrim: /media/gtx: discard operation not supported. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
