https://bugzilla.kernel.org/show_bug.cgi?id=172841 Bug ID: 172841 Summary: aacraid does not support TRIM in Raw (Pass Through) devices Product: SCSI Drivers Version: 2.5 Kernel Version: 4.7.4-1.el7.elrepo.x86_64 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: DC395X Assignee: scsi_drivers-dc395x@xxxxxxxxxxxxxxxxxxxx Reporter: v.badalyan@xxxxxxxxxx Regression: No Created attachment 239601 --> https://bugzilla.kernel.org/attachment.cgi?id=239601&action=edit AACRAID get config 1 Have SW raid 10. 8 x Intel SSD Can't do fstrim. mount -o discard does not add discard flag to mount point [root@nas ~]# fstrim -v /mnt/SSD/ fstrim: /mnt/SSD/: the discard operation is not supported [root@nas ~]# hdparm -I /dev/sdm | grep -i trim * Data Set Management TRIM supported (limit 1 block) * Deterministic read data after TRIM [root@nas ~]# mount | grep SSD /dev/md127 on /mnt/SSD type xfs (rw,relatime,attr2,inode64,sunit=1024,swidth=4096,noquota) [root@nas ~]# cat /proc/mdstat Personalities : [raid10] md127 : active raid10 sdp1[0] sdr1[7] sdn1[6] sdm1[5] sdk1[4] sdl1[3] sdq1[2] sdo1[1] 937195520 blocks super 1.2 512K chunks 2 near-copies [8/8] [UUUUUUUU] bitmap: 7/7 pages [28KB], 65536KB chunk unused devices: <none> -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
