Bug 172841
Summary: | aacraid does not support TRIM in Raw (Pass Through) devices | ||
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Product: | SCSI Drivers | Reporter: | Badalyan Vyacheslav (v.badalyan) |
Component: | DC395X | Assignee: | scsi_drivers-dc395x |
Status: | RESOLVED OBSOLETE | ||
Severity: | normal | CC: | david.carroll |
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
Kernel Version: | 4.7.4-1.el7.elrepo.x86_64 | Subsystem: | |
Regression: | No | Bisected commit-id: | |
Attachments: | AACRAID get config 1 |
Hi Badalyan, We are aware of the issue, and this is on our list of topics for a future release. I'd like to put this is acknowledged. Thanks, -Dave Long. I sold and took a LSI |
Created attachment 239601 [details] 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>