On 8/23/18 5:38 AM, bob prohaska wrote:
On Tue, Aug 21, 2018 at 06:47:19PM -0700, Mark Millard wrote:
I've used a SSD both directly via SATA and via a USB enclosure,
the same partitions/file systems across the uses. Only when it
was SATA-style-use did TRIM work.
This is likely the key to my q
On Tue, Aug 21, 2018 at 06:47:19PM -0700, Mark Millard wrote:
>
> I've used a SSD both directly via SATA and via a USB enclosure,
> the same partitions/file systems across the uses. Only when it
> was SATA-style-use did TRIM work.
>
This is likely the key to my question. If USB blocks the TRIM se
bob prohaska fbsd at www.zefox.net wrote on
Wed Aug 22 00:48:33 UTC 2018 :
> On Mon, Aug 20, 2018 at 12:40:56PM -0700, Kirk McKusick wrote:
> > . . .
> >
> > To enable TRIM consolodation either use `sysctl vfs.ffs.dotrimcons=1'
> > or just set the `dotrimcons' variable in sys/ufs/ffs/ffs_alloc.c
On Tuesday, August 21, 2018 17:48:43 Bob Prohaska wrote:
> Will the new feature be active on a Raspberry Pi 3 using flash
> on microSD and USB for file systems and swap?
>
It will work on any UFS file system, as long as the underlying medium supports
TRIM. It will not work for swap because swa
On Mon, Aug 20, 2018 at 12:40:56PM -0700, Kirk McKusick wrote:
> I have recently added TRIM consolodation support for the UFS/FFS
> filesystem. This feature consolodates large numbers of TRIM commands
> into a much smaller number of commands covering larger blocks of
> disk space. Best described by
From: Kirk McKusick
To: FreeBSD Current ,
FreeBSD Filesystems
Subject: CFT: TRIM Consolodation on UFS/FFS filesystems
Date: Mon, 20 Aug 2018 12:40:56 -0700
Oops, forgot that attachments get stripped. Below are the diffs for
gathering statistics. Sorry to those of you on Gmail for whom
I have recently added TRIM consolodation support for the UFS/FFS
filesystem. This feature consolodates large numbers of TRIM commands
into a much smaller number of commands covering larger blocks of
disk space. Best described by the commit message:
Author: mckusick
Date: Sun Aug 19 16:56:42 20
