Err, RHEL 6 is probably 2.6.32, not 35. But I could be wrong, going off of distrowatch.
On Thu, Feb 14, 2013 at 5:51 PM, Ben Stoutenburgh <[email protected]>wrote: > What version of 2.6. Apparently a lot of what you want to do got added to > 2.6.37, on RHEL 6 you are likely on 2.6.35. > > This thread should have some helpful advice, > http://opensuse.14.n6.nabble.com/sbin-fstrim-home-FITRIM-ioctl-failed-Operation-not-supported-td3320223.html > > -- > Ben > > > On Thu, Feb 14, 2013 at 10:03 AM, Michael Quick <[email protected] > > wrote: > >> Thanks for the feedback, that explained it quite succinctly........ >> >> sudo fstrim -v /boot >> /boot xxxxxxxxxxx bytes were trimmed, all is right with the world :-). >> >> sudo fstrim -v / >> fstrim /: FITRIM ioctl failed: Operation not supported . WTH, Are you >> stupid? >> >> >> >> >> >> >> On Wed, Feb 13, 2013 at 4:50 PM, Chris Knadle >> <[email protected]>wrote: >> >>> On Wednesday, February 13, 2013 16:22:47, Michael Quick wrote: >>> > I'm old school running RHEL6 with Kernel 2.6 x86_64... I might as >>> well >>> > have just said I was running my OS off of 5 and a quarters... lol >>> >>> AFAICT there is a conceptual problem with TRIM + LUKS. >>> >>> The idea behind LUKS is having the entire partition encrypted (usually >>> filled >>> with random garbage first), and then putting a filesystem on top of the >>> random >>> garbage. This means that the LUKS partition is "always full". The idea >>> behind TRIM is to tell the SSD which blocks are now unused. These seem >>> to be >>> mutually-exclusive things. >>> >>> According to Wikipedia only certain filesystems support TRIM. Ext4 and >>> XFS >>> do, but Ext3 supposedly only supports offline TRIMming via a system call. >>> >>> Out of curiosity what error are you getting? >>> >>> -- Chris >>> >>> -- >>> Chris Knadle >>> [email protected] >>> _______________________________________________ >>> Mid-Hudson Valley Linux Users Group http://mhvlug.org >>> http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug >>> >>> Upcoming Meetings (6pm - 8pm) Vassar College >>> Feb 6 - Raspberry Pi >>> Mar 6 - 10th Anniversary Meeting - Linux where you least expect it >>> Apr 3 - Typography: Physical Art to Digital Art >>> >> >> >> _______________________________________________ >> Mid-Hudson Valley Linux Users Group http://mhvlug.org >> http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug >> >> Upcoming Meetings (6pm - 8pm) Vassar College >> Feb 6 - Raspberry Pi >> Mar 6 - 10th Anniversary Meeting - Linux where you least expect it >> Apr 3 - Typography: Physical Art to Digital Art >> >> >
_______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) Vassar College Feb 6 - Raspberry Pi Mar 6 - 10th Anniversary Meeting - Linux where you least expect it Apr 3 - Typography: Physical Art to Digital Art
