On 05/27/2011 08:28 AM, John Doe wrote: > From: Steve Clark<sclark at netwolves.com> >> On 05/27/2011 05:29 AM, John Doe wrote: >>> Test = https://sites.google.com/site/lightrush/random-1/checkiftrimonext4isenabledandworking Tested on Fedora (15) and it worked. >> Hmmm.... How do you determine whether TRIM worked or not? Thanks, Unfortunately when I try it on SL 6.0 hdparm gets a segment violation on the --read-sector command. hdparm-9.16-3.4.el6.i686 [root at Z764041 ~]# hdparm --fibmap tempfile tempfile: underlying filesystem: blocksize 4096, begins at LBA 1600008; assuming 512 byte sectors byte_offset begin_LBA end_LBA sectors 0 4495880 4496903 1024 524288 4554248 4557319 3072 2097152 4524552 4536839 12288 8388608 4565512 4651527 86016 [root at Z764041 ~]# hdparm --read-sector 4495880 /dev/sda /dev/sda: Segmentation fault -- Stephen Clark *NetWolves* Sr. Software Engineer III Phone: 813-579-3200 Fax: 813-882-0209 Email: steve.clark at netwolves.com http://www.netwolves.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110527/d21c56eb/attachment-0004.html>