Thanks for testing the patch Peter. Will appreciate if you can vote based on your results on http://review.gluster.org/6319/. That will help get it merged sooner and into a release. Thanks again, Avati On Thu, Nov 21, 2013 at 8:17 AM, Peter Drake <peter.drake at acquia.com> wrote: > Great, after initial testing that patch appears to have addressed the > problem. I will put it through our full system tests, but at least my > example script can no longer reproduce the problem. Thank you. > > > On Wed, Nov 20, 2013 at 10:25 PM, Anand Avati <avati at gluster.org> wrote: > >> Peter, >> Thanks, this was helpful. Can you please try out the following patch: >> >> http://review.gluster.org/6319 >> >> >> Thanks, >> Avati >> >> >> On Wed, Nov 20, 2013 at 6:35 PM, Peter Drake <peter.drake at acquia.com>wrote: >> >>> I've included straces from both successful and unsuccessful exections, >>> as well as the PHP error information below. Let me know if there is >>> anything else I can provide which would be helpful. >>> >>> PHP Error (as provided by error_get_last()): >>> >>> Array >>> ( >>> [type] => 2 >>> [message] => symlink(): No such file or directory >>> [file] => /tmp/symlink-test.php >>> [line] => 78 >>> ) >>> >>> Straces on both clients for symlink creation which was unsuccessful on >>> one client: >>> >>> Strace on unsuccessful client web-1: >>> lstat("/mnt/gfs/test1385000751", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> lstat("/tmp/test1385000751", 0x7fff2b5eb2e0) = -1 ENOENT (No such file >>> or directory) >>> lstat("/mnt/gfs/test1385000751", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> readlink("/mnt/gfs/test1385000751", 0x7fff2b5eb3f0, 4096) = -1 EINVAL >>> (Invalid argument) >>> lstat("/tmp/test1385000751", 0x7fff2b5ef2d0) = -1 ENOENT (No such file >>> or directory) >>> write(1, "Failed to create local link: /tm"..., 50) = 50 >>> >>> Strace on successful client web-2: >>> lstat("/mnt/gfs/test1385000751", 0x7fff3171b720) = -1 ENOENT (No such >>> file or directory) >>> lstat("/mnt/gfs/test1385000751", 0x7fff31717730) = -1 ENOENT (No such >>> file or directory) >>> symlink("/mnt/gfs/test-target", "/mnt/gfs/test1385000751") = 0 >>> lstat("/mnt/gfs/test1385000751", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> lstat("/tmp/test1385000751", 0x7fff31717730) = -1 ENOENT (No such file >>> or directory) >>> lstat("/mnt/gfs/test1385000751", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> readlink("/mnt/gfs/test1385000751", "/mnt/gfs/test-target"..., 4096) = 20 >>> symlink("/mnt/gfs/test1385000751", "/tmp/test1385000751") = 0 >>> lstat("/tmp/test1385000751", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 >>> >>> >>> Straces on both clients for symlink creation which was successful on >>> both clients: >>> >>> Strace on successful client web-1: >>> lstat("/mnt/gfs/test1385000727", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> lstat("/tmp/test1385000727", 0x7fff31717730) = -1 ENOENT (No such file >>> or directory) >>> lstat("/mnt/gfs/test1385000727", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> readlink("/mnt/gfs/test1385000727", "/mnt/gfs/test-target"..., 4096) = 20 >>> symlink("/mnt/gfs/test1385000727", "/tmp/test1385000727") = 0 >>> lstat("/tmp/test1385000727", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 >>> >>> Strace on successful client web-2: >>> lstat("/mnt/gfs/test1385000727", 0x7fff2b5ef2d0) = -1 ENOENT (No such >>> file or directory) >>> lstat("/mnt/gfs/test1385000727", 0x7fff2b5eb2e0) = -1 ENOENT (No such >>> file or directory) >>> symlink("/mnt/gfs/test-target", "/mnt/gfs/test1385000727") = 0 >>> lstat("/mnt/gfs/test1385000727", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> lstat("/tmp/test1385000727", 0x7fff2b5eb2e0) = -1 ENOENT (No such file >>> or directory) >>> lstat("/mnt/gfs/test1385000727", {st_mode=S_IFLNK|0777, st_size=20, >>> ...}) = 0 >>> readlink("/mnt/gfs/test1385000727", "/mnt/gfs/test-target"..., 4096) = 20 >>> symlink("/mnt/gfs/test1385000727", "/tmp/test1385000727") = 0 >>> lstat("/tmp/test1385000727", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 >>> >>> >>> >>> On Wed, Nov 13, 2013 at 3:24 PM, Anand Avati <avati at gluster.org> wrote: >>> >>>> >>>> >>>> >>>> On Wed, Nov 13, 2013 at 12:14 PM, Peter Drake <peter.drake at acquia.com>wrote: >>>> >>>>> Thanks for taking the time to look at this and reply. To clarify, the >>>>> script that was running and created the log entries is an internal tool >>>>> which does lots of other, unrelated things, but the part that caused the >>>>> error takes actions very similar to the gist. I tried to pull out the >>>>> related log entries to the best of my ability. The script in the gist did >>>>> not create those log entries, but it does reliably reproduce the same error >>>>> / failure (failure when attempting to create a symlink from the local >>>>> filesystem to a symlink on the gluster filesystem). I would not be >>>>> surprised if the PHP version of symlink has behavior that is different than >>>>> the symlink syscall. >>>>> >>>>> >>>> So what is the failure (errno) when creating a symlink from local fs to >>>> glusterfs? Can you get an strace of the script when the error happens? >>>> >>>> Avati >>>> >>> >>> >>> >>> -- >>> *Peter Drake *|* Cloud Software Engineer* | Acquia <http://acquia.com/> >>> >>> O: 781.238.4236 >>> >>> *E:* peter.drake at acquia.com | Skype: pdrakeweb >>> >>> W: http://www.acquia.com <http://www.acquia.com/> >>> >>> Address: 25 Corporate Drive 4th Floor, Burlington, MA 01803 >>> >>> Acquia ranked #1 Software Vendor on the 2012 Inc 500<http://www.acquia.com/about-us/newsroom/press-releases/inc-magazine-unveils-31st-annual-list-america-s-fastest-growing> >>> >>> Acquia named One of America?s Most Promising Companies by Forbes<http://www.acquia.com/about-us/newsroom/press-releases/acquia-named-forbes-100-list-america-s-most-promising-companies-nov> >>> >>> Drupal Sites: http://drupalshowcase.com >>> Twitter http://www.twitter.com/Acquia >>> >> >> > > > -- > *Peter Drake *|* Cloud Software Engineer* | Acquia <http://acquia.com/> > > O: 781.238.4236 > > *E:* peter.drake at acquia.com | Skype: pdrakeweb > > W: http://www.acquia.com <http://www.acquia.com/> > > Address: 25 Corporate Drive 4th Floor, Burlington, MA 01803 > > Acquia ranked #1 Software Vendor on the 2012 Inc 500<http://www.acquia.com/about-us/newsroom/press-releases/inc-magazine-unveils-31st-annual-list-america-s-fastest-growing> > > Acquia named One of America?s Most Promising Companies by Forbes<http://www.acquia.com/about-us/newsroom/press-releases/acquia-named-forbes-100-list-america-s-most-promising-companies-nov> > > Drupal Sites: http://drupalshowcase.com > Twitter http://www.twitter.com/Acquia > -------------- next part -------------- An HTML attachment was scrubbed... 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