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... URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20131121/ce792517/attachment.html>
