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 > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20131120/94f47d98/attachment.html>
