[OpenIndiana-discuss] Cannot delete file on zfs as root

[Roman Czyborra]

Thank you for the interesting report.  Has the issue been fixed in the
meantime that you needed to truncate largefiles to zero length to enable
unlink to fix overquota woes?
 Am 13.11.2014 17:25 schrieb "Andrew Martin" <amartin at xes-inc.com>:

> Hello,
>
> I am running an OpenIndiana fileserver serving shares from a ZFS pool over
> NFS
> and CIFS (smb/server). The majority of users access files from Windows 7
> over
> CIFS. I've run into an issue, particularly with PDFs, where a user who has
> full
> permissions on a file is unable to delete it. I know that this is not an
> ACL
> issue on the parent directory because the same user can delete/modify other
> files in the same directory. I think this is probably due to Adobe Reader
> requesting an exclusive lock on the file when someone opens it, so most
> likely
> the reason why it cannot be removed is that another user somewhere has the
> file
> open (or Windows Explorer has requested an opportunistic lock on the
> file). I
> logged in as root on the OpenIndiana server and attempted to remove the
> file,
> however it tells me Permission Denied. I ran a truss with the following
> output:
>
>
> root at oi0:/# ls -l /export/share/dir/file.pdf
> -rwxrwxrwx+ 1 user1 Domain Users 78067 2014-11-05 14:20
> /export/share/dir/file.pdf
>
> root at oi0:/# /usr/bin/ls -V /export/share/dir/file.pdf
> -rwxrwxrwx+  1 user1 Domain Users   78067 Nov  5 14:20
> /export/share/dir/file.pdf
>               everyone@:rwxpdDaARWcCos:------I:allow
>      group:Domain Users:rwxpd-aARWc--s:-------:allow
>      group:Domain Users:rw-pd-aARWcCos:-------:allow
>                  owner@:rw-pd-aARWcCos:-------:allow
>                  group@:r-----a-R-c--s:-------:allow
> root at oi0:/# /usr/bin/ls -d/ v /export/share/dir/file.pdf
> -rwxrwxrwx+  1 user1 Domain Users   78067 Nov  5 14:20
> /export/share/dir/file.pdf
>
> {archive,nohidden,noreadonly,nosystem,noappendonly,nonodump,noimmutable,av_modified,noav_quarantined,nonounlink,nooffline,nosparse}
>
> root at oi0:/# truss rm -f /export/share/dir/file.pdf
> ...
> lstat64("/export/share/dir/file.pdf", 0x08086330) = 0
> unlink("/export/share/dir/file.pdf") Err#13 EACCES
> open("/usr/gnu/share/locale/en_US.UTF-8/LC_MESSAGES/coreutils.mo",
> O_RDONLY) Err#2 ENOENT
> ...
>
> Here are the ACLs on the parent directory:
> root at oi0:/# /usr/bin/ls -Vd /export/share/dir
> drwxrwx---+  3 user1 Domain Users       6 Nov 13 10:08 /export/share/dir
>                  owner@:rwxpdDaARWcCos:-d-----:allow
>                  owner@:rw-pdDaARWcCos:f-i----:allow
>      group:Domain Users:rwxpdDaARWcCos:-d-----:allow
>      group:Domain Users:rw-pdDaARWcCos:f-i----:allow
>                  group@:r-x---a-R-c--s:-d-----:allow
>                  group@:r-----a-R-c--s:f-i----:allow
>               everyone@:rwxp-DaA--cC-s:-d-----:deny
>
>
> I initially thought perhaps the everyone@ deny ACL was the problem, but I
> removed it from the parent directory and I still could not remove this
> file.
> Moreover, even with the everyone@ ACL in place, I was still able to create
> other files and remove other existing files inside of /export/share/dir.
>
> What is preventing me from removing this file as root? Is there a safe
> utility
> for viewing which users have a file open (equivalent of smbstatus)? What
> can I
> do to prevent this type of situation from occurring?
>
> Thanks,
>
> Andrew Martin
>
> _______________________________________________
> openindiana-discuss mailing list
> openindiana-discuss at openindiana.org
> http://openindiana.org/mailman/listinfo/openindiana-discuss
>