SUSE-RU-2015:0442-1: Recommended update for duperemove

sle-updates at sle-updates at
Fri Mar 6 06:04:58 MST 2015

   SUSE Recommended Update: Recommended update for duperemove

Announcement ID:    SUSE-RU-2015:0442-1
Rating:             low
References:         #915354 
Affected Products:
                    SUSE Linux Enterprise Server 12
                    SUSE Linux Enterprise Desktop 12

   An update that has one recommended fix can now be installed.


   This update for duperemove brings many enhancements:

   Performance is greatly improved:

   - Checksum calculations are done in parallel
   - Extent search algorithm is better optimized.

   Many bugs have been fixed:

   - Fix leak of directory file descriptor during file scan
   - Fix EMFILES (too many file descriptors) error during dedupe
   - Fix corner case with dedupe leaving a file open and not-queued for dedupe
   - Fix hardlink detection on btrfs.

   Usability improvements implemented:

   - Prints file number status during csum phase
   - Prints a status bar during extent seearch
   - The 'show-shared-extents' program was added to help users examine file
     state before or after dedupe
   - Hashes can now be read/written from a file
   - Support '-x' (one file system) option.

Patch Instructions:

   To install this SUSE Recommended Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server 12:

      zypper in -t patch SUSE-SLE-SERVER-12-2015-107=1

   - SUSE Linux Enterprise Desktop 12:

      zypper in -t patch SUSE-SLE-DESKTOP-12-2015-107=1

   To bring your system up-to-date, use "zypper patch".

Package List:

   - SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):


   - SUSE Linux Enterprise Desktop 12 (x86_64):



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