moosefs/moosefs v3.0.110

MooseFS 3.0.110

on GitHub

Dear MooseFS Users,

MooseFS 3.0.110 is now stable! This release is a bugfix release mainly. It addresses issues related to handling duplicated chunks, placing chunks in subfolders on Chunkservers, internal rebalance, fixes FreeBSD-related issues and adds a few other minor fixes.

This release also introduces several new config options, new logo and favicon in MFS CGI interface and possibility to dump non-printable characters in metadata dumper.

We would like to thank all the contributors who helped us making this release, especially (alphabetically): @borkd, @jSML4ThWwBID69YC, @onlyjob and @smurfix. Thank you for all your valuable input, help and making MooseFS better!

(If I forgot to mention somebody, I am very sorry and please let me know!)

Please find a complete list of fixes and new features that this release includes below:

• (cs) fixed bug that may lead to creating much more chunks in one subfolder (issues #319, #326)
• (cs) added option for controlling subdirectory selection algorithm for newly created chunks (issues #319, #326)
• (cs) prevent potential dumping deleted chunks to .chunkdb
• (client) added options for setting behaviour when master returns unavailable chunks or no space status (issue #322)
• (cgi) fixed logo and icon (file type for favicon.ico, change to current logotype – issue #328)
• (master) turning off sending NOPs to unregistered clients (matoml module)
• (cs) fixed reporting wrong number of hours in duplicates removal message
• (cs) redesigned duplicates removal procedure to do it in groups of 100 files (issue #327)
• (cs) introduce mypread and mypwrite macro (code cleaning)
• (cs) added check for changed CRC before every chunk file close (just in case)
• (cs) never use open chunk as a chunk duplicate that needs to be deleted
• (cs) never use disk with pending duplicates as destination disk during internal rebalance (issue #327)
• (cs) fixed condition in internal rebalance procedure (issue #327)
• (cs) added option for setting duplicates retention time in hours (issue #333)
• (cs) fixed memory leak in removing disk with duplicates
• (cs) removed unnecessary attribute reading when chunk duplicates are detected (issue #327)
• (cs) changed allocation of duplicated chunks from malloc to mmap, decreased memory usage by duplicates
• (client) reading in O_WRONLY no longer causes EACCES (might be related to issue #334)
• (metadump) printing dots for non-printable characters made optional (issue #332)

Best regards,
Piotr / MooseFS Team