moosefs/moosefs v3.0.107

MooseFS 3.0.107

on GitHub

Dear MooseFS Users,
Long-awaited MooseFS 3.0.107 is now stable!

This release is mainly a bugfix release (and includes a lot of fixes). We strongly recommend to upgrade to this latest version! This release also introduces some new features, including support for libfuse3.

We would like to thank all the contributors who helped us making this release, especially (alphabetically): @eleaner, @hradec, @itongqingbo, @njaard, @onlyjob, @steffenb7333. Thank you for all your help!

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

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

• (master) added NOP command to changelog
• (master+supervisor) added time check
• (cs) fixed behaviour when job queue is full
• (cli+cgi) added time data to master servers
• (cs) fixed NOP packets ping-pong
• (client) fixed NOP flooding in write module
• (cs) fixed race condition in bgjobs module (jobhash)
• (cs+mount) added new status returned to mount when queue is full and support for it in client module
• (mount) added initial support for libfuse3 (related to issue #302)
• (mount) added support for readdirplus (related to issue #302)
• (mount) workaround for bug in fuse (wrong lock_owner in flush – issue #305)
• (mount) fixed deadlock in readdata.c (closes issue #306)
• (mount+master) fixed few small issues related to POSIX compliance (checked by pjd fstest)
• (all) changed preferred C standard from C99 to C11 and added tests for atomics
• (mount) move read/write structures initialization from open to read/write
• (mount,mfsio) added new inode->fleng map
• (configure) added option disable_all, added summary at the end
• (freebsd) detecting new fuse version in the kernel and adjusting behaviour
• (tools) better handling of unrecognized options
• (master) better hard links handling
• (master) added limit for number of hardlinks allowed for one object
• (master) added option for automatic removal of unused chunkservers (issue #247)
• (metadirinfo) fixed segfault when output filename is not specified
• (chunktool) added file name fixing option (issue #276)
• (all) changed chunk replication and deletion charts into two-color charts (successful/unsuccessful – issue #273)
• (all) added new charts with number of chunk creations and internal changes (also successful and unsuccessful)
• (master) added ignoring chunk with id zero sent from chunkserver
• (metadump) added option for dumping parts of metadata
• (master) added more logs to background data write subprocess (related to issue #280)
• (master) fixed LEADER/FOLLOWER desync on SETCHUNK command (pro only)
• (cli+cgi) fixed shebang in python scripts (preference for python3 in configure)
• (master) changed pipe in bgsaver to nonblocking mode
• (master) added check if the background saving process is alive
• (master) added lockfile for background saving process
• (master) added protection against time going back in the free inodes list
• (master) added protection in FOLLOWER against not keeping up with the LEADER (pro only)
• (master) changed condition for removing chunk from data structures (all chunkservers have to be connected)
• (master) added restore run mode (works similar to mfsmaster -a but without running daemon)
• (master) take write replication counters into account in server ordering for new chunk creations
• (master) changed calculating replication limits in chunk rebalance procedure (using actual usage difference)

Best regards,
Piotr / MooseFS Team