X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/e709baee7bcd673feb14431f87965bfe13ac1f51..f6a3270823e1c6f1ab5f0a014b4106947051210a:/NEWS diff --git a/NEWS b/NEWS index 21b3fc0..f185205 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,257 @@ +Version 2.0.3 + - Added “--ignore-size” to the “gnt-instance activate-disks” command + to allow using the pre-2.0.2 behaviour in activation, if any + existing instances have mismatched disk sizes in the configuration + - Added “gnt-cluster repair-disk-sizes” command to check and update + any configuration mismatches for disk sizes + - Added “gnt-master cluste-failover --no-voting” to allow master + failover to work on two-node clusters + - Fixed the ‘--net’ option of “gnt-backup import”, which was unusable + - Fixed detection of OS script errors in “gnt-backup export” + - Fixed exit code of “gnt-backup export” + +Version 2.0.2 + - Added experimental support for stripped logical volumes; this should + enhance performance but comes with a higher complexity in the block + device handling; stripping is only enabled when passing + --with-lvm-stripecount=N to configure, but codepaths are affected + even in the non-stripped mode + - Improved resiliency against transient failures at the end of DRBD + resyncs, and in general of DRBD resync checks + - Fixed a couple of issues with exports and snapshot errors + - Fixed a couple of issues in instance listing + - Added display of the disk size in “gnt-instance info” + - Fixed checking for valid OSes in instance creation + - Fixed handling of the ‘vcpus’ parameter in instance listing and in + general of invalid parameters + - Fixed http server library, and thus RAPI, to handle invalid + username/password combinations correctly; this means that now they + report unauthorized for queries too, not only for modifications, + allowing earlier detect of configuration problems + - Added a new ‘role’ node list field, equivalent to the master/master + candidate/drained/offline flags combinations + - Fixed cluster modify and changes of candidate pool size + - Fixed cluster verify error messages for wrong files on regular nodes + - Fixed a couple of issues with node demotion from master candidate + role + - Fixed node readd issues + - Added non-interactive mode for “ganeti-masterd --no-voting” startup + - Added a new ‘--no-voting’ option for masterfailover to fix failover + on two-nodes clusters when the former master node is unreachable + - Added instance reinstall over RAPI + +Version 2.0.1 + - added -H/-B startup parameters to gnt-instance, which will allow + re-adding the start in single-user option (regression from 1.2) + - the watcher writes the instance status to a file, to allow + monitoring to report the instance status (from the master) based on + cached results of the watcher's queries; while this can get stale if + the watcher is being locked due to other work on the cluster, this + is still an improvement + - the watcher now also restarts the node daemon and the rapi daemon if + they died + - fixed the watcher to handle full and drained queue cases + - hooks export more instance data in the environment, which helps if + hook scripts need to take action based on the instance's properties + (no longer need to query back into ganeti) + - instance failovers when the instance is stopped do not check for + free RAM, so that failing over a stopped instance is possible in low + memory situations + - rapi uses queries for tags instead of jobs (for less job traffic), + and for cluster tags it won't talk to masterd at all but read them + from ssconf + - a couple of error handling fixes in RAPI + - drbd handling: improved the error handling of inconsistent disks + after resync to reduce the frequency of "there are some degraded + disks for this instance" message + - fixed a bug in live migration when DRBD doesn't want to reconnect + (the error handling path called a wrong function name) + +Version 2.0.0 final + - no changes from rc5 + +Version 2.0 release candidate 5 + - fix a couple of bugs (validation, argument checks) + - fix gnt-cluster getmaster on non-master nodes (regression) + - some small improvements to RAPI and IAllocator + - make watcher automatically start the master daemon if down + +Version 2.0 release candidate 4 + - change the OS list to not require locks; this helps with big + clusters + - fix gnt-cluster verify and gnt-cluster verify-disks when the volume + group is broken + - “gnt-instance info”, without any arguments, doesn't run for all + instances anymore; either pass ‘--all’ or pass the desired + instances; this helps against mistakes on big clusters where listing + the information for all instances takes a long time + - miscellaneous doc and man pages fixes + +Version 2.0 release candidate 3 + - Change the internal locking model of some gnt-node commands, in + order to reduce contention (and blocking of master daemon) when + batching many creation/reinstall jobs + - Fixes to Xen soft reboot + - No longer build documentation at 'make' time, instead distribute it + in the archive, in order to reduce the need for the whole + docbook/rst toolchains + +Version 2.0 release candidate 2 + - Now the cfgupgrade scripts works and can upgrade 1.2.7 clusters to + 2.0 + - Fix watcher startup sequence, improves the behaviour of busy + clusters + - Some other fixes in cluster verify, replace-disks, gnt-instance add, + gnt-cluster queue, KVM VNC bind address and other places + - Some documentation fixes and updates + +Version 2.0 release candidate 1 + - More documentation updates, now all docs should be more-or-less + up-to-date + - A couple of small fixes (mixed hypervisor clusters, offline nodes, + etc.) + - Added a customizable HV_KERNEL_ARGS hypervisor parameter (for Xen + PVM and KVM) + - Fix an issue related to $libdir/run/ganeti and cluster creation + +Version 2.0 beta 2 + - Xen PVM and KVM have switched the default value for the instance + root disk to the first partition on the first drive, instead of the + whole drive; this means that the OS installation scripts must be + changed accordingly + - Man pages have been updated + - RAPI has been switched by default to HTTPS, and the exported + functions should all work correctly + - RAPI v1 has been removed + - Many improvements to the KVM hypervisor + - Block device errors are now better reported + - Many other bugfixes and small improvements + +Version 2.0 beta 1 + - Version 2 is a general rewrite of the code and therefore the + differences are too many to list, see the design document for 2.0 in + the doc/ subdirectory for more details + - In this beta version there is not yet a migration path from 1.2 + (there will be one in the final 2.0 release) + - A few significant changes are: + - all commands are executed by a daemon (ganeti-masterd) and the + various gnt-* commands are just front-ends to it + - all the commands are entered into, and executed from a job queue, + see gnt-job(8) + - the RAPI daemon supports read-write operations, secured by basic + HTTP authentication on top of HTTPS + - DRBD version 0.7 support has been removed, DRBD 8 is the only + supported version (when migrating from Ganeti 1.2 to 2.0, you need + to migrate to DRBD 8 first while still running Ganeti 1.2) + - DRBD devices are using statically allocated minor numbers, which + will be assigned to existing instances during the migration + process + - there is support for both Xen PVM and Xen HVM instances running on + the same cluster + - KVM virtualization is supported too + - file-based storage has been implemented, which means that it is + possible to run the cluster without LVM and DRBD storage, for + example using a shared filesystem exported from shared storage + (and still have live migration) + +Version 1.2.7 + - Change the default reboot type in gnt-instance reboot to "hard" + - Reuse the old instance mac address by default on instance import, + if the instance name is the same. + - Handle situations in which the node info rpc returns incomplete results + (issue 46) + - Add checks for tcp/udp ports collisions in gnt-cluster verify + - Improved version of batcher: + - state file support + - instance mac address support + - support for HVM clusters/instances + - Add an option to show the number of cpu sockets and nodes in gnt-node list + - Support OSes that handle more than one version of the OS api + (but do not change the current API in any other way) + - Fix gnt-node migrate + - gnt-debug man page + - Fixes various more typos&small issues + - Increase disk resync maximum speed to 60MB/s (from 30MB/s) + +Version 1.2.6 + - new --hvm-nic-type and --hvm-disk-type flags to control the type of disk + exported to fully virtualized instances. + - provide access to the serial console of HVM instances + - instance auto_balance flag, set by default. If turned off it will avoid + warnings on cluster verify if there is not enough memory to fail over an + instance. in the future it will prevent automatically failing it over when + we will support that. + - batcher tool for instance creation, see /tools/README.batcher + - gnt-instance reinstall --select-os to interactively select a new operating + system when reinstalling an instance. + - when changing the memory amount on instance modify a check has been added + that the instance will be able to start. also warnings are emitted if the + instance will not be able to fail over, if auto_balance is true. + - documentation fixes + - sync fields between instance list/modify/add/import + - fix a race condition in drbd when the sync speed was set after giving the + device a remote peer. + +Version 1.2.5 + - note: the allowed size and number of tags per object were reduced + - fix a bug in “gnt-cluster verify” with inconsistent volume groups + - fixed twisted 8.x compatibility + - fixed gnt-instance replace-disks with iallocator + - add TCP keepalives on twisted connections to detect restarted nodes + - disk increase support, see “gnt-instance grow-disk” + - implement bulk node/instance query for RAPI + - add tags in node/instance listing (optional) + - experimental migration (and live migration) support, read the man + page for “gnt-instance migrate” + - the ganeti-watcher logs are now timestamped, and the watcher also + has some small improvements in handling its state file + +Version 1.2.4 + - Experimental readonly, REST-based remote API implementation; automatically + started on master node, TCP port 5080, if enabled by --enable-rapi + parameter to configure script. + - Instance allocator support. Add and import instance accept a --iallocator + parameter, and call that instance allocator to decide which node to use for + the instance. The iallocator document describes what's expected from an + allocator script. + - gnt-cluster verify N+1 memory redundancy checks: Unless passed the + --no-nplus1-mem option gnt-cluster verify now checks that if a node is lost + there is still enough memory to fail over the instances that reside on it. + - gnt-cluster verify hooks: it is now possible to add post-hooks to + gnt-cluster verify, to check for site-specific compliance. All the hooks + will run, and their output, if any, will be displayed. Any failing hook + will make the verification return an error value. + - gnt-cluster verify now checks that its peers are reachable on the primary + and secondary interfaces + - gnt-node add now supports the --readd option, to readd a node that is still + declared as part of the cluster and has failed. + - gnt-* list commands now accept a new -o +field way of specifying output + fields, that just adds the chosen fields to the default ones. + - gnt-backup now has a new "remove" command to delete an existing export from + the filesystem. + - New per-instance parameters hvm_acpi, hvm_pae and hvm_cdrom_image_path have + been added. Using them you can enable/disable acpi and pae support, and + specify a path for a cd image to be exported to the instance. These + parameters as the name suggest only work on HVM clusters. + - When upgrading an HVM cluster to Ganeti 1.2.4, the values for ACPI and PAE + support will be set to the previously hardcoded values, but the (previously + hardcoded) path to the CDROM ISO image will be unset and if required, needs + to be set manually with gnt-instance modify after the upgrade.. + - The address to which an instance's VNC console is bound is now selectable + per-instance, rather than being cluster wide. Of course this only applies + to instances controlled via VNC, so currently just applies to HVM clusters. + +Version 1.2.3 + - more tweaks to the disk activation code (especially helpful for DRBD) + - change the default ‘gnt-instance list’ output format, now there is + one combined status field (see the manpage for the exact values this + field will have) + - some more fixes for the mac export to hooks change + - make Ganeti not break with DRBD 8.2.x (which changed the version + format in /proc/drbd) (issue 24) + - add an upgrade tool from ‘remote_raid1’ disk template to ‘drbd’ disk + template, allowing migration from DRBD0.7+MD to DRBD8 + Version 1.2.2 - fix ‘gnt-instance modify’ breakage introduced in 1.2.1 with the HVM support (issue 23)