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77 lines
2.8 KiB
Markdown
77 lines
2.8 KiB
Markdown
<!-- Page title -->
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[[!meta title="Version 2.03.24 - Feature and Bug Fix Release"]]
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Version 2.03.24
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===============
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* **Changes in udev rules, new version of systemd is recommended (256).**
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* **When using LVs as PVs these are no longer auto activated!**
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* Allow creating VDO device for thin data when creating thin pool.
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* More devices can be used as external origin for thin snapshot.
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* And [[!toggle text="more"]]
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[[!toggleable text="""
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Features
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-----------------------
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* Swap properties like hostname, date and time when swapping LVs.
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* Allow thin snapshot taken of thin volume from another pool as external origin.
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* Allow chaining of external origins.
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### Changes to device handling
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* **IMPORTANT:** When `devices/scan_lvs` is enabled found LVs are no longer auto
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activated, must enable `LVM_PVSCAN_ON_LVS` in udev rules (*69-dm-lvm.rules*.)
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* NOTE: It is not recommended to use LVs for PVs. If you have an use case for
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this talk to us, please.
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* Changes to devices file are now backed up in */etc/lvm/devices/backup/*.
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Controlled by `devices/devicesfile_backup_limit` configuration option.
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* When `devices/use_devicesfile` is set to `0` existing file is renamed to
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*system.devices-unused.YYYYMMDD.HHMMSS* to prevent outdated file to be used
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on reenabling.
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### Use VDO device for thin pool's data
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New option `--pooldatavdo` during lvcreate or lvconvert allows using VDO as backing device.
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More options (`--compression {y|n}`, `--deduplication {y|n}`,
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`--vdosettings STRING`) to control the options are supported by these commands.
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Example of converting a *lvol1* to a thin pool with enabled compression and deduplication:
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lvconvert --type thin-pool --pooldatavdo y vg/lvol1
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Changes in command line
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-----------------------
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* Add *--wipesignature* option controlling signature wiping when converting volume to thin-pool.
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* Allow *lvcreate --snapshot* without *{-T|--thin}* option when creating snapshot of a thin volume.
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* Allow *--raidintegrity{,mode,blocksize}* options with implicit RAID1 (i.e. when *-m1* is used on command line)
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./configure options
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-------------------
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These changes are for packagers:
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* Add `--with-default-event-activation` option controlling default for
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`global/event_activation`. Default value is unchanged. Useful when creating
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builds for testing.
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* Add `--with-modulesdir` option.
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Changes in udev rules
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---------------------
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**IMPORTANT:** Rework of udev rules in cooperation with systemd is included in this release.
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* `DM_SUSPENDED` and `DM_NOSCAN` are now entirely internal for DM and cannot be used outside of DM rules.
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* Upper level rules should consume `DM_UDEV_DISABLE_OTHER_RULES_FLAG` rather than `DM_NOSCAN` and `DM_SUSPENDED`.
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Also few more minor improvements:
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* Better handling of `DISK_RO` events and suspended devices
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"""]]
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[[!tag]]
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[[!meta date="Thu May 16 12:12:06 2024 +0200"]]
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