- Add patch for libvirt 9.0
- Add support for Proxmox VE 8.0
- Fix compatibility of the QEMU driver with iothread (QEMU rebuilds are coming)
- Fix vitastor-cli rm-data/rm/merge hanging when some OSDs are down.
Allow deletions in unclean cluster at the cost of some data possibly
"reappearing" when those OSDs start back. In that case you can just repeat
the deletion request using rm-data.
- A bunch of bug fixes for snapshots:
- Fix snapshot reads often not working at all with snapshot chain size > 2
- Fix optimized snapshot data merge (children to parent)
- Fix updating of image name index key during optimized merge
- Fix auto-selection preventing the use of optimized merge with only 1 snapshot
- Fix incorrect CAS retries during snapshot merge
- Fix snapshot merge progress reporting
- Fix primary_read bitmap buffers use-after-free which could lead to
incorrect allocation map reads
- Remove /usr/local/bin path from make-etcd
- Some documentation fixes
- Measure and report scrub I/O statistics in vitastor-cli status
- Make aggregated statistics in vitastor-cli status much smoother
(first derive, then sum instead of first summing and then deriving)
- Fix an old rare bug leading to journal corruption
(try to use scrub if you think you're affected...)
- Do not start EC PGs without at least <data chunks> OSDs in each old set
(prevents spurious read errors with EC during reconnections/restarts)
- Fix failed assert(!scrub_list_op) on OSD restart with pending scrubs
- Fix future planned scrubs not starting because of incorrect time comparison
- Build packages for Debian 12 (Bookworm)
- Fix "Client XX command out of sync" messages sometimes happening on OSD reconnections
- Fix a bug where EC reads parallel with writes to the same object failed with -ERANGE error
- Slightly reduce the amount of metadata writes during journal flushing
- Correctly unmap NBD volumes when Proxmox forces map_volume use (with SWTPM and maybe some other cases)
New features:
- Scrubbing! Check documentation: [auto_scrub](src/branch/master/docs/config/osd.en.md#auto_scrub)
- Document online-updatable configuration parameters
Bug fixes:
- Fix NaN during PG optimisation if there are nonexisting OSDs in node_placement
- Fix monitor crash on pool deletion
- Clear journal_device and meta_device before initialising the next OSD in automatic mode
- Sync unsynced deletes before overwriting them with a lower version
(reproducted mostly/only after scrubbing)
- The tests are now stable and run in a CI system based on Gitea CI
- The release includes final bug fixes for EC:
- Implement missing EC recovery of allocation bitmap when built with ISA-L
- Fix broken snapshot export with EC (allocation bitmap reads were giving incorrect results previously)
- Also fixed bugs manifesting under heavy load:
- Fix monitor possibly applying incorrect PG history on retries
- Fix monitor incorrectly changing PG count when last_clean_pgs contains less PGs than the new number
- Allow writes to wait for free space again, but now correctly (previously dropped in 0.8.2)
- Fix a rare segfault in client (handle client stop during incoming stream handling in 1 more place)
- Make monitor correctly handle etcd connection errors - it could die instead of connecting to another etcd
- Fix OSD rarely being unable to report PG states after a PG was taken over by another OSD
- Fixed return code for incomplete EC objects (now EIO) and made cluster client retry this error
- Made other small changes for tests: timeouts, nice/ionice for etcd, waiting conditions, NBD device checks and so on
- Fix vitastor-cli rm/rm-data broken in 0.8.6 (missing messenger initialization)
- Prepare OSD read handler for upcoming version with scrub - allow "secondary reads" to return errors
- Fix OSDs re-peering PGs infinitely with a big number of PGs (reproduced in test_add_osd)
- Fix another variant of flusher sync-waiting stall (reproduced in test_write)
- Fix other tests in tests/ (will add them to Gitea CI soon)
- Add patches for QEMU 6.2-8.0
- Fix QEMU driver compatibility with QEMU 8.0
- Build packages for RHEL 9 clones (based on AlmaLinux 9)
This release includes a bunch of important bugfixes for erasure-coded setups
with disabled immediate_commit. After these fixes, "test_heal" OSD killing test
now passes fine with EC:
- Fix cluster write stalls with "Error while doing flush on OSD xx: -16 (Device or resource busy)"
in OSD logs possible in EC setups with disabled immediate_commit by selectively
syncing nonsynced objects on STABILIZE/ROLLBACK (https://github.com/vitalif/vitastor/issues/51)
- Fix other EC + disabled immediate_commit problems:
- Fix "opcode=5 retval=-2" errors happening on SYNC retries
- Fix non-working "pagination" during PG dirty object flushing
- Fix write operations not continued correctly after dirty object flushing
- Fix incorrect parity read-modify-write calculation when writing into a lost chunk
- Fix OSDs losing left_on_dead PG state of non-clean PGs and thus not removing junk data in the cluster
- Fix a small memory leak caused by bad indexing of EC recovery matrices
- Fix a rare use-after-free in cluster_client caused by a reenterability issue
- Fix vitastor-cli create command syntax in the CSI driver
- Allow to start OSDs without local store for tests
- Fix memory allocation error in disk_tool_meta for non-standard metadata block sizes
- Fix delete operations received before loading pool metadata crashing OSDs with "null pointer exception"
- Improve "theoretical performance" Russian documentation
New features:
- Implement online configuration update for some parameters. Documentation is coming soon :)
Important fixes:
- Fix possibly incorrect EC parity chunk updates with EC n+k, k > 1 and when
the first parity chunk is missing
Minor fixes and improvements:
- Fix incorrect EC free space statistics in vitastor-cli df output
- Speedup vitastor-cli startup in clusters with RDMA
- Remove unused PG "peered" state (previously used to update PG epoch)
- Use sfdisk with just --json in vitastor-disk (--dump --json isn't needed)
- Allow trailing comma in sfdisk output (fixes sfdisk 2.36 compatibility)
- Slightly improve RDMA send/receive code
- Reduce RDMA memory consumption by default (rdma_max_recv/send = 16/8)
- Use vitastor-cli instead of direct etcd interaction in the CSI driver
- Fix a possible "double free" bug in the client library happening on OSD restart
- Fix a possible write hang on PG history update when only epoch is changed
- Fix incorrect systemd target "local.target" in mon/make-etcd
- Allow "content" option in PVE storage plugin to allow to enable containers
- Build client library without tcmalloc which fixes "attempt to free invalid pointer"
errors when, for example, trying to run QEMU with both Vitastor and Ceph RBD disks
New features:
- Implement QCOW2 image/snapshot export via qemu-img (bdrv_co_block_status in the driver)
- Remove OSDs from PG history during `vitastor-cli rm-osd` to prevent `left_on_dead` PG states after deletion
- Add a new recovery_pg_switch setting to mix all PGs during recovery, to almost
fully reduce the probability of ENOSPC during rebalance
- Introduce partial ENOSPC ("OSD is full") handling - now ENOSPC doesn't turn
into cascades of crashes
- Add migration support to Proxmox VE Vitastor driver
- Track last_clean_pgs on a per-pool basis thus reducing data movement in a cluster
with pools remaining unclean/degraded for a long time
Bug fixes:
- Fix a bug where monitor could generate degraded PGs if one of the hosts had no OSDs
- Fix a bug where monitor could skip PG redistribution with a lot of OSDs in cluster
- Report PG history synchronously on the first write, which improves PG consistency
and availability at the same time, because history now gets reported correctly
and doesn't get reported without the need for it
- Fix possible write and recovery stalls which could happen in a cluster with both EC and replicated pools
- Make OSD and monitors sanitize & deduplicate PG history items in etcd
- Fix non-working OSD peer config safety check
- Fix a rare journal flush stall where flushing wasn't activated with full journal, but with empty flush queue
- Fix builds without ISA-L (jerasure-only) crashing with EC N+K, K>=2 due to the lack of 16-byte buffer alignment
- Fix a possible crash for EC N+K, K>=2 when calculating a parity chunk with previous parity chunk missing
- Fix a bug where vitastor-disk purge with suppressed warnings didn't work
- Implement a new "vitastor-disk purge" command to remove OSDs with safety checks
- Implement a new "vitastor-cli rm-osd" command to only remove OSD metadata from etcd
- Fix a bug where the monitor could ignore OSD removal and other /osd/stats key changes
- Fix a bug where garbage could be returned when reading objects being written at the same time
- Fix a rare write stall where journal space could be not reclaimed where there
were no new operations in the flush queue
- Fix a rare peering stall caused by a previous long listing operations queues limiting attempt
- Fix total object count statistic in OSD on object creation
- Add missing offset&len into vitastor-disk dump-journal for big_writes, fix JSON format
- Make vitastor-cli print help on missing command
- Make vitastor-cli translate all '-' to '_' in CLI options
- Fix QEMU driver compatibility with QEMU 7.0 and < 2.9
- Add patches for pve-qemu-kvm 7.1 (PVE 7.3) and pve-qemu-kvm 6.2 (PVE 7.2)
- Fix Proxmox driver location in the pve-storage-vitastor package
- Disable HDD autodetection in non-hybrid mode
- Explicitly warn about a buggy kernels on -EAGAIN in io_uring
- Final fix for the lack of zeroing out of old metadata entries
(do not crash with "big_write journal_entry was allocated over another object"
in some cases after an unclean OSD shutdown)
- Wait for data writes before fsyncing data if data fsync is enabled
- Never try to wait for free space inside blockstore thus stalling OSDs
- Fix a rare crash in osd_peering due to callback ordering
- Fix a rare duplication of ping & op message IDs
- Fix a rare use-after-free during pings
- Add --force to vitastor-disk read-sb
- Make vitastor-disk dump metadata object IDs in hex, add forgotten commas
- Fix vitastor-disk SCSI disk cache check
- Remove an additional data copy operation when flushing journal (should
slightly increase write performance)
- Fix a bug where new writes in the inmemory_journal=false mode could overwrite
the data currently read by a parallel read operation
- Fix degraded parity writes for EC N+K when K>1 where the bug could also lead
to an "assertion failed" error
- Fix missing journal space check for "big" writes which could lead to
"prefill_single_journal_entry(): assertion failed..." error in OSD
- Fix possible "assertion failed: next->prev_wait >= 0" in client in rare cases
- Fix missing "len" field in vitastor-disk write-journal big_writes
- Fix possible crash of a full OSD (ENOSPC)
- Fix CSI build scripts to include newest packages every time
- Fix CSI endpoint in the liveness probe manifest
- Implement automatic OSD activation via udev and simple on-disk superblock storage
- Add a new `vitastor-disk` tool and merge all disk-related functionality there.
Now it can prepare new OSD disks, upgrade plain old systemd units to the new scheme,
resize OSD data area, manage OSD services by disk paths, manage superblocks,
automatically check and disable disk cache, dump and write back journal and metadata.
- Add a documentation section about `vitastor-disk` (read it if you want details!)
- Install systemd services during package installation instead of the older method
of manually creating them via separate shell scripts
- Add a new `make-etcd` script that reuses /etc/vitastor/vitastor.conf to configure etcd
- Allow to configure block_size, bitmap_granularity and immediate_commit per-pool
- Fix "fatal error: tried to overwrite non-zero metadata entry" which was possible
in some cases after unclean OSD shutdown (caused by old metadata entries not being zeroed)
- Add ISA-L erasure code implementation, now used automatically instead of jerasure when available
- Fix listings sending too many parallel requests to OSDs
- Fix rm-data crashing with --wait-list
- Remove empty inodes from statistics and `ls` output, after <inode_vanish_time> seconds after deletion
- Make monitor delete pool statistics when the pool is deleted and thus remove them from `df` output
- Log multiple etcd addresses in OSD logs correctly
- Fix true/false parsing in json configs like no_recovery/no_rebalance
- Show no_recovery, no_rebalance, readonly flags in status
- Add documentation! :-) in Russian and English
- Implement an NFS proxy for file-based access emulation to Vitastor
images for non-QEMU based hypervisors like VMWare, as a better way
than iSCSI
- Implement "primary affinity tags"
- Add a patch for libvirt 6.0
- Fix free_down_raw in cli status
- Fix a rare bug where OSDs could drop unrelated connections on errors
- Fix incorrect reading of extra metadata block leading to extra unknown objects in stats
- Fix CSI driver volumeMode: Block support
- Add block PVC and pod examples
- Fix build under 32 bit architectures
- Fix slow connection ramp-up caused by up_wait_retry_interval
- Implement `vitastor-cli status` (print cluster status) command
- Add a new `make-osd-hybrid.js` script to quickly prepare a lot of hybrid (HDD+SSD) OSDs
- Implement snapshot deletion for Cinder driver (only works in a healthy cluster)
- Fix a huge :) bug causing reads to return all zeroes during rebalance. Add a test to prevent it in the future
- Disconnect NBD proxy correctly without leaving a zombie [vitastor-nbd] process in D state
- Fix a rare write hang appearing with small write throttling enabled
- Fix IPv6 address parsing
- Fix "cannot read bytes of undefined" in the monitor on a fresh DB
- Fix possible hangs of read requests on OSD restarts without immediate_commit=all mode
- Fix OSDs skipping misplaced recovery in some cases
- Fix OSDs possibly dying with "map::at" errors when other OSDs are stopped
- Fix division by zero in ls if all pool OSDs are down
- Fix client hangs possible on OSD restarts (bug affected versions from 0.5.11)
- Fix "Assertion `sqe != NULL' failed" io_uring-related crashes possible
on some kernels (0.6.11 increased probability of this bug)
- Fix timeout=0 in NBD proxy
- Fix build under centos 7
etcd connection stability, clang & elbrus support
- Fix build under CLang and Elbrus LCC compilers, making Vitastor compatible
with Elbrus CPUs :)
- Completely fix the bug where OSDs didn't connect to peers and incorrectly marked
PGs as incomplete
- Limit I/O depth for deletes the same way as for small writes. Makes OSD crashes
with "Assertion failed: sqe != NULL" during image deletion go away
- Fix a very old, but rare, journaling bug (credits to https://github.com/mirrorll)
- Fix flushing of unclean journaled objects leading to OSDs sometimes hanging
after failover in EC setups (bug was introduced in 0.6.7)
- Fix several problems that could prevent smooth operation of a Vitastor cluster
under the condition of partial etcd failure:
- OSDs could randomly fail due to too strict error handling
- New clients and OSDs could be unable to start because of the lack of retries
- CLI could fail some commands because of the lack of retries
- Monitor could stop receiving state updates because of the lack of websocket pings
- Fix monitor being unable to rebalance PGs after a downscale of pool pg_size (3->2)
- Exit with failure when trying to nbd map or benchmark a non-existing image
- Use HTTP keep-alive for etcd connections
- Allow to configure etcd request timeouts and retries
- Allow to configure NBD timeout, max devices and partitions, and set default to
up to 64 devices with up to 3 partitions each
- Slightly reduce journaling write amplification (requires no_same_sector_overwrites=false)
- Fix listen_backlog (it was 0) because it could more than halve OSD socket send speed
- Support IPv6 OSD addresses
- Do not try to initialize client in simple-offsets
- Fix OSDs sometimes marking PGs incomplete instead of trying to connect with peers
- Allow to configure OSD placement in node_placement
- Allow to run with 4k sector size block devices. Natural, but it was forbidden
- Implement a storage plugin for Proxmox. Now you can use Vitastor with Proxmox!
- Implement `vitastor-cli df` (pool space usage statistics) command
- Add glob pattern support for `vitastor-cli ls`
- Fix several bugs in other CLI commands (resize, create --parent, modify --readonly)
- Use 512 byte logical block size in QEMU driver by default (and thus don't require to set it in QEMU options)
New features:
- Build Vitastor driver as part of QEMU
- Implement renaming images in CLI (vitastor-cli modify --rename)
- Add vitastor-cli alloc-osd and simple-offsets commands and use them in make-osd,
thus removing the dependency on etcdctl
- Make monitor remove stale deleted inode statistics from etcd automatically
- Implement OSD address selection from a subnet, thus removing the need to specify
OSD addresses in startup scripts explicitly
Bug fixes:
- Fix client failover in case of etcd shutdown or crash (make client survive etcd failures)
- Stick to the last live etcd in OSD and mon to prevent random failures when one of etcds is down
- Fix incorrect copying of data from journal to the data device which could lead to data corruption
- Prefer local etcd IPs in OSD
- Remove the total PG count restriction in optimize_change which was sometimes leading
to inability to redistribute PGs over OSDs
- Fix error response parsing on a failed pg state report
- Fix slow linear writes with RDMA by changing default buffer settings
- Fix possible 'TypeError' in openstack nova when using Vitastor cinder driver
- Fix bugs in vitastor-cli create, ls, rm, modify commands
Patch changes:
- Add a patch for libvirt 7.6
- Add patches for QEMU 6.0 and 6.1
- Fix config file path XML location parsing in libvirt patches
- Replace _ with - in QEMU options
- Fix possible 'TypeError' in openstack nova when using Vitastor cinder driver
- Fix possible crashes of QEMU block driver in case of incorrect options
- Implement CLI commands for listing, viewing I/O statistics, creating,
snapshotting, cloning, resizing and modifying images. All these operations
are covered by 3 commands: ls, create, modify
- Implement an important fix to prior OSD set tracking for PGs. The previous
version had an issue which could lead to data loss due to an OSD with older
copy of the data thinking it has the newest copy
- Fix I/O statistics aggregation in the monitor
- Several minor fixes for Cinder driver
- Fix QEMU driver to be compatible with QEMU 2.x > 2.0
- Fix stalls sometimes possible in configurations without immediate_commit due
to insufficient amount of automatic internal fsync operations
- Add `vita` alias for `vitastor-cli`