Kudzu: Fast and Simple High-Throughput BFT

We present Kudzu, a high-throughput atomic broadcast protocol with an integrated fast path. Our contribution is based on the combination of two lines of work. Firstly, our protocol achieves finality in just two rounds of communication if all but $p$ out of $n = 3f + 2p + 1$ participating replicas...

Virtuozzo Hybrid Infrastructure 5.4 Update 4 Hotfix 8 (5.4.4-157)

This update provides stability and performance improvements. Vulnerability id: VSTOR-76224 A stability fix for the Backup Gateway service. Vulnerability id: VSTOR-81226 Improved the size calculation of erasure coding files. Vulnerability id: VSTOR-88511 Decreased the memory consumption by...

Virtuozzo Hybrid Infrastructure 6.1 (6.1.0-238)

In this release, Virtuozzo Hybrid Infrastructure introduces a new service---Backup and Restore as a Service---as well as provides a range of new features that cover improvements in the compute services and object storage. Additionally, this release delivers stability and security improvements, an...

Virtuozzo Hybrid Infrastructure 6.0 Hotfix 1 (6.0.0-247)

This update provides important stability fixes. Vulnerability id: VSTOR-59380 Prometheus does not show network traffic for the storage interface if RDMA is enabled. Vulnerability id: VSTOR-76816 A stability fix for the hypervisor. Vulnerability id: VSTOR-78893 Reading erasure coding files over RD...

Virtuozzo Hybrid Infrastructure 5.2 Update 1 (5.2.1-57)

This update provides full support for Authorization Code Flow, as well as bug fixes and improvements. Vulnerability id: VSTOR-57337 It is impossible to set the disk role to "Unassigned" while joining a node to the cluster. Vulnerability id: VSTOR-57187 Unable to add an iSCSI target with multiple...

Virtuozzo Hybrid Infrastructure 4.6 Update 1

This update provides new features, as well as bug fixes and improvements. Vulnerability id: VSTOR-45315 The MDS service may be unstable under a high load condition. Vulnerability id: VSTOR-43126 A deadlock is possible between atomic and non-atomic commands in the iSCSI kernel module. Vulnerabilit...

Product update: Virtuozzo 7.0 Update 13 Hotfix 3 (7.0.13-306)

The Hotfix 3 for Virtuozzo 7.0 Update 13 provides a stability and usability bug fix. Vulnerability id: VSTOR-32856, VSTOR-32857 Unreadable files may be created when using erasure coding during the upgrade from Update 12 to 13. Fix such files with the command 'vstorage -c -A set-attr -p...

Product release: Virtuozzo Infrastructure Platform 3.5 Update 2 Hotfix 2 (3.5.2-39)

This update provides a stability fix for the metadata service. Vulnerability id: VSTOR-32856 Unreadable files may be created when using erasure coding during the upgrade from version 3.0 to 3.5...

Product update: Virtuozzo Infrastructure Platform 2.5 Update 3 (2.5.0-1605)

This update provides stability and usability fixes. Vulnerability id: VSTOR-19098 With erasure coding, write operations are blocked after two or more nodes fail, even if the cluster has enough disks available. Vulnerability id: VSTOR-19326 Unable to list buckets via CLI after bucket removal via...

Meet Linux's New Fastest File-System – Bcachefs

First announced over five years ago, ex-Google engineer Kent Overstreet is pleasured in announcing the general availability of a new open-source file-system for Linux, called the Bcache File System or Bcachefs. Bcachefs is a Linux kernel block layer cache that aims at offering a speedier and more...