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MinIO is an object storage system released under GNU Affero General Public License v3.0. [3] It is API compatible with the Amazon S3 cloud storage service. It is capable of working with unstructured data such as photos, videos, log files, backups, and container images with the maximum supported object size being 50TB.
Some file systems, such as Btrfs, HAMMER, ReFS, and ZFS, use internal data and metadata checksumming to detect silent data corruption. In addition, if a corruption is detected and the file system uses integrated RAID mechanisms that provide data redundancy, such file systems can also reconstruct corrupted data in a transparent way. [18]
When the recovery coordinator takes over after the coordinator failed during a commit phase of two-phase commit, the new pre-commit comes handy as follows: On querying participants, if it learns that some nodes are in commit phase then it assumes that the previous coordinator before crashing has made the decision to commit. Hence it can ...
File verification is the process of using an algorithm for verifying the integrity of a computer file, usually by checksum.This can be done by comparing two files bit-by-bit, but requires two copies of the same file, and may miss systematic corruptions which might occur to both files.
Amazon experiences an outage of S3 in us-east-1. [288] There are also related outages for other services in us-east-1 including CloudFormation, autoscaling, Elastic MapReduce, Simple Email Service, and Simple Workflow Service. A number of websites and services using S3, such as Medium, Slack, Imgur and Trello, are affected. AWS's own status ...
Shared-disk file systems (also called shared-storage file systems, SAN file system, Clustered file system or even cluster file systems) are primarily used in a storage area network where all nodes directly access the block storage where the file system is located. This makes it possible for nodes to fail without affecting access to the file ...
PEM data is commonly stored in files with a ".pem" suffix, a ".cer" or ".crt" suffix (for certificates), or a ".key" suffix (for public or private keys). [3] The label inside a PEM file represents the type of the data more accurately than the file suffix, since many different types of data can be saved in a ".pem" file.
The term "failover", although probably in use by engineers much earlier, can be found in a 1962 declassified NASA report. [2] The term "switchover" can be found in the 1950s [3] when describing '"Hot" and "Cold" Standby Systems', with the current meaning of immediate switchover to a running system (hot) and delayed switchover to a system that needs starting (cold).