Bucket Operation
Create bucket
Command description: Enter createBucket to create a bucket according to the BucketName. Each bucket can be set with a different redundancy policy. The redundancy policy is multi-replica or erasure code. The redundancy level can be determined by adjusting the number of the data block and parity block. 3 data blocks and erasure code of 2 parity blocks are used by default, the loss of two blocks is tolerable.
mefs provides dedicated encrypted storage space (LFS) for each user, each storage space contains multiple buckets, buckets are containers that users use to store objects, and each bucket contains multiple objects. We can think of objects as files. The redundancy policy of a bucket can be specified at creation time (all objects stored in the bucket use this redundancy policy).
When creating a bucket policy, the value of dc+pc should be less than the number of providers in the group where the current user belongs. Users can modify the number of dc and pc according to their own needs.
Check bucket list
Command description: Enter listBuckets to display all buckets created by this user, including the name of each bucket, creation time, redundancy policy and redundancy parameters (DataCount, ParityCount).
Check bucket information
Command description: If BucketName exists, entering headBucket displays its creation time, redundancy policy and redundancy parameters. If BucketName does not exist, it displays that bucket does not exist.
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