Backblaze B2
An S3-compatible object storage service from Backblaze, known for its low per-gigabyte storage price and pay-as-you-go billing model. It supports mainstream open-source backup tools such as rclone and restic, and is widely used in homelab and personal off-site backup scenarios.
Timeline (last 90 days)
At 2026-10-11 06:40, a critical-level alert was triggered for the remote backup task (restic to B2, executed daily at 05:30), with a status of "failed", exiting at line 92.
Backblaze B2 is a low-cost object storage service provided by Backblaze, priced significantly lower than mainstream cloud providers, and is often used as a backend for restic.
restic can be used together with Backblaze B2 object storage to implement a 3-2-1 backup strategy of three copies, two media types, and one offsite copy.
Backblaze B2 storage pricing is approximately one-fifth that of Amazon S3.
Aktar supports S3-compatible storage including Amazon S3, Cloudflare R2, Backblaze B2, and MinIO.
Rclone can sync or mount file systems between local storage and dozens of cloud storage services (including pCloud, S3, Backblaze B2, and others).
Low-cost object storage services such as Backblaze B2 and Wasabi are frequently recommended by the self-hosting community as off-site backup solutions.
AWS S3 Object Lock and Backblaze B2's Object Lock are cloud service implementations of immutable storage.
For 1 TB of data, the monthly cost of Backblaze B2 is roughly in the single-digit USD range, with additional traffic fees incurred only upon recovery (download).
The recommended combination for backing up important data under 1 TB for Unraid users is: object storage backend (B2 or Wasabi) + restic or Kopia with client-side encryption and incremental backup enabled + scheduled automatic backups retaining multiple historical versions with periodic recovery testing.
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All Facts (13)
Backblaze B2 is a low-cost object storage service provided by Backblaze, priced significantly lower than mainstream cloud providers, and is often used as a backend for restic.
50%Unverifiedrestic can be used together with Backblaze B2 object storage to implement a 3-2-1 backup strategy of three copies, two media types, and one offsite copy.
50%UnverifiedBackblaze B2 storage pricing is approximately one-fifth that of Amazon S3.
50%UnverifiedAktar supports S3-compatible storage including Amazon S3, Cloudflare R2, Backblaze B2, and MinIO.
50%UnverifiedRclone can sync or mount file systems between local storage and dozens of cloud storage services (including pCloud, S3, Backblaze B2, and others).
50%UnverifiedLow-cost object storage services such as Backblaze B2 and Wasabi are frequently recommended by the self-hosting community as off-site backup solutions.
50%UnverifiedAWS S3 Object Lock and Backblaze B2's Object Lock are cloud service implementations of immutable storage.
50%UnverifiedThe recommended combination for backing up important data under 1 TB for Unraid users is: object storage backend (B2 or Wasabi) + restic or Kopia with client-side encryption and incremental backup enabled + scheduled automatic backups retaining multiple historical versions with periodic recovery testing.
50%UnverifiedB2 is suited for scenarios where backed-up data is rarely retrieved, while Wasabi is suited for scenarios with frequent recovery testing; the choice should be based on recovery frequency to estimate total cost of ownership.
50%UnverifiedBackblaze B2 charges based on actual usage, with storage costs significantly lower than AWS S3 standard storage, and can be integrated with open-source backup tools such as rclone, restic, and Duplicati.
50%UnverifiedAmazon S3 is the most representative example of object storage, while MinIO, Cloudflare R2, and Backblaze B2 are S3-protocol-compatible implementations
50%UnverifiedA hybrid home data center strategy keeps core data self-hosted on a local NAS while synchronizing critical data to offsite backups on object storage services such as Backblaze B2 or Wasabi.
50%UnverifiedAt 2026-10-11 06:40, a critical-level alert was triggered for the remote backup task (restic to B2, executed daily at 05:30), with a status of "failed", exiting at line 92.
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