Is SnapRAID safe?

Is SnapRAID safe?

All your data is hashed to ensure data integrity and to avoid silent corruption. If the failed disks are too many to allow a recovery, you lose the data only on the failed disks. All the data in the other disks is safe. You can stop using SnapRAID at any time without the need to reformat or move data.

What does SnapRAID scrub do?

To periodically check the data and parity for errors, you can run the “scrub” command. This command verifies the data in your array comparing it with the hash computed in the “sync” command.

Is SnapRAID a backup?

SnapRAID is a backup program for disk arrays. It stores parity information of your data and it recovers from up to six disk failures. SnapRAID is mainly targeted for a home media center, with a lot of big files that rarely change.

What is RAID software?

Software RAID is a type of RAID implementation that utilizes operating system-based capabilities to construct and deliver RAID services. It utilizes host system resources such as the CPU, without a RAID controller or specialized hardware to provide RAID services. Software RAID is also known as software-based RAID.

Is Unraid better than FreeNAS?

Our take is that FreeNAS is the better solution for those seeking traditional RAID with a tried and true volume manager/file system, while UnRAID is better if you’re seeking maximum capacity for non-critical data sets.

Does Unraid protect bit rot?

I recently learned that Unraid doesn’t actually protect against bit-rot. I love the concept behind Unraid of being able to essentially infinitely grow and expand the array in a somewhat arbitrary manner, but the bit-rot situation just punched me in the gut and sent me running towards TrueNAS SCALE.

What is xraid2?

X-raiD2 is an auto-expandable raiD technology that is available only on readyNaS® systems. With X-raiD2, you do not need to know intricate details about raiD to administer your system. X-raiD2 allows you to add storage space without reformatting your drives or moving your data to another location.

What pooling solutions do you use with snapraid?

SnapRAID provides a basic virtual views/storage pooling solution, but it’s also compatible with any other pooling solutions. For encryption, SMART monitoring, Power control and Data Recovery you can use other tools. Here some suggestions:

Can I use snapraid to create snapshots of individual drives?

If I were to use Snapraid to create snapshots of the individual drives (not the pooled drives), wouldn’t this work. Specifically I could exclude the system folder that DrivePool creates. Should one of the drives fail, I would then recover everything from the drive via the parity info.

What is snapraid 1?

SnapRAID 1 is a free and open-source project licensed under GPLv3 which calculates parity information for disk arrays and will protect against up to 6 disk failures at once. It essentially takes JBOD and provides a cohesive glue for them protecting against drive failure and bitrot.

How to recover data from a failed disk in snapraid?

Change the SnapRAID configuration file to make the “data” or “parity” option of the failed disk to point to the place where you have enough empty space to recover the files. For example, if you have that disk “d1” failed, you can change from: data d1 /mnt/disk1/