A Snapshot every week with 12 months of retention.A Snapshot every day with 2 weeks of retention.A Snapshot every hour with 2 days of retention.A Snapshot every 15 minutes with 8 hours of retention.Here is the snapshot schedule I landed on: However, not if you use encryption! Huge deal breaker there. NOTE: Synology does support this functionality with showing up in Windows. These snapshots show up in "Previous Versions" in Windows, allowing a very easy way to get files back. Snapshots allow me to instantly roll back a file, folder, or the entire filesystem to a point in time I have TrueNAS take ZFS snapshots every 15 minutes. This means if someone steals the NAS, its impossible for them to get to the data Snapshots The NAS is encrypted with a passphrase, meaning that when the NAS boots, I must manually log in and enter the passphrase to unlock the data. To log into the system you need the root password, as well a the 2FA code for added protection The system has redundant PSU's, and is backed up by a double conversion UPS This system has a dual port SFP28 NIC, connected with 2 x 10G SPF+ connections. I could have gone with RAIDZ2 or RAIDZ3 for more protection, but I was looking good performance with this array, and capacity wasn't a concern. This is fine, as I have very good backups and replication. They would have to be from seperate VDEV's though, if I lose both drives in a VDEV, all the data is gone. ![]() This means I could withstand a max of 4 drive failures. My main data array consists of 6 x 4TB hard drives (A mix of SATA and SAS) in three x mirrored VDEV's, and another mirrored VDEV for Metadata consisting of Intel Enterprise SSD's. Because of the check summing taking place, its almost impossible to get a corrupted file from Bitrot. Data Storage and ProtectionĪll of my Data is stored on a new TrueNAS box, which is using ZFS as the filesystem. Bulk media storage is not included in this. This post highlights only how I am protecting my actual important data like documents and photos. Since then, I have completely moved off of my Synology NAS which forced me to make some changes.
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