Immutable Snapshots not being created by scheduler on Synology

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This is a quick follow up post on my previous post about Synolgoy LUN Snapshots and immutability which can be found here.

After having it run for a while, I noticed the snapshots created on a schedule didn’t have the immutable flag set, despite it being configured under settings.

I couldn’t figure out why it was not working, so I opened a case with Synology. Support got back to me very quickly and I set up a remote session.

As it turns out, I’m hitting a known issue with DSM. The solution is simple; install snapshot replication services (you don’t need to configure it) and go back into settings for your schedule and uncheck, save, recheck immutable snapshots. Last step is important.

After this, all my scheduled snapshots had the immutability flag set. Quick fix, Synology is working on correcting it in a future release. I ran into this issue on DSM 7.2.1-69057 Update 3 as of 12-18-2023. Shout out again to Synology support for the quick turn around!

Synology DS923+ NAS Review, Part I

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I’ve been working with a Synology DS1621+ for a some time now (Thanks to Synology for providing it), and had a great experience with it. At this point it is running an integral part of my Homelab as well as servicing all the different devices floating around at home. After a recent conversation with Nick Kozup from Synology, a different model was sent to me for reviewing.

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Synology D1621+ Network Attached Storage Review Part I

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A while back I had a conversation with Synology and learned about their review program. After some discussion about different models for some testing scenarios I plan on doing, I received a very nice Synology DS1621+ well packaged. Currently disks are hard to come by, but I also received 4x Seagate IronWolf 4TB ST400NV008.

This blog series will go through some of the features and use case scenarios I’m planning on doing. This first part will focus on unpacking and getting the basic setup down.

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