# \#volume **URL:** https://forums.spacerex.co/tag/volume/19.md [Latest](https://forums.spacerex.co/latest.md) · [Categories](https://forums.spacerex.co/categories.md) · [Tags](https://forums.spacerex.co/tags.md) --- ## [Advice to migrate from a dead DS1821+ with 4-drive SHR storage pool (and died while expanding) to a DS1525+](https://forums.spacerex.co/t/advice-to-migrate-from-a-dead-ds1821-with-4-drive-shr-storage-pool-and-died-while-expanding-to-a-ds1525/3616)
**Author:** [@synapscio](https://forums.spacerex.co/u/synapscio)\ **Replies:** 2\ **Last updated:** [April 4, 2026, 11:27pm UTC](https://forums.spacerex.co/t/advice-to-migrate-from-a-dead-ds1821-with-4-drive-shr-storage-pool-and-died-while-expanding-to-a-ds1525/3616 "2026-04-04T23:27:07Z")
I’m looking for advice on exact steps to take in my situation once I get my replacement NAS. I was expanding my one SHR storage pool in a DS1821+ that had 4 Drives, by adding just one drive. Something happened across th… --- ## [Rebuilding after swapping hard drive?](https://forums.spacerex.co/t/rebuilding-after-swapping-hard-drive/3541)
**Author:** [@Mark\_Smith](https://forums.spacerex.co/u/Mark_Smith)\ **Replies:** 6\ **Last updated:** [January 9, 2026, 11:50pm UTC](https://forums.spacerex.co/t/rebuilding-after-swapping-hard-drive/3541 "2026-01-09T23:50:27Z")
I have four 20TB Exos drives and one 20TB IronWolf drive which was added after the four Exos. I want to replace the IronWolf with another 20TB Exos. Can I just shutdown the DS1522+, pull the IronWoft, replace it with the… --- ## [Got confirmation, unless you are migrating a pool you can't use your nvme's to create a cache](https://forums.spacerex.co/t/got-confirmation-unless-you-are-migrating-a-pool-you-cant-use-your-nvmes-to-create-a-cache/3539)
**Author:** [@notsimar](https://forums.spacerex.co/u/notsimar)\ **Replies:** 0\ **Last updated:** [January 3, 2026, 6:00am UTC](https://forums.spacerex.co/t/got-confirmation-unless-you-are-migrating-a-pool-you-cant-use-your-nvmes-to-create-a-cache/3539 "2026-01-03T06:00:36Z")
I opened up a ticket with Synology to figure out why I could not create a read write cache on my volume to pin btrfs metadata to cache. The drives would sit at 99% erasing and would move any further. So here is the reply… --- ## [Docker Unifi Controller question](https://forums.spacerex.co/t/docker-unifi-controller-question/2584)
**Author:** [@Michael\_R\_Houser\_Jr](https://forums.spacerex.co/u/Michael_R_Houser_Jr)\ **Replies:** 0\ **Last updated:** [December 17, 2024, 1:50pm UTC](https://forums.spacerex.co/t/docker-unifi-controller-question/2584 "2024-12-17T13:50:54Z")
I watched the installation of the Unifi Controller in Docker. The one thing I didn’t see or missed in the video was whether I needed to add config and db folders in the Docker/Unifi folder. At the end of the video, I saw… --- ## [Synology Volume lock with no access to keys](https://forums.spacerex.co/t/synology-volume-lock-with-no-access-to-keys/2571)
**Author:** [@Bain](https://forums.spacerex.co/u/Bain)\ **Replies:** 10\ **Last updated:** [December 16, 2024, 4:23pm UTC](https://forums.spacerex.co/t/synology-volume-lock-with-no-access-to-keys/2571 "2024-12-16T16:23:33Z")
Hello recently i was locked out of my NAS after moving and wasn’t able to access the web dashboard from my computer. I researched a bunch a found out a guide for soft reset as a fix via perplexity. What it did not ment… --- ## [Problem Viewing Some Movies on Plex Externally](https://forums.spacerex.co/t/problem-viewing-some-movies-on-plex-externally/2190)
**Author:** [@AvatharV](https://forums.spacerex.co/u/AvatharV)\ **Replies:** 2\ **Last updated:** [July 27, 2024, 4:20am UTC](https://forums.spacerex.co/t/problem-viewing-some-movies-on-plex-externally/2190 "2024-07-27T04:20:11Z")
I have a Synology 1521+ with 2 5-bay Expansion Bays running DSM 7.2.1 Update 5. Volume 1 is my Plex library and 26TB of the 45TB is filled. They are all use Plex naming structure and thus have a ton of folders. All of … --- ## [How to migrate existing volumes to encrypted volumes (DSM 7.2)](https://forums.spacerex.co/t/how-to-migrate-existing-volumes-to-encrypted-volumes-dsm-7-2/327)
**Author:** [@phermi](https://forums.spacerex.co/u/phermi)\ **Replies:** 10\ **Last updated:** [June 8, 2024, 10:07am UTC](https://forums.spacerex.co/t/how-to-migrate-existing-volumes-to-encrypted-volumes-dsm-7-2/327 "2024-06-08T10:07:20Z")
It is logical that the new volume encryption can’t encrypt existing volumes. Adding storage units to storage pools will allow to create new volumes and then “move” critical folders to them. Now, what will be the best wa… --- ## [Setup Raid 5 or SHR?](https://forums.spacerex.co/t/setup-raid-5-or-shr/1670)
**Author:** [@Tal7a](https://forums.spacerex.co/u/Tal7a)\ **Replies:** 6\ **Last updated:** [January 29, 2024, 5:53pm UTC](https://forums.spacerex.co/t/setup-raid-5-or-shr/1670 "2024-01-29T17:53:56Z")
Hello, I’m having Synology DS923+ and I’m struggling to decide if to set up my system to SHR or RAID 5. I am aware of the differences but not sure of the MAIN reasons to choose one over the other. I am using all 4x dri… --- ## [2 days for 200GB backup transfer?!](https://forums.spacerex.co/t/2-days-for-200gb-backup-transfer/1707)
**Author:** [@Tal7a](https://forums.spacerex.co/u/Tal7a)\ **Replies:** 1\ **Last updated:** [January 29, 2024, 1:31pm UTC](https://forums.spacerex.co/t/2-days-for-200gb-backup-transfer/1707 "2024-01-29T13:31:55Z")
What is the standard write/read speed of using SHR without SSD and upgraded Ethernet port? I just set up my DS923+ with 4x 22TB Seagate IronWolf Pros. Was excited to start backing up officially and the first folder was 2… --- ## [How to Upgrade and Convert to BTRFS](https://forums.spacerex.co/t/how-to-upgrade-and-convert-to-btrfs/1476)
**Author:** [@Dave223](https://forums.spacerex.co/u/Dave223)\ **Replies:** 0\ **Last updated:** [December 3, 2023, 6:48pm UTC](https://forums.spacerex.co/t/how-to-upgrade-and-convert-to-btrfs/1476 "2023-12-03T18:48:03Z")
I am trying to figure out how to upgrade my Synology NAS and convert from EXT4 to BRTFS and end up with only one volume. I would like to do it as safely as possible. My next priority is to do it as quickly as possible. W… --- ## [I lost Finding how long before volume is filled](https://forums.spacerex.co/t/i-lost-finding-how-long-before-volume-is-filled/1197)
**Author:** [@DMalt](https://forums.spacerex.co/u/DMalt)\ **Replies:** 2\ **Last updated:** [September 10, 2023, 7:44pm UTC](https://forums.spacerex.co/t/i-lost-finding-how-long-before-volume-is-filled/1197 "2023-09-10T19:44:24Z")
I am using DSM 7.2. I found a screen that calculated how long the system estimated before my volume would be filled. Problem is, I can’t find it (yes bookmarks are our friend!). Could someone please point me in the co… --- ## [Drive 1 of 4 failed in the middle of D4 Repair](https://forums.spacerex.co/t/drive-1-of-4-failed-in-the-middle-of-d4-repair/1145)
**Author:** [@Boyd\_Wold](https://forums.spacerex.co/u/Boyd_Wold)\ **Replies:** 3\ **Last updated:** [August 27, 2023, 9:08am UTC](https://forums.spacerex.co/t/drive-1-of-4-failed-in-the-middle-of-d4-repair/1145 "2023-08-27T09:08:49Z")
Setup: version: DS920+ RAID: SHR Drives: started with (4) 4TB ironwolf drives using 1 volume Current: (4) 14TB ironwolf drives inserted. D1 - Critical D2 - Healthy D3 - Healthy D4 - Repairing (39% done. Currently i… --- ## [Can't expand volume size](https://forums.spacerex.co/t/cant-expand-volume-size/1056)
**Author:** [@Skuli01](https://forums.spacerex.co/u/Skuli01)\ **Replies:** 4\ **Last updated:** [August 7, 2023, 9:52pm UTC](https://forums.spacerex.co/t/cant-expand-volume-size/1056 "2023-08-07T21:52:07Z")
Hi All, I’ve run into a problem that I can’t figure out. I have a 918+ and recently followed Synology’s guide for swapping out the smallest drive for a larger one to increase storage space. This process went seamlessly … --- ## [Migrating from SH1 to SH2 - Best Practice (or is RAID 6 better)](https://forums.spacerex.co/t/migrating-from-sh1-to-sh2-best-practice-or-is-raid-6-better/955)
**Author:** [@GABarber](https://forums.spacerex.co/u/GABarber)\ **Replies:** 1\ **Last updated:** [July 29, 2023, 1:20am UTC](https://forums.spacerex.co/t/migrating-from-sh1-to-sh2-best-practice-or-is-raid-6-better/955 "2023-07-29T01:20:03Z")
We have a DS923+ which is current configured as a 2 Drive SHR-1 with 6TB on 12TB drives and want to add 2 12TB drives and upgrade to a 4 drive configuration with at least two redundant drives. Which is a better directi… --- ## [Choosing between XCP-NG and Proxmox for homelab use](https://forums.spacerex.co/t/choosing-between-xcp-ng-and-proxmox-for-homelab-use/887)
**Author:** [@CapitalJD](https://forums.spacerex.co/u/CapitalJD)\ **Replies:** 0\ **Last updated:** [July 8, 2023, 12:34am UTC](https://forums.spacerex.co/t/choosing-between-xcp-ng-and-proxmox-for-homelab-use/887 "2023-07-08T00:34:52Z")
Hi Will - I’m curious what made you pick XCP-NG and how you’d compare it to Proxmox? I’ve watched your video on XCP-NG and I’ve watched Tom Lawrence’s video comparison but I’m struggling with which hypervisor to use for… --- ## [NAS on Mac shows folder sizes in Monterey, not in Catalina. Where is my mind?](https://forums.spacerex.co/t/nas-on-mac-shows-folder-sizes-in-monterey-not-in-catalina-where-is-my-mind/837)
**Author:** [@Piping](https://forums.spacerex.co/u/Piping)\ **Replies:** 0\ **Last updated:** [June 29, 2023, 7:37pm UTC](https://forums.spacerex.co/t/nas-on-mac-shows-folder-sizes-in-monterey-not-in-catalina-where-is-my-mind/837 "2023-06-29T19:37:47Z")
NAS on Mac shows folder sizes in Monterey but not in Catalina. What am I missing here? --- ## [DSM 7.2 Volume Encryption Key Confusion](https://forums.spacerex.co/t/dsm-7-2-volume-encryption-key-confusion/747)
**Author:** [@Shoramarauder](https://forums.spacerex.co/u/Shoramarauder)\ **Replies:** 0\ **Last updated:** [June 14, 2023, 5:07pm UTC](https://forums.spacerex.co/t/dsm-7-2-volume-encryption-key-confusion/747 "2023-06-14T17:07:05Z")
When would one require the encrypted volume key or password? The key/ password is stored in DSM and the volume auto mounts on powering up of the unit. Does performing a soft reset (one beep) to reset the admin password/… --- ## [macOS as server OS: impossible to create logical disk (LUN) for iSCSI target?](https://forums.spacerex.co/t/macos-as-server-os-impossible-to-create-logical-disk-lun-for-iscsi-target/733)
**Author:** [@Joss](https://forums.spacerex.co/u/Joss)\ **Replies:** 2\ **Last updated:** [June 12, 2023, 9:47am UTC](https://forums.spacerex.co/t/macos-as-server-os-impossible-to-create-logical-disk-lun-for-iscsi-target/733 "2023-06-12T09:47:26Z")
I don’t have a home server/lab/NAS yet, but I’m in the process of looking at all the options: Synology with DSM, DIY with Ubuntu Server, TerraMaster with Ubuntu Server etc. Since I’m living in Apple’s ecosystem, one of t… --- ## [No available storage pool for creating a new volume](https://forums.spacerex.co/t/no-available-storage-pool-for-creating-a-new-volume/667)
**Author:** [@databinder](https://forums.spacerex.co/u/databinder)\ **Replies:** 2\ **Last updated:** [June 5, 2023, 12:03am UTC](https://forums.spacerex.co/t/no-available-storage-pool-for-creating-a-new-volume/667 "2023-06-05T00:03:59Z")
I have Synology DS716+II, recently upgraded my HDD to 8TB - all in one storage pool using RAID 1 with data protection. And without paying much attention, a single volume takes up all the space. I was able to upgrade to … --- ## [Will it be possible to add nvme drives to an ssd raid 5 array?](https://forums.spacerex.co/t/will-it-be-possible-to-add-nvme-drives-to-an-ssd-raid-5-array/658)
**Author:** [@Christian\_Broce](https://forums.spacerex.co/u/Christian_Broce)\ **Replies:** 0\ **Last updated:** [May 24, 2023, 6:37pm UTC](https://forums.spacerex.co/t/will-it-be-possible-to-add-nvme-drives-to-an-ssd-raid-5-array/658 "2023-05-24T18:37:38Z")
Will it be possible to add nvme drives to an ssd raid 5 array (I have a ds1819+ and I have 8 2.5ssds) I got the nvme adapter and I was wondering if I can add more storage by adding ? has any one tried? --- ## [How long does it take data to be written to the hard drives in a Read/Write SSD Cache](https://forums.spacerex.co/t/how-long-does-it-take-data-to-be-written-to-the-hard-drives-in-a-read-write-ssd-cache/401)
**Author:** [@wolfixx](https://forums.spacerex.co/u/wolfixx)\ **Replies:** 2\ **Last updated:** [April 13, 2023, 12:15pm UTC](https://forums.spacerex.co/t/how-long-does-it-take-data-to-be-written-to-the-hard-drives-in-a-read-write-ssd-cache/401 "2023-04-13T12:15:13Z")
Hi, I have a 920+ and have a R/W Cache with NVME SSDs. When I write a file and it ends up in the cache how long will it take for that file to be written to the main hard disk volume? I couldn’t think of any informatio… --- ## [Storage Pool Has Degraded](https://forums.spacerex.co/t/storage-pool-has-degraded/340)
**Author:** [@gurgi](https://forums.spacerex.co/u/gurgi)\ **Replies:** 5\ **Last updated:** [April 13, 2023, 12:43am UTC](https://forums.spacerex.co/t/storage-pool-has-degraded/340 "2023-04-13T00:43:17Z")
Came home last night and found my synology beeping with no drive 4 light. DSM shows drives 1-3 healthy, but drive 4 is missing. Reboot, same issue. HDD to external machine PC - recognized. All drives are the same (ST8… --- ## [Snapshot from SSD to HDD](https://forums.spacerex.co/t/snapshot-from-ssd-to-hdd/385)
**Author:** [@nasuser](https://forums.spacerex.co/u/nasuser)\ **Replies:** 3\ **Last updated:** [April 12, 2023, 7:09pm UTC](https://forums.spacerex.co/t/snapshot-from-ssd-to-hdd/385 "2023-04-12T19:09:33Z")
Hey in your latest video https://www.youtube.com/watch?v=\_VuNjXwCjlA you chatted about setting up snapshots from the NVMe drive to the hard drives. What is a good link to read how to do that? I was thinking about addin… --- ## [Adding to storage pool?](https://forums.spacerex.co/t/adding-to-storage-pool/368)
**Author:** [@flood152](https://forums.spacerex.co/u/flood152)\ **Replies:** 2\ **Last updated:** [April 12, 2023, 1:38pm UTC](https://forums.spacerex.co/t/adding-to-storage-pool/368 "2023-04-12T13:38:53Z")
I have a 720+ with two 10tb drives. I’m starting to fill those up using SHR. I purchased a DX517 and want to add to my storage pool. I have a new an unused 4tb drive that I tried to add with no luck. Using the synolo… --- ## [Volume and Storage pools urgent advice required](https://forums.spacerex.co/t/volume-and-storage-pools-urgent-advice-required/279)
**Author:** [@JenMedia](https://forums.spacerex.co/u/JenMedia)\ **Replies:** 3\ **Last updated:** [April 9, 2023, 3:52pm UTC](https://forums.spacerex.co/t/volume-and-storage-pools-urgent-advice-required/279 "2023-04-09T15:52:53Z")
Hi.I’m new to Synology and also NAS. Can I get some advice? I have a 8 bay Nas and just wondering if I its better to have two volumes so I can back up from one volume to the next. what do you think? best way to set up 8… --- ## [Replacing Hard Drives from One Synology to Another](https://forums.spacerex.co/t/replacing-hard-drives-from-one-synology-to-another/171)
**Author:** [@SynologyRichie](https://forums.spacerex.co/u/SynologyRichie)\ **Replies:** 8\ **Last updated:** [April 9, 2023, 3:50pm UTC](https://forums.spacerex.co/t/replacing-hard-drives-from-one-synology-to-another/171 "2023-04-09T15:50:56Z")
Hi All! How scary is this process? If I decide to go crazy and purchase the mammoth 12 Bay Synology 2422+ to replace a smaller 5-Bay NAS, is it as simple as add the drives and presto no need to reformat? Or are there ad… --- ## [What happens when you deactivate a drive?](https://forums.spacerex.co/t/what-happens-when-you-deactivate-a-drive/297)
**Author:** [@JenMedia](https://forums.spacerex.co/u/JenMedia)\ **Replies:** 1\ **Last updated:** [March 30, 2023, 12:17pm UTC](https://forums.spacerex.co/t/what-happens-when-you-deactivate-a-drive/297 "2023-03-30T12:17:16Z")
what happens when you deactivate a drive? Do you have to erase it? Can you re-use it on the NAS as a new drive ( ie add to a vol) I also have 1 x Nvme cache that I deactived, how can I make it available again? Yikes.… --- ## [Pools or Volumes](https://forums.spacerex.co/t/pools-or-volumes/189)
**Author:** [@BGT](https://forums.spacerex.co/u/BGT)\ **Replies:** 2\ **Last updated:** [March 20, 2023, 3:37pm UTC](https://forums.spacerex.co/t/pools-or-volumes/189 "2023-03-20T15:37:00Z")
I have a Synology DS1618+. I had originally purchased the Synology strictly for use with my home surveillance system. I have five Seagate 4TB Ironwolf drive currently installed. I just took delivery of drive #6. I want … --- ## [Volume 1 shrink](https://forums.spacerex.co/t/volume-1-shrink/174)
**Author:** [@vdhoek](https://forums.spacerex.co/u/vdhoek)\ **Replies:** 2\ **Last updated:** [March 20, 2023, 3:30pm UTC](https://forums.spacerex.co/t/volume-1-shrink/174 "2023-03-20T15:30:23Z")
Good afternoon I have a desktop pool that contains all my drives on my 918+. here is 1 volume. can i shrink this volume. so I can add a 2? --- ## [Opinions on separate volumes](https://forums.spacerex.co/t/opinions-on-separate-volumes/93)
**Author:** [@Brian](https://forums.spacerex.co/u/Brian)\ **Replies:** 1\ **Last updated:** [March 15, 2023, 11:53pm UTC](https://forums.spacerex.co/t/opinions-on-separate-volumes/93 "2023-03-15T23:53:27Z")
I received another HD today and plan to use it for video recording/surveillance. I’ll be adding it to my 1522 which currently has 3 drives setup in RAID5 (volume0), bay 4 has a HD used for local backup of the RAID array… [Next page](https://forums.spacerex.co/tag/volume/19.md?match_all_tags=true&page=1&tags%5B%5D=volume)