May 12, 20242 yr Forgive me if my terminology is incorrect, Noob here. I've been in the process of migrating from my 10 year old Windows 10 fileserver to a "refreshed" Unraid setup. I have two 8TB drives and another 8TB drive as a parity drive in the array. I currently have a 120GB SSD that's lying around. I'd like to integrate it for my Appdata, Plex and DizqueTV docker containers as well as use it as a cache pool. I don't have any VM's as of yet. As I understand it, having the appdata and Plex docker on the SSD will increase the performance. Larger Cache pools for transfers isn't too necessary since I'll do 30GB-40GB transfers, once a week or so. I only have the one SSD drive, and I'd like to have some redundancy if it fails without sacrificing performance (even if it's a nightly mirror onto the array) or whatever the best way to do it is. Perhaps the Appdata Backup plugin? Not sure if that's possible and if I'm barking up the wrong tree? I suspect that in time I'll upgrade to multiple SSD cache pool drives. But for now, during my evaluation stage of Unraid, this fits the bill to poke and prod! Edited May 12, 20242 yr by csimpson
May 12, 20242 yr Add the disk to a pool. Setup primary and secondary storage on system and appdata shares. Mover action will be array to cache. Disable docker engine and run the mover. It will move your appdata and docker image to the cache drive. Edited May 12, 20242 yr by Gragorg
May 12, 20242 yr Author 2 hours ago, Gragorg said: Add the disk to a pool. Setup primary and secondary storage on system and appdata shares. Mover action will be array to cache. Disable docker engine and run the mover. It will move your appdata and docker image to the cache drive. Great, thanks for this! Seems pretty straight forward. Do I need to do anything with Plex or the container to point to a new location or anything? For example, I have the Plex Cache set to /mnt/user/appdata/Plex-Media-Server/transcode/ currently. Edited May 12, 20242 yr by csimpson
May 13, 20242 yr Author Okay, so I'm trying to add the disk to the cache pool and am receiving the following error: I turned destructive mode "on" with the unassigned devices plugin, removed the existing partitions, started the array and tried to format while adding the cache drive. Unmountable: Unsupported or no file system More info on what I'm being told. May 13 09:27:31 fileserver emhttpd: shcmd (1044): /sbin/wipefs -af /dev/sdi1 May 13 09:27:31 fileserver emhttpd: writing MBR on disk (sdi) with partition 1 offset 2048, erased: 0 May 13 09:27:32 fileserver emhttpd: re-reading (sdi) partition table May 13 09:27:32 fileserver emhttpd: error: mkmbr, 2196: Device or resource busy (16): ioctl BLKRRPART: /dev/sdi May 13 09:27:37 fileserver emhttpd: shcmd (1046): /sbin/blkdiscard /dev/sdi1 May 13 09:27:37 fileserver root: blkdiscard: cannot open /dev/sdi1: Device or resource busy May 13 09:27:37 fileserver emhttpd: shcmd (1047): mkfs.btrfs -f /dev/sdi1 May 13 09:27:37 fileserver root: ERROR: /dev/sdi1 is mounted May 13 09:27:37 fileserver emhttpd: /mnt/cache: no btrfs or device /dev/sdi1 is not single Drive doesn't show any error. Any ideas?
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