presence06 Posted February 18, 2021 Share Posted February 18, 2021 Unraid 6.8.3. 1TB Cache drive in brtfs. Shares I have appdata, domains and system to to PREFER, I have Transcode for Plex set to ONLY. I've been off and on looking at the writes to the cache and keep wanting to dive into this rabbit hole. My drive is I think 2 years old maybe 10k in hours on, with Data Written showing 468TB. Am I just being overly cautious with worrying about this? I cleared my disk stats last night and with Plex and all other dockers off, I was getting bumps of several hundred writes and over night it passed over a million writes to the cache. I have One VM - windows 10 that is for gaming mostly, and then other dockers.. talking with another user they mentioned they use an unassigned drive for their appdata and it works well with less writes.. is that maybe the way to go? I can't help but feel like I have something misconfigured in my setup.. Quote Link to comment
JorgeB Posted February 18, 2021 Share Posted February 18, 2021 It's a known issue, upgrading to v6.9 and re-formatting the SSD will decrease writes by a large factor, as much as 10x. 1 Quote Link to comment
presence06 Posted February 18, 2021 Author Share Posted February 18, 2021 other question I guess is, for Appdata should that be set to PREFER or ONLY for cache setting? if I change it ONLY will it screw anything up from what it's currently setup as? Quote Link to comment
JorgeB Posted February 18, 2021 Share Posted February 18, 2021 Only should be fine, and no. Quote Link to comment
repomanz Posted March 7, 2021 Share Posted March 7, 2021 (edited) On 2/18/2021 at 10:48 AM, JorgeB said: It's a known issue, upgrading to v6.9 and re-formatting the SSD will decrease writes by a large factor, as much as 10x. Hi @JorgeB Can you help me clarify this statement. I was on 6.8.3 (brtfs - single ssd cache drive) and have upgraded to 6.9 now that the release is in production. The bit I don't understand is the need to reformat. How will reformatting the cache/ssd help here in context of 6.9 and regarding excessive writes? Edited March 7, 2021 by repomanz Quote Link to comment
JorgeB Posted March 7, 2021 Share Posted March 7, 2021 6 hours ago, repomanz said: How will reformatting the cache/ssd help here in context of 6.9 and regarding excessive writes? Not just re-format, you need to delete existing partition, v6.9 uses a more optimized partition layout for SSDs: https://wiki.unraid.net/Unraid_OS_6.9.0#SSD_1_MiB_Partition_Alignment Quote Link to comment
repomanz Posted March 7, 2021 Share Posted March 7, 2021 3 hours ago, JorgeB said: Not just re-format, you need to delete existing partition, v6.9 uses a more optimized partition layout for SSDs: https://wiki.unraid.net/Unraid_OS_6.9.0#SSD_1_MiB_Partition_Alignment Thanks for the clarification @JorgeB Quote Link to comment
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