smilenkovski Posted May 31, 2020 Share #1 Posted May 31, 2020 Just to share one positive experience. I have two xpenology NAS's .One daily driver for Plex. i3 fourth gen GB h81m mb, 16 GB ram updated to 6.2.3 (25426). One of my 5 6TB WD disks has 117 bad sectors. And Dsm was pushing notification very often (twice a day) especially on backup and other hdd intensive work. I found on synology forums that using WD Lifeguard (Windows) can help. Took a hdd in my windows pc, took 9 hours for 6TB hdd. But , no , one week later I hev no annoying notifications any more. Quote Link to comment Share on other sites More sharing options...
IG-88 Posted June 1, 2020 Share #2 Posted June 1, 2020 (edited) that means the bad sectors got remapped and your disk is still in the process of failing (as often those areas with bad sectors grow larger) i usually dont trust a disk anymore if it starts to show remapped or bad sectors, marks he usage end for me so at least have a backup and check all disks (s.m.a.r.t) for remapped for bad secors Edited June 1, 2020 by IG-88 Quote Link to comment Share on other sites More sharing options...
smilenkovski Posted June 1, 2020 Author Share #3 Posted June 1, 2020 Thanks for response . I have backup and tha disk has 117 bad sectors last two years, so... I will not replace it if I didn't have to. Quote Link to comment Share on other sites More sharing options...
jensmander Posted June 1, 2020 Share #4 Posted June 1, 2020 As @IG-88 said: once disks start failing it’s advisable to replace them. I wouldn’t use such drives anymore, except as an ash-can or riot equipment for throwing them at some idiots. Quote Link to comment Share on other sites More sharing options...
smilenkovski Posted June 2, 2020 Author Share #5 Posted June 2, 2020 O.K. I'm going to replace it with bigger drive Anybody have experience how long it take to rebuild 6 TB hdd to 10 TB hdd (both WD red NAS)? Quote Link to comment Share on other sites More sharing options...
jensmander Posted June 3, 2020 Share #6 Posted June 3, 2020 Is it a Raid member or a single drive? If it’s not part of a Raid copying 6TB from one drive to another can take some time. But it depends on the filetypes. Thousands of images will take longer than a handful of large videos. And there’s a chance that new bad sectors can slow down or even break the process of copying. Quote Link to comment Share on other sites More sharing options...
smilenkovski Posted June 3, 2020 Author Share #7 Posted June 3, 2020 It is SHR hdd containing large files and probably thousands of small files, Plex media server. Quote Link to comment Share on other sites More sharing options...
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