Tibag Posted January 29, 2018 Share #1 Posted January 29, 2018 Hi all, Today I have successfully upgraded my 6.0.1 to 6.1.4 on my N54L using the loader 1.02b and ESXi. After updating all my apps I decided to apply the update 5 via the UI / auto download. When it came back I got my RAID group crashed. I've tried to: rebuild by RAID group, like done there: recreate my ESXi image to force a repair After recreating my RAID group and rebooting I can see the group is healthy (cat /proc/mdstat shows state "U"), even from DSM, and it crashes after a few seconds being logged in. Any idea what could be causing that? I checked /var/log/messages and can't see anything helpful. Thanks Quote Link to comment Share on other sites More sharing options...
Tibag Posted February 3, 2018 Author Share #2 Posted February 3, 2018 Okay, it seems like I've just been unlucky. My HDD had some failing sectors ; I could access all my files but DSM would complain (on any version, 6.2 update 1 or 5). I backed up my files, plugged it back on my PC with Windows, installed the Western Digital Data LifeGuard Diagnostics and verified disk. It found some bad sectors and fixed them. Then a did a deep format, it took ~6h. Put it back in my N54L and ran again the installation. I've recreated my RAID group, it's currently checking the disk but so far so good (before it would fail around 5% of the check). Quote Link to comment Share on other sites More sharing options...
IG-88 Posted February 3, 2018 Share #3 Posted February 3, 2018 you should not use a already failing disk, experience tells me that if a disk starts to show such behavior it will continue and get worse at least try to get more information with s.m.a.r.t. about the remapping area Quote Link to comment Share on other sites More sharing options...
Tibag Posted February 4, 2018 Author Share #4 Posted February 4, 2018 Agreed, I am not storing anything I am not backing up elsewhere so I am not too worried. It's also weird a WD RED HDD would fail after 3.5 years?... Quote Link to comment Share on other sites More sharing options...
Polanskiman Posted February 5, 2018 Share #5 Posted February 5, 2018 There is theory and the reality. HDDs are not infallible even RED HDDs. Some might last more some less. Many variables involved. Quote Link to comment Share on other sites More sharing options...
IG-88 Posted February 5, 2018 Share #6 Posted February 5, 2018 -> https://www.backblaze.com/blog/hard-drive-stats-for-2017/ (use case is a little different from ours but good data) it prefer HGST and my ...ALE.630 4TB drives are still holding after 5 years Quote Link to comment Share on other sites More sharing options...
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