asheenlevrai Posted March 7, 2022 #1 Posted March 7, 2022 Hi I am experiencing issues with my Xpen rig (918+) running DSM6.4 (latest available version on Jun's loader 1.4b). 8 HDDs total, 6 of them in a RAID5 array + remaining 2 as hot spare HDDs I get an error message that there is missing data in the write cache of my array (or something like that). I disabled write cache on all disk since. Now DSM asks to run data scrubbing followed by a file system check after reboot. In the meantime the array is in "WARNING" state (orange). After I complete the data scrubbing and the reboot and the file system check, I'm back at square one (DSM asks for data scrubbing followed by a file system check after reboot). Should I re-enable write cache on all disks? Thoughts? Thank you very much in advance for your help. Best, -a- Quote
asheenlevrai Posted March 7, 2022 Author #2 Posted March 7, 2022 I just noticed write cache keeps re-enabling itself on drives 2 & 3 for some reason... drive 2 is a hot spare drive and seems to disconnect quite often for some reason. Maybe it's failing? Quote
asheenlevrai Posted March 10, 2022 Author #3 Posted March 10, 2022 Actually I realize now that disk write cache randomly turns ON for drives 1-4 while it doesn't (remains OFF, as expected) for drives 5-8. Drives 1-6 are connected to the MB sATA ports while drives 7 & 8 are connected to a PCIe add-in sATA controller (with 5 ports). Does anyone have any clue about what's going on? thanks -a- Quote
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