September 8, 20214 yr Community Expert Parity check is unrelated to the cache drive, I would either try it with the onboard SATA controller or try a different disk.
September 8, 20214 yr Author ok, I'll cancel the parity check and swap the cable to the onboard SATA controller.
September 8, 20214 yr Author Swapped the cable direct to the MB. Attached new diagnostics tower-diagnostics-20210908-1423.zip
September 8, 20214 yr Community Expert Same thing, so assuming the power cable was also replaced it looks like a disk problem.
September 8, 20214 yr Author Ok, thankfully that drive is still under warranty. Think the dropping of the user shares could be related to that problem?
September 9, 20214 yr Author Ok, parity check finished with no errors, no user shares are currently mounted. And a new cache drive is on the way. diagnostics attached. tower-diagnostics-20210909-0545.zip
September 9, 20214 yr Community Expert Rebooting without the cache device connected should bring back the user shares.
September 9, 20214 yr Community Expert 3 hours ago, Sirkyle said: new cache drive is on the way 2 hours ago, JorgeB said: Rebooting without the cache device connected should bring back the user shares. Note that if you try to run dockers/VMs without cache those are going to be recreated from scratch on the array, so best if you leave those disabled (in Settings - Docker and VM Manager) until you get everything copied to the new cache.
October 1, 20214 yr Author So been awhile, replaced the cache with a new drive and things had been running fine all month. when parity check ran last night for the first of the month, it completed this morning with 0 errors, but seems like cache is offline again? No dockers available. user shares were offline. grabbed diagnostics before rebooting. I'll hold off rebooting. tower-diagnostics-20211001-1301.zip
October 1, 20214 yr Community Expert Oct 1 00:00:31 Tower kernel: ata6: SATA link down (SStatus 0 SControl 300) Oct 1 00:00:31 Tower kernel: ata6.00: link offline, clearing class 1 to NONE Oct 1 00:00:31 Tower kernel: ata6.00: disabled Cache device dropped offline, because of that there's no SMART, check/replace cables and post new diags.
October 1, 20214 yr Author It’s on a set of brand new cables albeit it runs into a backplane. Doesn’t ever seem to be a problem until a parity check occurs. Should I just swap bays?
October 1, 20214 yr Community Expert Parity check won't affect a cache device, try a different bay, if it keeps dropping try a new disk.
October 1, 20214 yr Community Expert 1 minute ago, Sirkyle said: Doesn’t ever seem to be a problem until a parity check occurs. Are you sure you don't have a power problem?
October 1, 20214 yr Author 27 minutes ago, trurl said: Are you sure you don't have a power problem? So each column of 8 bays is supported by a Molex plug and no other drives in the column are having issues. I’ll try a diff bay
October 1, 20214 yr Author switched to a new bay. diagnostics attached tower-diagnostics-20211001-1417.zip
October 1, 20214 yr Community Expert SMART looks good, but if it keeps failing on a different bay it could still be a bad disk, or like trurl mentioned caused by not enough power or some voltage drop when running a parity check.
October 1, 20214 yr Community Expert 2 minutes ago, trurl said: Why are you using an SMR drive for cache? NVM, see I already asked that a month ago.
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