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constant high disk usage from "System"

BahnStormer
By BahnStormer
in Troubleshooting
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I am seeing constant 300-400Mb/sec disk IO - over an hour after reboot and it is still going.

 

I thought it was some sort of Dropbox/OneDrive integrity check, but there's no NIC activity and it's still going.

 

System spec in signature. Win10 Pro 64bit, all latest drivers and patches.

Main rig: Ryzen 7 7800X3D, RTX3080Ti FE, 32Gb Teamgroup Create-T DDR5-6000C30, AC Freezer3 280mm AIO, Asrock Steel Legend X670E, M.2 2Tb Samsung 990 Pro, M.2 1Tb WDSN550, SATA 8Tb WD80EFAX, Corsair HX850, LianLi O11 Air Mini + 3x NF-A14's, MSI MPG 271QRX (27"/1440P/360Hz), Gigabyte M27Q (27"/1440P/170Hz), Asus PA248 (24"/1200P/60Hz), G815 kbd, G Pro X Superlight 2, Audezee Maxwell.

Games room "TV rig": 5800X3D, AC Freezer2 280mm AIO, ASUS Prime B450M, RTX4080S w/iChill AIO, 32Gb TridentZ DDR4-3600C14, M.2 500Gb & 1Tb WDSN550, 8Tb WD80EFAX, BeQuiet Straight 1000W,  LianLi O11 Air Mini, LG G4 (55"/4K/120Hz), G815 kbd, G502 mouse, LG G1 Soundbar / Audezee Maxwell.

Lounge HTPC: Minisforum UM760 Slim, Ryzen 5 7640HS, 16Gb DDR5, 1Tb M.2, LG C2 (42"/4K/120Hz), Logitech Touch K400.
Laptop: LOQ16, RTX4060, 16Gb DDR5, 2x 2Tb SN990 M.2.

NAS: Synology 1812+, 3Gb RAM, 3x16Tb Seagate EXOS RAID5, 1Tb MX500 cache, 3x3Tb WDRED RAID6, 120Gb SSD cache. 

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Just now, BahnStormer said:

I am seeing constant 300-400Mb/sec disk IO - over an hour after reboot and it is still going.

 

I thought it was some sort of Dropbox/OneDrive integrity check, but there's no NIC activity and it's still going.

 

System spec in signature. Win10 Pro 64bit, all latest drivers and patches.

okay - that was one of those problems where I've been mulling it over for the last 2hrs.... but just the act of typing it out made be go through the list of things it could be.

 

My 2x 8Tb spindle drives (RAID1) are re-synchronising... 100%, that's the cause. Explains why it's only 400Mb/sec too! 

Main rig: Ryzen 7 7800X3D, RTX3080Ti FE, 32Gb Teamgroup Create-T DDR5-6000C30, AC Freezer3 280mm AIO, Asrock Steel Legend X670E, M.2 2Tb Samsung 990 Pro, M.2 1Tb WDSN550, SATA 8Tb WD80EFAX, Corsair HX850, LianLi O11 Air Mini + 3x NF-A14's, MSI MPG 271QRX (27"/1440P/360Hz), Gigabyte M27Q (27"/1440P/170Hz), Asus PA248 (24"/1200P/60Hz), G815 kbd, G Pro X Superlight 2, Audezee Maxwell.

Games room "TV rig": 5800X3D, AC Freezer2 280mm AIO, ASUS Prime B450M, RTX4080S w/iChill AIO, 32Gb TridentZ DDR4-3600C14, M.2 500Gb & 1Tb WDSN550, 8Tb WD80EFAX, BeQuiet Straight 1000W,  LianLi O11 Air Mini, LG G4 (55"/4K/120Hz), G815 kbd, G502 mouse, LG G1 Soundbar / Audezee Maxwell.

Lounge HTPC: Minisforum UM760 Slim, Ryzen 5 7640HS, 16Gb DDR5, 1Tb M.2, LG C2 (42"/4K/120Hz), Logitech Touch K400.
Laptop: LOQ16, RTX4060, 16Gb DDR5, 2x 2Tb SN990 M.2.

NAS: Synology 1812+, 3Gb RAM, 3x16Tb Seagate EXOS RAID5, 1Tb MX500 cache, 3x3Tb WDRED RAID6, 120Gb SSD cache. 

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