March 26, 20233 yr Hello, since the 2nd parity drive I got the message "Write Cache is disabled on parity" from Fix Common Problems plugin. When I try this command hdparm -W 1 /dev/sdc I receive this /dev/sdc: setting drive write-caching to 1 (on) HDIO_DRIVE_CMD(setcache) failed: Invalid argument write-caching = 0 (off) How I can set up write cache on my parity drives? Just fyi, my drives (SATA) connected to SAS backplane on my Dell PowerEdge R430
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