Michael van Elst wrote: > p...@whooppee.com (Paul Goyette) writes: > > >[ 29641.773703] umass0 at uhub11 port 4 configuration 1 interface 0 > >[ 29641.773703] umass0: Western Digital (0x1058) Elements 2621 (0x2621), rev > >3.20/10.34, addr 4 > >[ 29641.773703] umass0: using SCSI over Bulk-Only > >[ 29641.793714] scsibus0 at umass0: 2 targets, 1 lun per target > >[ 29641.793714] sd0 at scsibus0 target 0 lun 0: <WD, Elements 2621, 1034> > >disk fixed > >[ 29641.793714] sd0(umass0:0:0:0): Check Condition on CDB: 0x00 00 00 00 00 > >00 > >[ 29641.793714] SENSE KEY: Not Ready > >[ 29641.793714] ASC/ASCQ: Logical Unit Is In Process Of Becoming Ready > >[ 29641.793714] sd0: drive offline > > > Sounds like that drive isn't spinning up. > > The "Elements" product doesn't exactly tell what it is, some units > either come with their own power supply or require non-standard > USB power.
Not enough USB power? Same model external drive: https://forums.tomshardware.com/threads/2tb-wd-elements-2621-is-detected-on-one-of-my-computers-but-not-the-other.3720369/#post-22432202 Cheers, Simon.