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Re: USB disk not completely configured

Thomas Klausner <> writes:

> When I plug in a new disk I bought recently, I get:
> umass1 at uhub4 port 8 configuration 1 interface 0
> umass1: Samsung D3 Station, rev 2.10/2.02, addr 5
> umass1: using SCSI over Bulk-Only
> scsibus1 at umass1: 2 targets, 1 lun per target
> inquire: addlen=71, not retrying
> sd5 at scsibus1 target 0 lun 0: <Samsung, D3 Station, 0202> disk fixed
> sd5(umass1:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
>     SENSE KEY:  Not Ready
>      ASC/ASCQ:  Logical Unit Is in Process Of Becoming Ready
> sd5: drive offline
> sd5: unable to open device, error = 5
> sd5: fabricating a geometry
> but then I get no further devices.
> I was able to add a GPT table, and "gpt list /dev/sd5" works, so I can
> manually create wedges using dkctl. It'd be nicer if it was done
> automatically, like usual, though...

I wonder if the disk is returning a "Not Ready" to some operation, which
should be interpreted as "wait a few seconds and try again" rather than
erroring out.  You could try putting in a wait loop to retry every 1s
for 30s, or something like that.   I wonder if this disk returns this
until it's fully spun up, rather than just haing the first operation
that actually needs it spun up take a long time.

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