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From: "R. Schwartz" <>
To: Andrei Borzenkov <>
Cc: "" <>
Subject: Re: Should nossd mount option be used for an HDD detected as non-rotational?
Date: Sat, 13 Jul 2019 11:18:38 +0000
Message-ID: <> (raw)
In-Reply-To: <>

On Saturday, July 13, 2019 11:06 AM, Andrei Borzenkov <> wrote:
> kernel sets non-rotational flag according to Medium Rotation Rate field
> in Block Device Characteristics VPD page (0xb1). What
> sg_vpd -p bdc /dev/xxx
> says?

Block device characteristics VPD page (SBC):
  Non-rotating medium (e.g. solid state)
  Product type: Not specified
  Nominal form factor: 2.5 inch

Hmm, it also says 2.5 inch while it's a 3.5 inch drive.
Could be the connector though, methinks.

(Sorry, resent adding CC: ML)

      reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-13  9:22 R. Schwartz
2019-07-13 11:06 ` Andrei Borzenkov
2019-07-13 11:18   ` R. Schwartz [this message]

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