[zfs-discuss] Failed to probe /dev/sdX for filesystem type

Gregor Kopka (@zfs-discuss) zfs-discuss at kopka.net
Wed Feb 7 05:16:19 EST 2018


I once went around such an isse by temporary replacing grub-probe with a
script consisting of:
> #!/bin/bash
> echo "zfs"
to stop grub from failing the detection.

Possibly you have changed the layout of the drives without reloading
them, so the some things use the old partitioning scheme?
Executing sfdisk -R <device> might help in that case.

Gregor


Am 06.02.2018 um 22:36 schrieb ubuntu serv.user via zfs-discuss:
> Those four were actually listed in '/dev'
>
> I started over from scratch and applied the workaround as
> recommended.  It unfortunately did not change the outcome.  I am still
> receiving the same error messages-
> "Failed to probe" /dev/sdXX "for filesystem type"  
>
> I am unsure what to try next.  Suggestions?
>
>
> On Mon, Feb 5, 2018 at 11:04 PM, Richard Laager <rlaager at wiktel.com
> <mailto:rlaager at wiktel.com>> wrote:
>
>     On 02/05/2018 09:48 PM, ubuntu serv.user via zfs-discuss wrote:
>     > I didn't try the workaround because there wasn't an issue from
>     executing
>     > the command-
>     > grub-probe /
>
>     Do you have files in /dev (directly in /dev, not in the
>     /dev/disk/by-id
>     subdirectory structure) named:
>     usb-SAMSUNG_SSD_SM841_2.5__7_0000AB12354C-0:0-part1
>     usb-TOSHIBA_MK8051GSY_0000AB12348F-0:0-part1
>     usb-WDC_WD32_00BPVT-22JJ5T0_0000AB1235DD-0:0-part1
>     usb-WDC_WD32_00LPVX-75V0TT0_0000AB12369D-0:0-part1
>
>     If not, the workaround of `export ZPOOL_VDEV_NAME_PATH=YES` will
>     almost
>     certainly fix the issue.
>
>     If you do have the entries directly in /dev, it shouldn't be
>     necessary,
>     but try it anyway. Past that, nothing is jumping out at me.
>
>     --
>     Richard
>
>
>
>
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