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Bug#987906: marked as done (release-notes: mention non-deterministic SCSI device probing?)

Your message dated Tue, 25 May 2021 20:56:34 +0200
with message-id <1ecd5109-6734-96f4-3fb6-5b7f5c1fe7fd@debian.org>
and subject line Re: Bug#987906: release-notes: mention non-deterministic SCSI device probing?
has caused the Debian Bug report #987906,
regarding release-notes: mention non-deterministic SCSI device probing?
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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987906: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987906
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--- Begin Message --- 
Package: release-notes
Severity: normal

Hi,

One of the change that occured in the kernel side since bullseye that is
SCSI device probing is now non-deterministic.

We have been bitten by that at $dayjob because we were still relying on
disks ordering (sda, sdb) in some stuff.

There's a discussion about that in
https://lore.kernel.org/lkml/59eedd28-25d4-7899-7c3c-89fe7fdd4b43@acm.org/t/

The change occured upstream in kernel 5.3.

Lucas

--- End Message ---
--- Begin Message --- 
Hi Lucas,

Some discussion went off-bug (boo), but this I'm going to push this shortly.

On 25-05-2021 10:16, Justin B Rye wrote:
> Justin B Rye wrote:
>> Justin B Rye wrote:
>>>    <section id="scsi-non-deterministic">
>>>      <title>SCSI device probing is non-deterministic</title>
>>>      <para>
>>>        Due to changes in the Linux kernel, the probing of SCSI devices is no
>>>        longer deteministic. This could be an issue for installations that
>>>        rely on the disk probing order. Two possible alternatives using links
>>>        in <filename>/dev/disk/by-path</filename> or a <systemitem
>>>        role="package">udev</systemitem> rule are suggested in
>>>        <ulink url="https://lore.kernel.org/lkml/59eedd28-25d4-7899-7c3c-89fe7fdd4b43@acm.org/";>this
>>>        Linux Kernel Mail List post</ulink>.
>>>      </para>
>>>    </section>
>>
>> Oh, LKML's officially the Linux Kernel Mail^ing^ list.  And we could
>> save a whole three characters in that URL if we use the redirector:
>>
>>         role="package">udev</systemitem> rule are suggested in
>>         <ulink url="https://lore.kernel.org/r/59eedd28-25d4-7899-7c3c-89fe7fdd4b43@acm.org/";>this
>>         Linux Kernel Mailing List post</ulink>.
> 
> Um, except that that isn't the LKML, it's just *A* linux-related ML.
> 
> And I'd missed a typo in "dete^r^ministic".
> 
>     <section id="scsi-non-deterministic">
>       <title>SCSI device probing is non-deterministic</title>
>       <para>
>         Due to changes in the Linux kernel, the probing of SCSI devices 
is no
>         longer deterministic. This could be an issue for installations that
>         rely on the disk probing order. Two possible alternatives using 
links
>         in <filename>/dev/disk/by-path</filename> or a <systemitem
>         role="package">udev</systemitem> rule are suggested in
>         <ulink url="https://lore.kernel.org/lkml/59eedd28-25d4-7899-7c3c-89fe7fdd4b43@acm.org/";>this
>         mailing list post</ulink>.
>       </para>
>     </section>

Paul

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