Re: Recommendation on new system Arrays

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On 01/12/2017 09:39 AM, Phil Turmel wrote:
> Hi Ben,
>
> {Convention on kernel.org is reply-to-all -- please do.}
>
> On 01/07/2017 11:04 PM, Benjammin2068 wrote:
>
>> Also in other news.... (maybe someone from this list can help since they've run into it before)
>>
>> The motherboard of the computer has its own SATA controller as usual... as well as this Avago SAS controller.
>>
>> When CentOS 7 boots up, it enumerates the external SAS drives starting at /dev/sda instead of the motherboard's drives.
>>
>> The OCD in me wants the MB's SATA drives as /dev/sda-sdd.
>>
>> Where does one even control that enumeration order? udev? Eeks.
> You cannot control the order.  Period.  It is pseudo-random based on
> hardware responses to driver loads.  New kernels can have entirely
> different orders of devices, and if parallel loads are allowed, you can
> have one controller get sd[aceg] while another gets sd[bdfh]. The entire
> system of LABEL= and UUID= support via initramfs and blkid is intended
> make fstab and other utilities deterministic in spite of varying names.
>
> mdadm has always been resistant to naming problems thanks to its device
> #s and UUIDs in the superblocks.

Yea, I got that and understand... just the OCD in me. (sigh)

As for Reply/Reply-All -- most of the lists I happen to subscribe to "reply-to-list" (through one mechanism or another) as the default for "reply"... :(

The habit is hard to break.

Thanks!

 -Ben
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