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Subject: Re: Scalar i40 tapechanger LUN appearing as a second tape drive
From: Dirk-Willem van Gulik <dirkx@webweaving.org>
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Date: Tue, 5 Jun 2018 19:28:54 +0200
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To: "Kenneth D. Merry" <ken@FreeBSD.ORG>
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> On 16 May 2018, at 19:30, Dirk-Willem van Gulik <dirkx@webweaving.org> =
wrote:
>=20
> On 16 May 2018, at 18:53, Kenneth D. Merry <ken@FreeBSD.ORG> wrote:
>=20
>>> Ok. good advice. Will do exactly that.
>>=20
>> The best controllers to use are LSI (now Broadcom) 6Gb or 12Gb SAS
>> controllers.  They have TLR support, which helps insure data =
integrity with
>> tape drives.
>=20
> Ok - we surely have a few  SAS9201 and LSIA SAS9202=E2=80=99s around.

Ok - So the summary is that 1) indeed the LSI controller see the Scalar =
i40 changer with no issue (and gives us a nice speed update). And that =
2) that there may be some regression in the cam/scsi stack -- restoring =
a FreeBSD-8-RELEASE makes the P222 see the changer again.

Next up - finding out what is wrong with LEOM (and amanda).

Dw.