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Date:      Thu, 30 Jan 2020 15:42:31 +0100
From:      =?utf-8?Q?Peter_Rap=C4=8Dan?= <peter.rapcan@savba.sk>
To:        freebsd-hackers@freebsd.org
Subject:   How do I tell gptzfsboot NOT to analyze other disks (or specify which disks to analyze)?
Message-ID:  <EC3F4FDB-7186-4F24-9EC9-771ED239510D@savba.sk>

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Hi,

Is there a way to tell gptzfsboot NOT to analyze other disks (or specify =
which disks to analyze)? (My system is on PATA disk(s) while the data =
disks are SATA, hence there is no use to probe the SATA disks to search =
for a bootable system).

I am asking this to get around the following problem (bug?) I =
encountered (tried both freeBSD 12.1 and freeNAS [11.2-U4 though =
11.3-RC2]):=20
When booting, I get "gptzfsboot: error 128 lba some_block_number" errors =
in the phase when gptzfsboot is probing my data HDDs (on which there is =
no bootloader, nor system, the drives can be even empty, with or without =
a partition table).=20
The system boots eventually but the boot takes cca N x 7 minutes, where =
N is the number of data disks gptzfsboot is trying to analyze (there are =
several gptzfsboot: error 128 lba some_block_number lines per disk and =
each takes some time to appear).

Note: installer CD boots the installer system just fine. Also, once the =
system is installed, and the system has booted from HDD (this takes ~30 =
minutes with multiple  gptzfsboot: error 128 lba some_block_number for =
each disk) the system works just fine, including the very same data =
disks that "produce" the errors.=20

Anyway, should this be reported as a bug?

Any help is greatly appreciated.


Cheers, --Peter


P.S.: When putting the drives in another PC, the behavior is the same, =
only gptzfsboot: error 128 lba some_block_number becomes gptzfsboot: =
error 32 [if I remember the number correctly] lba some_block_number.=



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