# [OmniOS-discuss] panic: bd_strategy after new loader installed

Peter Eriksson peter at ifm.liu.se
Mon May 29 06:50:34 UTC 2017

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    For what it’s worth I’ve seen the same error message on a Dell server that happened to have 10TB-drives (not the boot disks!) that was formatted using 4104-bytes sectors in order to support the T10-PI/DIF & T10-DIF standards. The errors started to occur when we replaced the RAID controller with an HBA. Non 512/4096-bytes sectors apparently confused the boot loader when scanning the drives for the boot zpool. This was on a FreeBSD system though. The solution was to perform a low level reformatting of the drives in to standard 4096 byte sectors.

    https://en.wikipedia.org/wiki/Data_Integrity_Field <https://en.wikipedia.org/wiki/Data_Integrity_Field>

    https://access.redhat.com/solutions/41548

    http://www.enterprisestorageforum.com/storage-technology/sas-vs.-sata-4.html <http://www.enterprisestorageforum.com/storage-technology/sas-vs.-sata-4.html>

    —
    [Lı.U] System Administrator ITI-NET IT.LiU.SE +46-13-28 2786

    > On 18 May 2017, at 21:55, Geoff Nordli <geoffn at gnaa.net> wrote:
    >
    > Hi.
    >
    > I upgraded to the latest r151022 version.  The upgrade went fine, rebooted the machine, then upgraded to the new loader.
    >
    > When i rebooted after the loader upgrade, I got an error message:
    >
    > panic: bd_strategy: 512 bytes I/O not multiple of block size.
    >
    > press a key on the console to reboot....
    >
    > Rebooting...
    >
    > panic free: guard1 fail @ 0x2e2e2e67 from ../../common/devopen.c:64
    >
    > The boot disk is an 80GB intel ssd.
    >
    > Any thoughts?
    >
    > thanks,
    >
    > Geoff
    >
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    > OmniOS-discuss at lists.omniti.com
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