# [OmniOS-discuss] Move rpool from IDE mode to AHCI ?

Svavar Örn Eysteinsson svavar at januar.is
Fri May 9 09:27:49 UTC 2014

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    Hello List.

    I recently installed and configured OmniOS on a HP Microserver N40L NAS box.

    In time to time my box hangs/freezes for some seconds, when I try to SSH
    into the box or execute some SMART-INFO functions.
    And then it gives me access.

    In my /var/adm/messages i have these messages :

    May  8 20:10:41 blackbox scsi: [ID 107833 kern.warning] WARNING: /pci at 0
    ,0/pci-ide at 14,1/ide at 0 (ata0):
    May  8 20:10:41 blackbox        timeout: abort request, target=1 lun=0
    May  8 20:10:41 blackbox scsi: [ID 107833 kern.warning] WARNING: /pci at 0
    ,0/pci-ide at 14,1/ide at 0 (ata0):
    May  8 20:10:41 blackbox        timeout: abort device, target=1 lun=0
    May  8 20:10:41 blackbox scsi: [ID 107833 kern.warning] WARNING: /pci at 0
    ,0/pci-ide at 14,1/ide at 0 (ata0):
    May  8 20:10:41 blackbox        timeout: reset target, target=1 lun=0
    May  8 20:10:41 blackbox scsi: [ID 107833 kern.warning] WARNING: /pci at 0
    ,0/pci-ide at 14,1/ide at 0 (ata0):
    May  8 20:10:41 blackbox        timeout: reset bus, target=1 lun=0
    May  8 20:10:42 blackbox gda: [ID 107833 kern.warning] WARNING: /pci at 0
    ,0/pci-ide at 14,1/ide at 0/cmdk at 1,0 (Disk0):
    May  8 20:10:42 blackbox        Error for command 'read sector' Error
    Level: Informational
    May  8 20:10:42 blackbox gda: [ID 107833 kern.notice]   Sense Key: aborted
    command
    May  8 20:10:42 blackbox gda: [ID 107833 kern.notice]   Vendor 'Gen-ATA '
    error code: 0x3

    My current configuration is the System(OmniOS) is installed onto a SATA
    disk located at port 5 on the Microserver.
    (yes i have the BIOS hacked which allows for SATA 3G/AHCI functions on the
    port other ports)
    Then I have 4x SATA disks configured in RAIDZ

    I double checked my BIOS configuration, and it seems that I have
    misconfigured the OS disk into a IDE mode, but not AHCI.
    So when I change the mode to AHCI, I get the GRUB loader and the OmniOS
    logo after that, but suddenly the machines restarts again
    and never boots into the system all the way.

    So my question is, is there any way for my to reconfigure my running-system
    to use AHCI instead of IDE,ATA mode ?

    Is it enough to boot up a usb live system and issue a "zpool import -f
    rpool", and then finally "zpool export rpool" with a running BIOS-config as
    AHCI
    and then restart the computer and let it boot normally ? I read somewhere
    that the import/export functions would update the device path, but I have
    no experience on this issue.

    Any help would be much appreciated.

    Thanks allot people.

    Best regards,

    Svavar O
    Reykjavik - Iceland
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