108 lines
6.0 KiB
HTML
108 lines
6.0 KiB
HTML
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<title>Directly attached SCSI support for a logical partition</title>
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<h1 class="topictitle1">Directly attached SCSI support for a logical partition</h1>
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<div><p>Directly attached SCSI drives can be configured in a variety of
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methods.</p>
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<p>Directly attached SCSI disk, tape, and optical devices are controlled by
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either the ibmsis device driver or the ipr device driver, depending on the
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storage adapter type. Refer to the I/O device table to determine which device
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driver your storage adapter utilizes. Refer to the PCI-X SCSI RAID Controller
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Reference Guide for Linux (Doc SA23-1327) for full documentation for both
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the ibmsis and ipr device drivers. This document contains information on how
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to configure directly attached disks, configure raid arrays, and perform error
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recovery and service.</p>
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<p>Using the option to Display Disk Hardware Status in sisconfig, you see
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a model type for each directly attached SCSI device. You can determine if
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Linux has access to the disk by model number. If Linux does not have access
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to the disk, sisconfig can be used to resolve common disk errors. If sisconfig
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does not make the disk accessible to the logical partition, contact your next
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level of support.</p>
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<p>Directly attached SCSI drives in a logical partition displays the following
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information:</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" width="33.33333333333333%" id="d0e28">Model</th>
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<th valign="top" width="33.33333333333333%" id="d0e30">Description</th>
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<th valign="top" width="33.33333333333333%" id="d0e32">Sisconfig task</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" width="33.33333333333333%" headers="d0e28 ">020</td>
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<td valign="top" width="33.33333333333333%" headers="d0e30 ">Disk is unprotected and uncompressed.</td>
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<td valign="top" width="33.33333333333333%" headers="d0e32 ">Sisconfig is not needed.</td>
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</tr>
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<tr><td valign="top" width="33.33333333333333%" headers="d0e28 ">050</td>
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<td valign="top" width="33.33333333333333%" headers="d0e30 ">Disk is unprotected and uncompressed.</td>
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<td valign="top" width="33.33333333333333%" headers="d0e32 ">Sisconfig is not needed.</td>
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</tr>
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<tr><td valign="top" width="33.33333333333333%" headers="d0e28 ">060</td>
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<td valign="top" width="33.33333333333333%" headers="d0e30 ">Disk is compressed.</td>
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<td valign="top" width="33.33333333333333%" headers="d0e32 ">Disk should be initialized and formatted.</td>
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</tr>
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<tr><td valign="top" width="33.33333333333333%" headers="d0e28 ">07x</td>
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<td valign="top" width="33.33333333333333%" headers="d0e30 ">Disk is parity protected.</td>
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<td valign="top" width="33.33333333333333%" headers="d0e32 ">Sisconfig is not needed.</td>
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</tr>
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<tr><td valign="top" width="33.33333333333333%" headers="d0e28 ">08x</td>
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<td valign="top" width="33.33333333333333%" headers="d0e30 ">Disk is compressed and parity protected.</td>
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<td valign="top" width="33.33333333333333%" headers="d0e32 ">Disk should be initialized and formatted. Device
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parity protection should also be stopped.</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>Additional technical information on how to use the ibmsis utilities is
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included in a readme file with each download.</p>
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<p>Certain Linux drivers are required before you can use the directly attached
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SCSI devices. Before you use ibmsis, verify you have the following Linux drivers: </p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e80">Description</th>
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<th valign="top" id="d0e82">Module name</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e80 ">Low-level SCSI device driver</td>
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<td valign="top" headers="d0e82 ">ibmsis</td>
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</tr>
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<tr><td valign="top" headers="d0e80 ">SCSI disk driver in base Linux kernel</td>
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<td valign="top" headers="d0e82 ">sd.o</td>
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</tr>
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<tr><td valign="top" headers="d0e80 ">SCSI tape driver in base Linux kernel</td>
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<td valign="top" headers="d0e82 ">st.o</td>
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</tr>
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<tr><td valign="top" headers="d0e80 ">SCSI CD-ROM driver in base Linux kernel</td>
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<td valign="top" headers="d0e82 ">sr.o</td>
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</tr>
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<tr><td valign="top" headers="d0e80 ">SCSI driver in base Linux kernel</td>
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<td valign="top" headers="d0e82 ">scsi_mod.o</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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