EMC Qlogic QLA22xx Installationsanleitung PDF herunterladen (Seite 63)

Symmetrix Fibre Channel with Qlogic HBAs on Linux Hosts

Fabric Configurations

BLIST_NOLUN

Hosts with a GEM SCSI chip on the motherboard may incorrectly

report multiple processors when booting. This incorrect reporting can

be fixed by adding an entry to BLIST_NOLUN in the file scsi.c.

For example, in the NEC ExpressServer 5800 120Ra2, the GEM chip

incorrectly reports back 8 LUNs instead of 1 LUN as it should. This

problem can be corrected by editing scsi.c as follows:

cd /usr/src/linux/drivers/scsi x

vi scsi.c x

3. Search for the following:

static struct dev_info device_list [] =

{"Aashima", "IMAGERY 2400sp", "1.03", BLIST_NOLUN}, /*Locks up if

polled for lun != 0 */

{"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN}, /*Locks up if polled

for lun != 0*/

where:

•

Aashima = Make

•

IMAGERY2 2400sp = Model

•

1.03 = firmware

•

BLIST_NOLUN = flag

4. Go to the end of the

BLIST_NOLUN list and add the device. For

example, in the case of the NEC ExpressServer 5800 120Ra2, the

entry would be similar to the following:

{"NEC", "GEM312R-G7CGQ", "4.1a", BLIST_NOLUN}, /*Reports back

incorrect LUNs*/

5. After this addition is made; then proceed to Configuring and

Compiling the Kernel on page 64.

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EMC Qlogic QLA22xx Installationsanleitung Seite 63