 | | | RHEL3 Max SCSI Disk limit | RHEL3 Max SCSI Disk limit 2004-10-26 - By Ken Schroeder
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Anyone know what the current OS limit of RHEL3 is for the number of
SCSI devices per host? Currently I have not been able to scale past
256 devices total. The platform I am testing on is with EMC storage and
Qlogic 2200 hba 's. I have 103 physical devices being presented on the
SAN and am able to see all 103 devices on my first two HBA 's(target 0 &
1) on my 3rd HBA(target 2) I only see 50 devices in
/procs/scsi/sg/devices. I however do see 103 devices in each of my
/proc/scsi/qla2200/# files so I know it is not a zoning issue. I have
set max_scsi_luns=512 but I thought that was a per target limit and was
256 by default. Any input would be appreciated. Thanks
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| Ken Schroeder |
| Enterprise Hosting SysAdmin |
| Cisco Linux Developer |
| (919)392-7061 |
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