search for: ds4xxx

...TB. Most of the SAS devices I've seen go up to 2 TB. Looking at the IBM System Storage devices, for example, they offer 12 TB and up. I'm not sure of the budget, so I'll discount cost for now. How good are IBM's rack RAID devices? I'm just looking at their System Storage DS4xxx line. How about EMC? Network Appliance? Clariion? Quality of unit, reliability of unit andservice and support, overall cost of ownership? Expandability? Thanks for any and all insights. Scott

Hi, I got few servers (IBM HS20,HS21 blades, IBM xSeries 3650 & others) connected to a dual fabric san throught Qlogic HBA's (23xx, 24xx). Multipathing is done with device-mapper-multipath. On CentOS 4.x i can scan for new scsi devices without any problems, get them up with multipathing & use them without any problems. However, after i started installing CentOS 5.1 (did not