From: Johan K. <joh...@ca...> - 2005-11-09 10:02:25
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Hi! I=B4m new to this list, but known by some of you from iet list. First = I=20 want to thank Vlad for his efforts, this is a nice piece of software, = and=20 we hope that we will be able to contribute to the developement of it. = We=20 are going to use scst in a bigger project, that involves iet, evms, and=20 some other software. We have a professional storage setup, with many=20 oportunities. At the moment, we have setup like this: First a workbench = as=20 a host, running Win2k, with a QLA 2202 HBA connected to a SANbox = switch.=20 The switch is connected to QLA 2200 target HBA on Storior, our = experimental=20 storage appliance, which runs Lineox Enterprise Linux 4.0(a Red Hat = clone),=20 kernel 2.6.14. Storior is then connected through an LSI 7202 initiator = HBA=20 to another SANbox switch, and that switch is finally connected to an IBM = Fc=20 ProFibre 1100J JBOD storage array, with 5 st318452fc seagate fc drives.=20 Through scst we exported two drives ask disk devices, and they showed = up=20 nicely in the workbench HBA bios setup list of devices. When we went in = to=20 the HBA setup, we where able to verify data and media. It was also=20 functioning very well to make volumes and format them in windows, and = after=20 that to move data around. No problems with some quick tests. But when = we=20 tried to low level format, through the workbench HBA setup tool, we got=20 scsi command errors, like: scsi operation code: 04 scsi sense key: 06 scsi additional sense code: 29 scsi additional sense code qualifier: 00 After this, the drives were corrupt, and it was impossible to access = them=20 from the workbench, and all the way to the LSI 7202 HBA on Storior. In = the=20 Storior LSI 7202 HBA setup tool, you could not access the drives with = the=20 verifying tool, so you have to low level format them, which went = allright.=20 Now the drives are functional again. Of coarse we want to know what was happening here. A theory might be = that=20 the QLA HBA didn=B4t work very nice together with the LSI HBA, when it = sended=20 the low level format command. JK |