[CentOS] Multiple LUN support
John Doe
jdmls at yahoo.com
Fri Jan 7 10:51:59 UTC 2011
From: Abilio Carvalho <abilio.carvalho at bbp.ch>
> I have Centos 5.2 and am trying to set up my first tape loader, a
> Quantum SuperLoader 3. My "cat /proc/scsi/scsi" outputs the following:
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: transtec Model: PV610F16R1C Rev: 373I
> Type: Direct-Access ANSI SCSI revision: 05
> Host: scsi1 Channel: 00 Id: 01 Lun: 00
> Vendor: HP Model: Ultrium 3-SCSI Rev: D22D
> Type: Sequential-Access ANSI SCSI revision: 03
> Host: scsi1 Channel: 00 Id: 05 Lun: 00
> Vendor: HP Model: Ultrium 4-SCSI Rev: B54Z
> Type: Sequential-Access ANSI SCSI revision: 05
> It is my understanding that there should be TWO devices for the loader,
> one for the tape drive and one for itself. From reading around, it seems
> that it's lacking Multiple LUM support. My question is, are more recent
> versions of CentOS enabling that by default? Either compiling kernel
> modules or doing a full upgrade of the system are "big" jobs in my case,
> but I'd prefer the upgrade if 5.5 works out of the box. Or do I really
> need to recompile kernel, enable max_lums in modprobe.conf, etc?
Hum... Last time I used an autoloader, around 1999, it was working out of the
box...
I see 3 devices: the loader, and 2 drives...
Do you mean there is really only 1 drive?
JD
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