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How to enable "Probe all LUNs on each SCSI device" in kernel
Posted: Sun Jun 15, 2014 4:20 am
by delphys
Hello;
Am thinking of getting a cheap 4-bay external raid box with one external interface.. Mediasonic HFR2-SU3S2FW
intending to use as JBOD only..
How do I know the option "Probe all LUNs on each SCSI device" is enabled in Kernel ..
If not, how can I enable it ??
Am runninng HornyHorse-amd64 ..
Thank you
Re: How to enable "Probe all LUNs on each SCSI device" in ke
Posted: Sun Jun 15, 2014 4:43 am
by machinebacon
Hello. Good question, because we can use this method to find other modules, too.
Code: Select all
ls /lib/modules/3.*/kernel/drivers/scsi/scsi_mod.k
This is the module, so it was actually gegerated when building the kernel. If it is loaded,
can show you.
*If* it would not be enabled and built, you would have to compile a kernel by yourself (which is not hard, but takes some time to finish).
http://www.linuxbbq.org/bbs/viewtopic.p ... nfig#p4533 has some good hints
Re: How to enable "Probe all LUNs on each SCSI device" in ke
Posted: Sun Jun 15, 2014 1:59 pm
by delphys
Thank you Bacon:
So when I ran the commands:
Code: Select all
[bbq@gilgamesh:~ ] sudo ls /lib/modules/3.*/kernel/drivers/scsi/scsi_mod.k
ls: cannot access /lib/modules/3.*/kernel/drivers/scsi/scsi_mod.k: No such file or directory
[bbq@gilgamesh:~ ] sudo lsmod|grep scsi_mod
scsi_mod 182938 7 scsi_transport_sas,usb_storage,libata,mptsas,sd_mod,sr_mod,mptscsih
[bbq@gilgamesh:~ ] sudo lsmod|grep -i scsi
scsi_transport_sas 33531 1 mptsas
mptscsih 26657 1 mptsas
mptbase 68946 2 mptsas,mptscsih
scsi_mod 182938 7 scsi_transport_sas,usb_storage,libata,mptsas,sd_mod,sr_mod,mptscsih
Not sure what I am looking at though..
Thnx again
Not sure
Re: How to enable "Probe all LUNs on each SCSI device" in ke
Posted: Sun Jun 15, 2014 2:13 pm
by machinebacon
^ The kernel module is loaded, you can see that scsi_mod has bound a few things. You can fap in joy :)
(Of course "find /lib/modules/*|grep scsi_mod" would be possible, too, to show that the .ko is actually existing)
Re: How to enable "Probe all LUNs on each SCSI device" in ke
Posted: Sun Jun 15, 2014 6:12 pm
by delphys
Yes found the module at:
/lib/modules/3.13-trunk-amd64/kernel/drivers/scsi/scsi_mod.ko
Thnx Bacon