Re: [libvirt] [RFC 5/5]: Rewrite findLuns function
Stefan de Konink schreef:
Chris Lalancette schreef:
> Stefan de Konink wrote:
>>>> Who told you/anyone who wrote this code before that the 0th lun
>>>> cannot be a real entry? This assumption is wrong.
>>> Well, that particular piece of code isn't looking at the 0'th LUN,
>>> but there is
>>> code below that that is. However, the code here is generally
>>> looking for block
>>> devices, and the 0'th LUN is definitely not a block device. Given
>>> that, I'm not
>>> sure what else you would want to do with 0th LUN; can you give me
>>> some examples?
>> The 0th LUN can be a perfect block device.
>
> OK, cool, I misunderstood. Given that, can you give me the output of:
>
> # ls -l /sys/bus/scsi/devices/3:0:0:0
>
> Just to make sure I get the right thing?
skinkie@xen01 ~ $ ls -l
/sys/devices/platform/host3/session3/target3:0:0/3:0:0:0
total 0
lrwxrwxrwx 1 root root 0 May 24 16:38 block:sdar ->
../../../../../../block/sdar
--w------- 1 root root 4096 Jun 12 16:34 delete
-r--r--r-- 1 root root 4096 Jun 12 16:34 device_blocked
lrwxrwxrwx 1 root root 0 May 24 16:38 driver ->
../../../../../../bus/scsi/drivers/sd
lrwxrwxrwx 1 root root 0 Jun 12 16:34 generic ->
../../../../../../class/scsi_generic/sg44
-r--r--r-- 1 root root 4096 Jun 12 16:34 iocounterbits
-r--r--r-- 1 root root 4096 Jun 12 16:34 iodone_cnt
-r--r--r-- 1 root root 4096 Jun 12 16:34 ioerr_cnt
-r--r--r-- 1 root root 4096 Jun 12 16:34 iorequest_cnt
-r--r--r-- 1 root root 4096 May 24 16:38 model
-rw-r--r-- 1 root root 4096 Jun 12 16:34 queue_depth
-r--r--r-- 1 root root 4096 Jun 12 16:34 queue_type
--w------- 1 root root 4096 Jun 12 16:34 rescan
-r--r--r-- 1 root root 4096 Jun 12 16:34 rev
-r--r--r-- 1 root root 4096 Jun 12 16:34 scsi_level
-rw-r--r-- 1 root root 4096 May 26 11:28 state
lrwxrwxrwx 1 root root 0 May 24 16:38 subsystem ->
../../../../../../bus/scsi
-rw-r--r-- 1 root root 4096 Jun 12 16:34 timeout
-r--r--r-- 1 root root 4096 May 24 16:38 type
--w------- 1 root root 4096 Jun 12 16:34 uevent
-r--r--r-- 1 root root 4096 May 24 16:38 vendor
-l was important ;)
Stefan