Re: SCSI and SAN

2007-10-06 Thread Sharad Chandra
Can't we differentiate relating to some parameter? What about transfer rate camcontrol inquiry da0. on SCSI its 320MB/Sec and on san its 200MB/Sec any other parameter? Thanks in advance Sharad Chandra On Friday 05 October 2007 7:46 pm, Achim Patzner wrote: Am 05.10.2007 um 13:16 schrieb

Re: SCSI and SAN

2007-10-05 Thread Tom Evans
On Fri, 2007-10-05 at 12:43 +0100, Tom Evans wrote: Excuse the formatting, my keyboard went nuts and decided I was done editing :o In addition to the example I showed, I was just going to say that the purpose of glabel is to stop referring to /dev/da[0-9]* and instead be able to refer to

Re: SCSI and SAN

2007-10-05 Thread Eric Anderson
0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN. Then we need a tool that can tell this da0 belongs to SAN/SCSI or not Notice the -v to camcontrol. It will tell you which controller the device belongs to, and the controller will help you determine

Re: SCSI and SAN

2007-10-05 Thread Sharad Chandra
348C              at scbus0 target 0 lun 0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN. Then we need a tool that can tell this da0 belongs to SAN/SCSI or not Thanks for any suggestion. Sharad Chandra On Thursday 04 October 2007 6:51 pm, Eric Anderson

Re: SCSI and SAN

2007-10-05 Thread Tom Evans
only 1 LUN. what should be output? guessing: similar to IFT A16F-G2422 348C at scbus0 target 0 lun 0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN. Then we need a tool that can tell this da0 belongs to SAN/SCSI or not Thanks for any

Re: SCSI and SAN

2007-10-05 Thread Sharad Chandra
That's very right, but it needs a manual setup. Whereas I need to work on storage disks attached to system, to accomplish that i have to write a script and know in itself whether it is attached to SAN or not. I know mainly there are sysctl kern.disks storage attached to system, nothing else.

Re: SCSI and SAN

2007-10-05 Thread Eric Anderson
should be output? guessing: similar to IFT A16F-G2422 348C at scbus0 target 0 lun 0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN. Then we need a tool that can tell this da0 belongs to SAN/SCSI or not Notice the -v to camcontrol. It will tell you

Re: SCSI and SAN

2007-10-05 Thread Sharad Chandra
. what should be output? guessing: similar to IFT A16F-G2422 348C at scbus0 target 0 lun 0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN. Then we need a tool that can tell this da0 belongs to SAN/SCSI or not Notice the -v

Re: SCSI and SAN

2007-10-05 Thread Eric Anderson
Sharad Chandra wrote: That's very right, but it needs a manual setup. Whereas I need to work on storage disks attached to system, to accomplish that i have to write a script and know in itself whether it is attached to SAN or not. I know mainly there are sysctl kern.disks storage attached to

Re: SCSI and SAN

2007-10-05 Thread Wilko Bulte
it is SAN confirmed by tool. Now my point is if i have a SAN of less than 1TB and i make only 1 LUN. what should be output? guessing: similar to IFT A16F-G2422 348C at scbus0 target 0 lun 0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN

Re: SCSI and SAN

2007-10-05 Thread Sharad Chandra
348C at scbus0 target 0 lun 0 (da0,pass0) Then it will be difficult to tell, whether it is regular SCSI drives or SAN. Then we need a tool that can tell this da0 belongs to SAN/SCSI or not Thanks Sharad Chandra On Thursday 04 October 2007 6:51 pm, Eric Anderson wrote: Sharad Chandra

Re: SCSI and SAN

2007-10-05 Thread Achim Patzner
Am 05.10.2007 um 13:16 schrieb Sharad Chandra: [EMAIL PROTECTED] ~]# camcontrol devlist IFT A16F-G2422 348C at scbus0 target 0 lun 0 (da0,pass0) IFT A16F-G2422 348C at scbus0 target 0 lun 1 (da1,pass1) IFT A16F-G2422 348C at scbus0 target 0 lun 2

SCSI and SAN

2007-10-04 Thread Sharad Chandra
Hello, How to distinguish if /dev/da* devices are internal scsi drivers or LUNs of external SAN? Is there any tool? Thanks for any advice. Sharad Chandra ___ freebsd-hackers@freebsd.org mailing list

Re: SCSI and SAN

2007-10-04 Thread Eric Anderson
Sharad Chandra wrote: Hello, How to distinguish if /dev/da* devices are internal scsi drivers or LUNs of external SAN? camcontrol devlist -v Might help you.. Eric ___ freebsd-hackers@freebsd.org mailing list

Re: SCSI and SAN

2007-10-04 Thread Wilko Bulte
Quoting Sharad Chandra, who wrote on Thu, Oct 04, 2007 at 05:25:00PM +0530 .. Hello, How to distinguish if /dev/da* devices are internal scsi drivers or LUNs of external SAN? Is there any tool? /var/run/dmesg.boot I would think. And then you would need to map things manually.

Re: SCSI and SAN

2007-10-04 Thread Tom Judge
Sharad Chandra wrote: Hello, How to distinguish if /dev/da* devices are internal scsi drivers or LUNs of external SAN? Is there any tool? Thanks for any advice. Sharad Chandra ___ freebsd-hackers@freebsd.org mailing list