Re: SCSI disk naming problem

1999-10-03 Thread Justin T. Gibbs
In article [EMAIL PROTECTED] you wrote: Current FreeBSD SCSi disk naming mechanism is problem for using more than one disks in the chain during the disk failure. The problem is that the name is not fixed with is SCSI ID. e.g., if one disk is presented in the chain, regardless its SCSI ID,

Re: SCSI disk naming problem

1999-10-03 Thread Mike Smith
Is there problem with fixed disk naming mechanism? 'Path based names' do not deal with systems that have multiple paths to the same device. For example, if I have two host adapters talking on the same bus for redundancy, which name to I give to the devices on the bus? That depends on

Re: SCSI disk naming problem

1999-10-02 Thread Narvi
On Fri, 1 Oct 1999 [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: [snip] That's an interesting argument on the part of a few people. The commercial UNIX I first adminned had wired down, short names for disks (rz0, rz1, rz2, ... ). This was very nice. This one does not

Re: SCSI disk naming problem

1999-10-02 Thread Narvi
On Fri, 1 Oct 1999, Bruce A. Mah wrote: If memory serves me right, [EMAIL PROTECTED] wrote: This one does not resolve the controller problem either as [EMAIL PROTECTED] said. So, I guess dac0t0, dac0t1, ... dac3t4, will be good enough if we want to be short, but anything shorter

Re: SCSI disk naming problem

1999-10-02 Thread Bernd Walter
On Sat, Oct 02, 1999 at 01:15:53PM +0300, Narvi wrote: On Fri, 1 Oct 1999 [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: [snip] That's an interesting argument on the part of a few people. The commercial UNIX I first adminned had wired down, short names for disks (rz0,

Re: SCSI disk naming problem

1999-10-01 Thread jin
See LINT on details of how to wire down scsi devices... Your proposal doesn't take adding a second scsi card into account. Well, I did not mean that has to be da0, da1, etc., but similar thing like dac0t0d0, dac0t1d0, ... dac3t4d0, etc. which is much clear what disk is. A few people does not

Re: SCSI disk naming problem

1999-10-01 Thread Narvi
See LINT on details of how to wire down scsi devices... Your proposal doesn't take adding a second scsi card into account. On Fri, 1 Oct 1999 [EMAIL PROTECTED] wrote: Current FreeBSD SCSi disk naming mechanism is problem for using more than one disks in the chain during the disk failure.

Re: SCSI disk naming problem

1999-10-01 Thread Alfred Perlstein
On Fri, 1 Oct 1999 [EMAIL PROTECTED] wrote: Current FreeBSD SCSi disk naming mechanism is problem for using more than one disks in the chain during the disk failure. The problem is that the name is not fixed with is SCSI ID. e.g., if one disk is presented in the chain, regardless its SCSI

Re: SCSI disk naming problem

1999-10-01 Thread jin
[EMAIL PROTECTED] wrote: If memory serves me right, [EMAIL PROTECTED] wrote: See LINT on details of how to wire down scsi devices... Your proposal doesn't take adding a second scsi card into account. Well, I did not mean that has to be da0, da1, etc., but similar thing like

Re: SCSI disk naming problem

1999-10-01 Thread Kenneth D. Merry
[EMAIL PROTECTED] wrote... On Fri, 1 Oct 1999 [EMAIL PROTECTED] wrote: Current FreeBSD SCSi disk naming mechanism is problem for using more than one disks in the chain during the disk failure. The problem is that the name is not fixed with is SCSI ID. e.g., if one disk is

Re: SCSI disk naming problem

1999-10-01 Thread Bruce A. Mah
If memory serves me right, [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: } Well...I personally prefer the short names. On systems with multiple } controllers, the commercial UNIX I used (Ultrix) just continued its } numbering with rz0, rz1, rz2, ..., rz6, rz7, rz8, ... FreeBSD lets

Re: SCSI disk naming problem

1999-10-01 Thread jin
[EMAIL PROTECTED] wrote: } That's an interesting argument on the part of a few people. The } commercial UNIX I first adminned had wired down, short names for disks } (rz0, rz1, rz2, ... ). This was very nice. } } This one does not resolve the controller problem either as } [EMAIL

Re: SCSI disk naming problem

1999-10-01 Thread Sergey Babkin
Narvi wrote: See LINT on details of how to wire down scsi devices... Your proposal doesn't take adding a second scsi card into account. UnixWare has a kind od solution for this: when they create the VTOC table (an analog of the BSD disk label) on the disk they have a field in it that