Messages in this thread |  | | Date | Fri, 14 Jun 1996 01:05:43 +0200 | From | "Dr. Werner Fink" <> | Subject | Re: Ideas for v2.1 |
| |
> Date: 13 Jun 1996 12:28:20 +0200 > From: barnard@forge.franken.de (Henning Schmiedehausen) > > duprec@jsp.umontreal.ca (DUPRE Christophe) writes: > > >Not really a good idea : Let's say you have IDE and SCSI disks: > >/dev/hda, /dev/hdb, /dev/sda and /dev/sdb > > >With your system, you'd have: > >/dev/hda -> /dev/diska > >/dev/hdb -> /dev/diskb > >/dev/sda -> /dev/diskc > >/dev/sdb -> /dev/diskd > > >Now one IDE disk is crashed and you remove it. Thus /dev/hdb no longer > >exists, and you get this mapping: > >/dev/hda -> /dev/diska > >/dev/sda -> /dev/diskb > >/dev/sdc -> /dev/diskc > > So, lets see, how it is currently: > > I have > > /dev/hda -> IDE > /dev/sda -> SCSI ID0 > /dev/sdb -> SCSI ID3 > /dev/sdc -> SCSI ID4 > /dev/sdd -> SCSI ID5 > > Now I remove SCSI ID3. 'drive does not spin underwater error' > > /dev/sda -> SCSI ID0 > /dev/sdb -> SCSI ID4 > /dev/sdc -> SCSI ID5 > > :-( > > Not too different from the scheme you criticized above. But it is > already in there. And IMHO it sucks. :-( > > Ciao > Henning > >
Why not mapping ID<num> on /dev/sd<alph>
/dev/sda <-> SCSI-Disk ID0 /dev/sdb <-> SCSI-Disk ID1 /dev/sdc <-> SCSI-Disk ID2
No SCSI-Disk with ID1 means no /dev/sdb ... and so on
Werner
|  |