Re: [bug #14903] /dev/i2o/hda does not have any corresponding BIOS drive.

[Peter Jones]

On Wed, 2005-11-02 at 17:57 +0000, anonymous wrote:

> If I do grub-install /dev/i2o/hda, however, I get this:
>   /dev/i2o/hda does not have any corresponding BIOS drive.
> 
> As it was able to boot with RH9, there should be something wrong... is it a
> bug or am I doing some mistake?

We have a patch for i2o, and several other drivers that present devices
with nonstandard names, in our grub package.  The patch, which is
against a somewhat heavily patched grub 0.95, is below.  YMMV.

--- grub-0.95/lib/device.c.weirdblock   2004-05-23 12:34:29.000000000 -0400
+++ grub-0.95/lib/device.c      2005-11-02 14:06:07.000000000 -0500
@@ -403,10 +403,27 @@
 }
 
 static void
+get_cciss_disk_name (char * name, int controller, int drive)
+{
+  sprintf (name, "/dev/cciss/c%dd%d", controller, drive);
+}
+
+static void
+get_cpqarray_disk_name (char * name, int controller, int drive)
+{
+  sprintf (name, "/dev/ida/c%dd%d", controller, drive);
+}
+static void
 get_ataraid_disk_name (char *name, int unit)
 {
   sprintf (name, "/dev/ataraid/d%c", unit + '0');
 }
+
+static void
+get_i2o_disk_name (char *name, int unit)
+{
+  sprintf (name, "/dev/i2o/hd%c", unit + 'a');
+}
 #endif
 
 /* Check if DEVICE can be read. If an error occurs, return zero,
@@ -779,7 +796,7 @@
     
     for (controller = 0; controller < 8; controller++)
       {
-       for (drive = 0; drive < 15; drive++)
+       for (drive = 0; drive < 32; drive++)
          {
            char name[24];
            
@@ -798,6 +815,90 @@
          }
       }
   }
+
+  /* I2O disks.  */
+  for (i = 0; i < 8; i++)
+    {
+      char name[16];
+      
+      get_i2o_disk_name (name, i);
+      if (check_device (name))
+       {
+         (*map)[num_hd + 0x80] = strdup (name);
+         assert ((*map)[num_hd + 0x80]);
+         
+         /* If the device map file is opened, write the map.  */
+         if (fp)
+           fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
+         
+         num_hd++;
+       }
+    }
+  
+#endif /* __linux__ */
+
+#ifdef __linux__
+  /* This is for cciss - we have
+     /dev/cciss/c<controller>d<logical drive>p<partition>.
+     
+     cciss driver currently supports up to 8 controllers, 16 logical
+     drives, and 7 partitions.  */
+  {
+    int controller, drive;
+    
+    for (controller = 0; controller < 8; controller++)
+      {
+       for (drive = 0; drive < 16; drive++)
+         {
+           char name[24];
+           
+           get_cciss_disk_name (name, controller, drive);
+           if (check_device (name))
+             {
+               (*map)[num_hd + 0x80] = strdup (name);
+               assert ((*map)[num_hd + 0x80]);
+               
+               /* If the device map file is opened, write the map.  */
+               if (fp)
+                 fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
+               
+               num_hd++;
+             }
+         }
+      }
+  }
+#endif /* __linux__ */
+
+#ifdef __linux__
+  /* This is for cpqarray - we have
+     /dev/ida/c<controller>d<logical drive>p<partition>.
+     
+     cpqarray driver currently supports up to 8 controllers, 16 logical
+     drives, and 15 partitions.  */
+  {
+    int controller, drive;
+    
+    for (controller = 0; controller < 8; controller++)
+      {
+       for (drive = 0; drive < 15; drive++)
+         {
+           char name[24];
+           
+           get_cpqarray_disk_name (name, controller, drive);
+           if (check_device (name))
+             {
+               (*map)[num_hd + 0x80] = strdup (name);
+               assert ((*map)[num_hd + 0x80]);
+               
+               /* If the device map file is opened, write the map.  */
+               if (fp)
+                 fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
+               
+               num_hd++;
+             }
+         }
+      }
+  }
 #endif /* __linux__ */
   
   /* OK, close the device map file if opened.  */
@@ -858,7 +959,14 @@
       if (strcmp (dev + strlen(dev) - 5, "/disc") == 0)
        strcpy (dev + strlen(dev) - 5, "/part");
     }
-  sprintf (dev + strlen(dev), "%d", ((partition >> 16) & 0xFF) + 1);
+
+  sprintf (dev + strlen(dev), "%s%d", 
+          /* Compaq smart and others */
+          (strncmp(dev, "/dev/ida/", 9) == 0 ||
+           strncmp(dev, "/dev/ataraid/", 13) == 0 ||
+           strncmp(dev, "/dev/cciss/", 11) == 0 ||
+           strncmp(dev, "/dev/rd/", 8) == 0) ? "p" : "",
+          ((partition >> 16) & 0xFF) + 1);
   
   /* Open the partition.  */
   fd = open (dev, O_RDWR);


-- 
  Peter