From: Dave Gagliardi (dgagliardi@zonecms.net)
Date: Tue Sep 23 2003 - 12:51:44 EDT
> Hello all.
>
> I'm having a problem connecting a promise ultratrak rm15000 to an E-250's
> onboard scsi.
>
> The ultratrak is configured as such:
> 15 250G ide drives configured as 5 raid0 devices, each device consists of
> 3 ide drives.
>
> The ultratrak does "some magic" to expose the devices as 5 (quite large)
> scsi disks.
>
> When I run the format command, and select one of the drives, it tells me
> it doesn't know what it is. So I did a lot of searching and found the
> scsiinfo program to see if it would aid in helping figure out what the
> geometry of the exposed devices looks like.
>
> Here is some selected output of 'scsiinfo -r all' :
>
> glm4: sda,0 tgt 10 lun 0:
> Asynchronous Clean TaggedQueuing Narrow
> Vendor: Promise
> Model: 3 Disk RAID0
> Revision: 1.10
> Serial: 98031612
> Device Type: Disk
> Data Transfer Width(s): 16, 8
> Supported Features: REL_ADDR SYNC_SCSI LINK_CMD TAG_QUEUE
> SOFT_RESET
> Formatted Capacity: 1464843648 sectors (732.4 GB)
> Sector size: 512 bytes
> Physical Cylinders: 0
> Heads: 2147468072
> Sectors per track (Avg.): 7800
> Tracks per zone: 19
> Alternate Sectors per zone: 12
> Alternate Tracks per volume: 19
> Rotational speed: NA
> Cache: Unknown
> ----------------------------
>
> Damn good program so far, it knows how big the stripe I set up is.
>
> I then decided to let if "roll" a format .dat entry for me, here it is:
>
> disk_type = "Promise 3 Disk RAID0" \
> : ctlr = SCSI : fmt_time = 1465 \
> : trks_zone = 19 : atrks = 19 : asect = 12 \
> : ncyl = -2 : acyl = 2 : pcyl = 0 : nhead = 2147468040 : nsect =
> 7800 \
> : rpm = 3600 : bpt = 4586400
>
> partition = "Promise 3 Disk RAID0" \
> : disk = "Promise 3 Disk RAID0" : ctlr = SCSI \
> : 2 = 0, 243484800
>
> I appended the necessary lines to the end of my /etc/format.dat file, and
> things were looking pretty good, until I ran the format command again.
>
> 3. c4t10d0 <drive type unknown>
> /pci@1f,4000/scsi@3,1/sd@a,0
>
> I selected the third disk and got the "Available Drive Types" screen:
>
> 18. Promise 3 Disk RAID0
>
> I selected 18, then selected 'p' to get to the partition screen, and hit
> 'p' to print out the partition:
>
> partition> p
> Current partition table (Promise 3 Disk RAID0):
> Total disk cylinders available: -2 + 2 (reserved cylinders)
>
> Part Tag Flag Cylinders Size Blocks
> 0 root wm 0 0 (0/0/0) 0
> 1 swap wu 0 0 (0/0/0) 0
> 2 backup wu 0 - -3 116.10GB (-2/0/0) 243484800
> 3 unassigned wm 0 0 (0/0/0) 0
> 4 unassigned wm 0 0 (0/0/0) 0
> 5 unassigned wm 0 0 (0/0/0) 0
> 6 usr wm 0 0 (0/0/0) 0
> 7 unassigned wm 0 0 (0/0/0) 0
>
> partition>
>
> This is where it's all bad. How the heck am I supposed to work with
> negative 3 cylinders??? And format is reporting 116.10GB? My BEST guess is
> that the format command, or solaris just doesn't like this (great guess,
> huh?). My knowledge ends there.
>
> I could really use some tips, pointers, help, etc...
>
> David Gagliardi
> Zone Telecom Inc.
> Woodland Falls Corporate Park
> 200 Lake Drive East, Suite 200
> Cherry Hill, NJ 08002
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