On 6/17/2011 12:55 AM, Lanky Doodle wrote:
Thanks Richard.
How does ZFS enumerate the disks? In terms of listing them does it do them
logically, i.e;
controller #1 (motherboard)
|
|--- disk1
|--- disk2
controller #3
|--- disk3
|--- disk4
|--- disk5
|--- disk6
|--- disk7
|--- disk8
|--- disk9
|--- disk10
controller #4
|--- disk11
|--- disk12
|--- disk13
|--- disk14
|--- disk15
|--- disk16
|--- disk17
|--- disk18
or is it completely random leaving me with some trial and error to work out
what disk is on what port?
This is not a ZFS issue, this is the Solaris device driver issue.
Solaris uses a location-based disk naming scheme, NOT the
BSD/Linux-style of simply incrementing the disk numbers. I.e. drives are
usually named something like c<controller>t<target>d<disk>
In most cases, the on-board controllers receive a lower controller
number than any add-in adapters, and add-in adapters are enumerated in
PCI ID order. However, there is no good explanation of exactly *what*
number a given controller may be assigned.
After receiving a controller number, disks are enumerated in ascending
order by ATA ID, SCSI ID, SAS WWN, or FC WWN.
The naming rules can get a bit complex.
--
Erik Trimble
Java Platform Group Infrastructure
Mailstop: usca22-317
Phone: x17195
Santa Clara, CA
Timezone: US/Pacific (UTC-0800)
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