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Operating Systems Solaris SPARC T4-1/Solaris 11/Add 2 new HDDs in RAID 0 configuration Post 302698957 by julumme on Monday 10th of September 2012 10:42:40 PM
Old 09-11-2012
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Hi again,

So I inserted the disks to the machine, to next available slot in the each controller (HDD1 and HDD5).

Now, when booting, there is a complaint about "Corrupt label/wrong magic number", about both new disks, but apparently that's normal when disks have no labels..
So moving forward. I check with format, what it shows:

Code:
$ sudo format
Password:
Searching for disks...done

c0t5000CCA025A297C4d0: configured with capacity of 279.38GB
c0t5000CCA025A329E0d0: configured with capacity of 279.38GB


AVAILABLE DISK SELECTIONS:
       0. c0t5000CCA0259D2B78d0 <SUN300G cyl 46873 alt 2 hd 20 sec 625>  solaris
          /scsi_vhci/disk@g5000cca0259d2b78
          /dev/chassis//SYS/HDD0/disk
       1. c0t5000CCA025A297C4d0 <HITACHI-H106030SDSUN300G-A2B0 cyl 46873 alt 2 hd 20 sec 625>
          /scsi_vhci/disk@g5000cca025a297c4
          /dev/chassis//SYS/HDD1/disk
       2. c0t5000CCA0259C678Cd0 <SUN300G cyl 46873 alt 2 hd 20 sec 625>  solaris
          /scsi_vhci/disk@g5000cca0259c678c
          /dev/chassis//SYS/HDD4/disk
       3. c0t5000CCA025A329E0d0 <HITACHI-H106030SDSUN300G-A2B0 cyl 46873 alt 2 hd 20 sec 625>
          /scsi_vhci/disk@g5000cca025a329e0
          /dev/chassis//SYS/HDD5/disk

Seems all good here, so as per instructions (also found this: blog post), I see if I can create a zpool with the new drives (c0t5000CCA025A297C4d0 and c0t5000CCA025A329E0d0)

Code:
$ zpool create workarea c0t5000CCA025A297C4d0 c0t5000CCA025A329E0d0
cannot open 'c0t5000CCA025A297C4d0': no such device in /dev/dsk
must be a full path or shorthand device name

So, I go to the /dev/dsk to see what's going on. I check what the book disk (c0t5000CCA0259D2B78d0) looks like:

Code:
/dev/dsk$ ls -la | grep c0t5000CCA0259D2B78d0
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s0 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:a
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s1 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:b
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s2 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:c
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s3 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:d
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s4 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:e
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s5 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:f
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s6 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:g
lrwxrwxrwx   1 root     root          48 Aug  4 09:40 c0t5000CCA0259D2B78d0s7 -> ../../devices/scsi_vhci/disk@g5000cca0259d2b78:h

What does those letters from a-h mean in the scsi part ? They seem to correspond to those last 2 digits sX (1-7)..
So, when creating the zpool, looks like I need to assign the drive with one of those sX numbers as well.. Can I just start from 0 ?
What are they for ?

Thanks again for your help!

---------- Post updated at 11:42 AM ---------- Previous update was at 10:50 AM ----------

D'oh, of course you have to be root to do that, so just "sudo" in front of the zpool command, and everything will go as in the movies Smilie

Last edited by julumme; 09-10-2012 at 11:52 PM.. Reason: adding a link to a blog post
 

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