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07-28-2011 03:17 AM
07-28-2011 03:17 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Hmmm , not sure i understand whats happened - see below - I have physically installed 4 disks - 2 on each side of the MSA30 , bu it looks like nothing has changed ? :S
dubhptst: # ls -ltr /dev/rdsk/ | tail -10
total 0
crw-r--r-- 1 bin sys 188 0x000000 Jun 22 2007 c0t0d0
crw-r--r-- 1 bin sys 188 0x040000 Jul 27 2009 c4t0d0
crw-r--r-- 1 bin sys 188 0x040100 Jul 27 2009 c4t0d1
crw-r--r-- 1 bin sys 188 0x020000 Sep 14 2009 c2t0d0
crw-r--r-- 1 bin sys 188 0x021000 Sep 14 2009 c2t1d0
dubhptst: # ioscan -fnC disk
Class I H/W Path Driver S/W State H/W Type Description
==========================================================================
disk 0 0/0/3/0.0.0.0 sdisk CLAIMED DEVICE TEAC DV-28E-N
/dev/dsk/c0t0d0 /dev/rdsk/c0t0d0
disk 1 0/1/1/0.0.0 sdisk CLAIMED DEVICE HP 73.4GMBA3073NC
/dev/dsk/c2t0d0 /dev/rdsk/c2t0d0
disk 2 0/1/1/0.1.0 sdisk CLAIMED DEVICE HP 73.4GST373454LC
/dev/dsk/c2t1d0 /dev/rdsk/c2t1d0
disk 3 0/6/1/0/4/0.0.0 sdisk CLAIMED DEVICE HP LOGICAL
VOLUME
/dev/dsk/c4t0d0 /dev/rdsk/c4t0d0
disk 4 0/6/1/0/4/0.0.1 sdisk CLAIMED DEVICE HP LOGICAL
VOLUME
/dev/dsk/c4t0d1 /dev/rdsk/c4t0d1
dubhptst: # insf -eC disk
insf: Installing special files for sdisk instance 0 address 0/0/3/0.0.0.0
insf: Installing special files for sdisk instance 1 address 0/1/1/0.0.0
insf: Installing special files for sdisk instance 2 address 0/1/1/0.1.0
insf: Installing special files for sdisk instance 3 address 0/6/1/0/4/0.0.0
insf: Installing special files for sdisk instance 4 address 0/6/1/0/4/0.0.1
dubhptst: # ls -ltr /dev/rdsk/ | tail -10
total 0
crw-r----- 1 bin sys 188 0x000000 Jun 22 2007 c0t0d0
crw-r----- 1 bin sys 188 0x040000 Jul 27 2009 c4t0d0
crw-r----- 1 bin sys 188 0x040100 Jul 27 2009 c4t0d1
crw-r----- 1 bin sys 188 0x020000 Sep 14 2009 c2t0d0
crw-r----- 1 bin sys 188 0x021000 Sep 14 2009 c2t1d0
dubhptst: #
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07-28-2011 06:20 AM
07-28-2011 06:20 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Hi just an addition , I think Im learning more as I go along here , would I be right in thinking that if I have added in two disks on each side of the MSA30 Disk unit , that they would show up as 'additional space' on the devices that already exist - so in other words see below from 'SAM' extract of disk devices , the additional space would show up on vg01 and vg02 below. If this is t rue then it has not happened
0/0/3/0.0.0.0 1 Unused -- 0 DVD-ROM Drive ( ^ │
││ 0/1/1/0.0.0 1 LVM vg00 70007 HP 73.4GMBA3073 │
││ 0/1/1/0.1.0 1 LVM vg00 70007 HP 73.4GST37345 │
││ 0/6/1/0/4/0.0.0 1 LVM vg01 138920 HP LOGICAL │
││ 0/6/1/0/4/0.0.1 1 LVM vg02 138920 HP LOGICAL │
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07-30-2011 04:17 AM
07-30-2011 04:17 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
"LOGICAL VOLUME" indicates you are using a smart array controller.
Use ioscan to find the controller device, e.g.
# ioscan -fnCciss
and get the information
saconfig /dev/ciss1
the use saconfig to configure the new disks.
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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08-01-2011 07:23 AM
08-01-2011 07:23 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Hi there Torsten , ok I ran those commands , is this what I should expect to come back as the response?
the ioscan just came back to the unix prompt
dubhptst: # ioscan -fnCciss
dubhptst: # saconfig /dev/ciss1
saconfig (/dev/ciss1): Error - File open failed
saconfig (/dev/ciss1): No such file or directory, errno=2
SmartArray RAID device files (/dev/cissX) found using "/usr/sbin/ioscan -kfnd
ciss":
Class I H/W Path Driver S/W State H/W Type Description
========================================================================
ext_bus 4 0/6/1/0/4/0 ciss CLAIMED INTERFACE PCI-X SmartArray 640
2 RAID Controller
/dev/ciss4
Run "sautil run_startup_script" if you suspect that the device file is missing
or corrupted.
dubhptst: #
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08-01-2011 10:00 AM
08-01-2011 10:00 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Run
# sautil /dev/ciss4
# saconfig /dev/ciss4
and post.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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08-02-2011 10:46 AM
08-02-2011 10:46 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Hi Torsten , I attach notepad file with extracts of above
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08-02-2011 10:57 AM
08-02-2011 10:57 AM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Let's see what we have:
1 MSA30 with DB module
2 logical drives in RAID5 (138920 MB each)
6 assigned disks
4 unassigned (new) disks
Now you have several options:
extend the existing RAIDs
-> extend the existing logical drives
-> create new logical drives on the existing RAIDs
create 1 or more new RAIDs with new logical drives
What is your goal?
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
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08-02-2011 01:20 PM
08-02-2011 01:20 PM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
Ok Torsten ,
Thanks again for coming back to me
Right , Literally I just want to see more disk space on the current environment. So when I go into 'sam' I want to see the additional diskspace I have added , coming up on vg01 and vg02 and thus I can extent my filesystems as they grow in the future as we may be doing disk to disk backups , so I guess its the 'extend the existing RAIDs' option is what I want from your question below
Now you have several options:
extend the existing RAIDs
-> extend the existing logical drives
-> create new logical drives on the existing RAIDs
create 1 or more new RAIDs with new logical drives
What is your goal?
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08-02-2011 06:14 PM
08-02-2011 06:14 PM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
you will need first to check if the existing volumegroups, were you want the luns to be increased from, would be able to "accept" the increased lunsize.
I.e.
# vgdisplay /dev/vg01
# vgdisplay /dev/vg02
And its the product of "max PV per PE * PE size" , which will determine, the maximum size of any lun within that volumegroup. (and no, you dont want to play with vgmodify on hp-ux 11.11)
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08-02-2011 11:05 PM
08-02-2011 11:05 PM
Re: ADDING NEW DISK CAPACITY FROM O/S LEVEL QUERY
I would do the following:
- check with vgdisplay the maximum values for the VGs
- create a new RAID5 on the 6 new disks (see man saconfig)
- create 2 (or more) logical drives on the RAID
- add them to the existing VGs
- vgextend the VG's
- lvextend or lvcreate the LVOLs
- extend or create the file systems
- done
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!