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01-25-2012 08:09 AM
01-25-2012 08:09 AM
Re: MSA Storage Disks Upgrade
Should be plain disks. See the output below:
#vxiod
0 volume I/O daemons running
Is there any other way to confirm this?
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01-25-2012 08:44 AM
01-25-2012 08:44 AM
Re: MSA Storage Disks Upgrade
The disk is obviously not under LVM or VxVM control.
So probably it is a raw volume for the database.
I have no clue if the database can handle a "growing" disk, if we just make the logical drive "bigger".
Can you ask the database folks how the drive is used?
Hope this helps!
Regards
Torsten.
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01-25-2012 09:18 AM
01-25-2012 09:18 AM
Re: MSA Storage Disks Upgrade
Growing the existing volume would have been the best option. However there is a risk. The client does not have a backup of the data on the server....faulty backup device...complicated.
Here is what I suggest; to create a new logical volume from the new drives and mount them seperately. This way the client can move anything accupying the current volume that is not critical eg. logs to the new volume thus freeing space on the current volume.
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01-25-2012 09:23 AM
01-25-2012 09:23 AM
Re: MSA Storage Disks Upgrade
In future, (when backups exist ) should I want to undo the configuration I suggested, I will need to delete that volume and expand the existing volume, right?
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01-25-2012 10:50 AM
01-25-2012 10:50 AM
Re: MSA Storage Disks Upgrade
Sounds good.
Hope this helps!
Regards
Torsten.
__________________________________________________
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02-15-2012 03:37 PM
02-15-2012 03:37 PM
Re: MSA Storage Disks Upgrade
Hi Torsten,
The decision was finally made :-)
The two new disks will build their own logical drive and mount it seperately instead of expanding the existing one. So here is my action plan:
1. Run command to assign both unassigned drives using raid 1+0 and a stripe size of 16kb.
External 1 5 36.4 GB UNASSIGNED
External 2 5 36.4 GB UNASSIGNED
# saconfig /dev/ciss4 -R 1+0 -S 16 -p 1:5 -p 2:5
2. Scan the new volume under UX, create and mount it. Is this good?
Regards,
Rianui
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02-15-2012 10:47 PM
02-15-2012 10:47 PM
Re: MSA Storage Disks Upgrade
Sounds good.
Once the logical drive is created, do an ioscan, then create the VG and the LVOL(s).
Hope this helps!
Regards
Torsten.
__________________________________________________
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02-16-2012 05:16 AM
02-16-2012 05:16 AM
Re: MSA Storage Disks Upgrade
Hi Torsten,
It is done! You are just the best and I want to say THANK YOU! This was a first for me....different from the EVAs I'm used to. Thank you, thank you, thank you for your invaluable support. See the end result below.
# saconfig /dev/ciss4 -R 1+0 -S 16 -p 1:5 -p 2:5
CISS: RAID SA controller on hardware path 0/4/1/0/4/0 has detected a logical
drive status change:
Logical drive 1 transitioned from NOT CONFIGURED to OK
Drive type: RAID 1+0 - Disk Mirroring
# Logical drive 1 created
# saconfig /dev/ciss4
---------- PHYSICAL DRIVES ----------
Location Ch ID Size Status
External 1 0 36.4 GB OK
External 1 1 36.4 GB OK
External 1 2 36.4 GB OK
External 1 3 36.4 GB OK
External 1 4 36.4 GB OK
External 1 5 36.4 GB OK
External 2 0 36.4 GB OK
External 2 1 36.4 GB OK
External 2 2 36.4 GB OK
External 2 3 36.4 GB OK
External 2 4 36.4 GB OK
External 2 5 36.4 GB OK
# bdf
/dev/vg01/lvbackup 34816000 3336 34540704 0% /mnt/dsk2
Best Regards,
Rianui
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02-16-2012 05:35 AM
02-16-2012 05:35 AM
Re: MSA Storage Disks Upgrade
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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