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тАО02-20-2008 11:34 AM
тАО02-20-2008 11:34 AM
luns on FC60
Hi Gurus,
I have created a Lun in an FC60 which is showing the lun id as 1.But I already have a lun1. Now the issue is that the lunid's are conflicting as they have two lun's with the same id.
So I would like to delete one lun without affecting the other.
If I isseu the command amcfg -D I do not want both the luns to get deleted.
Is there a way I can do it
thank you
I have created a Lun in an FC60 which is showing the lun id as 1.But I already have a lun1. Now the issue is that the lunid's are conflicting as they have two lun's with the same id.
So I would like to delete one lun without affecting the other.
If I isseu the command amcfg -D
Is there a way I can do it
thank you
3 REPLIES 3
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тАО02-21-2008 02:36 AM
тАО02-21-2008 02:36 AM
Re: luns on FC60
Hi,
Could you post the amdsp -a
Cheers
Could you post the amdsp -a
Cheers
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тАО02-22-2008 11:37 AM
тАО02-22-2008 11:37 AM
Re: luns on FC60
Attached is the output of the ├в amdsp ├в a├в with controller and LUN information you require. You can see from the file that we have a curious problem.
Firstly you will notice that the array reports the overall status as ├в READY├в , however if you look at the list of available LUNS all are marked as optimal but the disks associated with LUN5 can├в t be identified
-----------------------------------------
LUN Status Capacity Ctrl RAID Segment Disks
--- ----------------- --------- ---- ---- ------- -----
0 OPTIMAL 101.5 GB B 5 16 1:0
2:0
3:0
4:0
5:0
1:9
2:1
1 OPTIMAL 16.9 GB B 1 4 1:8
2:8
2 OPTIMAL 16.9 GB B 1 4 3:8
4:8
3 OPTIMAL 16.9 GB B 1 16 3:1
4:1
4 OPTIMAL 33.8 GB B 1 16 2:9
3:9
4:9
5:9
5 OPTIMAL 16.9 GB B 1 16 Can't identify
6 OPTIMAL 68.3 GB B 1 16 1:1
5:1
31 UTM:GOOD
When you then examine the disk output (amdsp ├в d - below) you will notice that the disks 5:1 and 1:1 indicate they are 17GB in size however in the above output the array says these disks are LUN 6 with a size of 68GB, in fact they are in LUN5. LUN5 is actually in use with disk 1:1 and 5:1 we know this because when we created this LUN with those disks first, we then later added in LUN 6 using the disks 2:2 and 5:2 (68GB), although LUN 6 size is correct it seems to think the disks in slot 5:1 and 1:1 are associated with this LUN (when they are not).
SCSI Channel:ID = 5:1
Enclosure = 4
Slot (0-based) = 2
Disk State = OPTIMAL
Disk Group and Type = 093C48001047A0989A LUN
Capacity = 17.0 GB
Manufacturer and Model = SEAGATE ST318404LC
Serial Number = 3BT1ZC81
Firmware Revision = HP04
SCSI Channel:ID = 1:1
Enclosure = 0
Slot (0-based) = 2
Disk State = OPTIMAL
Disk Group and Type = 093C48001047A0989A LUN
Capacity = 17.0 GB
Manufacturer and Model = SEAGATE ST318404LC
Serial Number = 3BT1Y3Z5
Firmware Revision = HP04
Now if you look at the disk groups (amdsp ├в g) you will see that 2 of the groups (LUN 5 and 6) share the same LUN id (bad).
Disk Group 093C48001047A0989A:
Disk Group Type = LUN
Number of LUNs = 1
LUN(s) = 6
Remaining Capacity = 0.0 MB
RAID Level = 1
Segment Size = 16 KB
Disks:
1:1 5:1
Disk Group 093C48001247A9ADD4:
Disk Group Type = LUN
Number of LUNs = 1
LUN(s) = 6
Remaining Capacity = 0.0 MB
RAID Level = 1
Segment Size = 0 KB
Disks:
2:2 5:2
One of the LUNS has data on it and therefore we can├в t take the risk of simply deleting the LUN with no data on it as it seems to be associated (linked) with the LUN that has data. It seems to be that there is some corruption in the array.
Firstly you will notice that the array reports the overall status as ├в READY├в , however if you look at the list of available LUNS all are marked as optimal but the disks associated with LUN5 can├в t be identified
-----------------------------------------
LUN Status Capacity Ctrl RAID Segment Disks
--- ----------------- --------- ---- ---- ------- -----
0 OPTIMAL 101.5 GB B 5 16 1:0
2:0
3:0
4:0
5:0
1:9
2:1
1 OPTIMAL 16.9 GB B 1 4 1:8
2:8
2 OPTIMAL 16.9 GB B 1 4 3:8
4:8
3 OPTIMAL 16.9 GB B 1 16 3:1
4:1
4 OPTIMAL 33.8 GB B 1 16 2:9
3:9
4:9
5:9
5 OPTIMAL 16.9 GB B 1 16 Can't identify
6 OPTIMAL 68.3 GB B 1 16 1:1
5:1
31 UTM:GOOD
When you then examine the disk output (amdsp ├в d - below) you will notice that the disks 5:1 and 1:1 indicate they are 17GB in size however in the above output the array says these disks are LUN 6 with a size of 68GB, in fact they are in LUN5. LUN5 is actually in use with disk 1:1 and 5:1 we know this because when we created this LUN with those disks first, we then later added in LUN 6 using the disks 2:2 and 5:2 (68GB), although LUN 6 size is correct it seems to think the disks in slot 5:1 and 1:1 are associated with this LUN (when they are not).
SCSI Channel:ID = 5:1
Enclosure = 4
Slot (0-based) = 2
Disk State = OPTIMAL
Disk Group and Type = 093C48001047A0989A LUN
Capacity = 17.0 GB
Manufacturer and Model = SEAGATE ST318404LC
Serial Number = 3BT1ZC81
Firmware Revision = HP04
SCSI Channel:ID = 1:1
Enclosure = 0
Slot (0-based) = 2
Disk State = OPTIMAL
Disk Group and Type = 093C48001047A0989A LUN
Capacity = 17.0 GB
Manufacturer and Model = SEAGATE ST318404LC
Serial Number = 3BT1Y3Z5
Firmware Revision = HP04
Now if you look at the disk groups (amdsp ├в g) you will see that 2 of the groups (LUN 5 and 6) share the same LUN id (bad).
Disk Group 093C48001047A0989A:
Disk Group Type = LUN
Number of LUNs = 1
LUN(s) = 6
Remaining Capacity = 0.0 MB
RAID Level = 1
Segment Size = 16 KB
Disks:
1:1 5:1
Disk Group 093C48001247A9ADD4:
Disk Group Type = LUN
Number of LUNs = 1
LUN(s) = 6
Remaining Capacity = 0.0 MB
RAID Level = 1
Segment Size = 0 KB
Disks:
2:2 5:2
One of the LUNS has data on it and therefore we can├в t take the risk of simply deleting the LUN with no data on it as it seems to be associated (linked) with the LUN that has data. It seems to be that there is some corruption in the array.
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тАО02-29-2008 04:21 PM
тАО02-29-2008 04:21 PM
Re: luns on FC60
thank you... issue4 was with lun 0
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