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iSCSI connection not showing volume as mapped drive on my laptop
Hi All,
I have three volumes(volSQL, volData, volLogs) that I replicated from a production SAN to a DR SAN. volSQL is essentially the C:\ drive on my SQL server. volData is the data drive and volLogs drive.
I cloned all 3 replications as volumes on the DR SAN and then made an iSCSI connection to each. Now I can see the volSQL and volDATA as mapped drives on My Computer but the volData doesn't appear. I can however see it in Disk Management(along with volData and volLogs).
Does anybody have any idea what the cause of this might be? volSQL is bootable? Could that somehow be the reason? The only other difference I noticed with it when compared with the other two was that the disk drives associated with volData and volLogs had a name assigned to them but volSQL didn't.
Any help would be appreciated.
Cheers
Paul
DELL-Joe S
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January 11th, 2013 06:00
When you try to assign a drive letter to the volSQL, what error are you getting (popup, system log, etc.)?
-joe
runnerpaul
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January 11th, 2013 06:00
I don't even have an option to assign a drive letter.
DELL-Joe S
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January 11th, 2013 07:00
Ok, since the volSQL is a system disk (boot disk) you most likely will need to change one or both (attributes disk and/or attributes volume) listed here:
technet.microsoft.com/.../cc732970(v=ws.10).aspx
For the volume, you might have to do all 4 attributes (hidden | readonly | nodefaultdriveletter | shadowcopy)
Do the detail disk and detail volume command first to see what needs to be changed.
DISKPART>list disk
DISKPART>list volume
DISKPART> select disk #
DISKPART>detail disk
DISKPART> select volume #
DISKPART> Detail volume
Diskpart is a bit confusing, so follow the instruction on the link. The link is part of the Diskpart commands that are available, to see the rest, just click the diskpart heading in the left tree structure.
-joe
runnerpaul
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January 18th, 2013 02:00
Thanks for the reply DELL-Joe S.
OK. I tried that.
What I found is as follows:
DISKPART> list disk
Disk ### Status Size Free Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 298 GB 1024 KB
Disk 1 Online 2037 GB 1024 KB
Disk 2 Online 1024 GB 2048 KB
Disk 3 Online 500 GB 7168 KB
Disk 4 Online 2037 GB 1024 KB
Disk 5 Online 1536 GB 5120 KB
The disks I am concerned with are Disk 2, Disk 3 and Disk 5
Their details are:
DISKPART> select disk 2
Disk 2 is now the selected disk.
DISKPART> detail disk
EQLOGIC 100E-00 SCSI Disk Device
Disk ID: 000EF950
Type : iSCSI
Status : Online
Path : 0
Target : 2
LUN ID : 0
Location Path : UNAVAILABLE
Current Read-only State : No
Read-only : No
Boot Disk : No
Pagefile Disk : No
Hibernation File Disk : No
Crashdump Disk : No
Clustered Disk : No
Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 7 E SQLDATA_New NTFS Partition 1024 GB Healthy
DISKPART> select disk 3
Disk 3 is now the selected disk.
DISKPART> detail disk
EQLOGIC 100E-00 SCSI Disk Device
Disk ID: 000CDF16
Type : iSCSI
Status : Online
Path : 0
Target : 1
LUN ID : 0
Location Path : UNAVAILABLE
Current Read-only State : No
Read-only : No
Boot Disk : No
Pagefile Disk : No
Hibernation File Disk : No
Crashdump Disk : No
Clustered Disk : No
Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 8 H SQLLOGS_New NTFS Partition 500 GB Healthy
DISKPART> select disk 5
Disk 5 is now the selected disk.
DISKPART> detail disk
EQLOGIC 100E-00 SCSI Disk Device
Disk ID: 0005BD7E
Type : iSCSI
Status : Online
Path : 0
Target : 3
LUN ID : 0
Location Path : UNAVAILABLE
Current Read-only State : No
Read-only : No
Boot Disk : No
Pagefile Disk : No
Hibernation File Disk : No
Crashdump Disk : No
Clustered Disk : No
There are no volumes.
For the volumes I found the following:
DISKPART> list volume
Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 I DVD-ROM 0 B No Media
Volume 1 G DVD-ROM 0 B No Media
Volume 2 F DVD-ROM 0 B No Media
Volume 3 SYSTEM NTFS Partition 100 MB Healthy System
Volume 4 C NTFS Partition 111 GB Healthy Boot
Volume 5 D NTFS Partition 164 GB Healthy
Volume 6 SAMSUNG_REC NTFS Partition 22 GB Healthy Hidden
Volume 7 E SQLDATA_New NTFS Partition 1024 GB Healthy
Volume 8 H SQLLOGS_New NTFS Partition 500 GB Healthy
Disk 5 is the one I can't see in My Computer. It appears to have the same settings as Disk 2 and Disk 3 except that it doesn't have a volume. Could this be why I can't see it?
DELL-Joe S
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January 18th, 2013 07:00
Check the following, in the EqualLogic Group manager: ensure that the clone is not set to “read only”.
Then In DiskPart
DISKPART>List disk
DISKPART>Select disk 5
DISKPART>List partition
Do you see any partitions?
Is you see the partition
DISKPART>Select partition #
DISKPART>Detail partition
You should see the volume
Once you see the volume you can assign it a drive letter
-joe