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From: "David C. Rankin" <drankinatty@suddenlinkmail.com>
Organization: Rankin Law Firm, PLLC
To: General Discusson about Arch Linux <arch-general@archlinux.org>
Date: Mon, 22 Jun 2009 14:18:17 -0500
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Subject: Re: [arch-general] dmraid-1.0.0rc15 in testing,
	need you help on this! (possible Bug on Delete)
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On Monday 22 June 2009 03:13:41 am Tobias Powalowski wrote:
> I need to explain this a bit more:
>
<snip>
>
> Now i cfdisk this device, are the nodes updated then?
> - I mean do i get the /dev/mapper/vidia_fffadgicp1 p2 p3 autimatically or
> do I need to run dmraid -ay for every partition i created?
> - Also what happens if partitions are deleted?
>

ADDING NEW PARTITION (PART9) - 10G IN SIZE:


                                       cfdisk (util-linux-ng 2.14.2)

                                  Disk Drive: /dev/mapper/nvidia_ecaejfdi
                                     Size: 750156372992 bytes, 750.1 GB
                           Heads: 255   Sectors per Track: 63   Cylinders: 
91201

     Name            Flags          Part Type      FS Type               
[Label]             Size (MB)
 ----------------------------------------------------------------------------------------------------------
     nvidia_ecaejfdi5Boot            Logical       Linux ext3                                 
20003.85     *
     nvidia_ecaejfdi6                Logical       Linux ext3                                   
123.38
     nvidia_ecaejfdi7                Logical       Linux ext3                                 
39999.54
     nvidia_ecaejfdi8                Logical       Linux swap / Solaris                        
1998.75
     nvidia_ecaejfdi9                Logical       Linux                                      
10001.95
                                     Pri/Log       Free Space                                
678026.29


(write & quit)

	New node NOT created:

[13:39 archangel:~] # l /dev/mapper
total 0
drwxr-xr-x  2 root root       0 2009-06-22 01:40 .
drwxr-xr-x 23 root root       0 2009-06-22 01:41 ..
crw-rw----  1 root root  10, 60 2009-06-22 01:40 control
brw-------  1 root disk 254,  0 2009-06-22 13:38 nvidia_ecaejfdi
brw-------  1 root disk 254,  2 2009-06-22 01:40 nvidia_ecaejfdip5
brw-------  1 root disk 254,  3 2009-06-22 01:40 nvidia_ecaejfdip6
brw-------  1 root disk 254,  4 2009-06-22 01:40 nvidia_ecaejfdip7
brw-------  1 root disk 254,  5 2009-06-22 01:40 nvidia_ecaejfdip8
<snip>

[13:44 archangel:~] # dmraid -ay nvidia_ecaejfdi
RAID set "nvidia_ecaejfdi" already active
RAID set "nvidia_ecaejfdip5" already active
RAID set "nvidia_ecaejfdip6" already active
RAID set "nvidia_ecaejfdip7" already active
RAID set "nvidia_ecaejfdip8" already active
RAID set "nvidia_ecaejfdip9" was activated

[13:44 archangel:~] # l /dev/mapper
total 0
drwxr-xr-x  2 root root       0 2009-06-22 13:44 .
drwxr-xr-x 23 root root       0 2009-06-22 13:44 ..
crw-rw----  1 root root  10, 60 2009-06-22 01:40 control
brw-------  1 root disk 254,  0 2009-06-22 13:38 nvidia_ecaejfdi
brw-------  1 root disk 254,  2 2009-06-22 01:40 nvidia_ecaejfdip5
brw-------  1 root disk 254,  3 2009-06-22 01:40 nvidia_ecaejfdip6
brw-------  1 root disk 254,  4 2009-06-22 01:40 nvidia_ecaejfdip7
brw-------  1 root disk 254,  5 2009-06-22 01:40 nvidia_ecaejfdip8
brw-------  1 root disk 254, 10 2009-06-22 13:44 nvidia_ecaejfdip9
<snip>

DELETING PARTITION (PART 9) - 10G IN SIZE

                                       cfdisk (util-linux-ng 2.14.2)

                                  Disk Drive: /dev/mapper/nvidia_ecaejfdi
                                     Size: 750156372992 bytes, 750.1 GB
                           Heads: 255   Sectors per Track: 63   Cylinders: 
91201

     Name            Flags          Part Type      FS Type               
[Label]             Size (MB)
 ----------------------------------------------------------------------------------------------------------
     nvidia_ecaejfdi5Boot            Logical       Linux ext3                                 
20003.85     *
     nvidia_ecaejfdi6                Logical       Linux ext3                                   
123.38
     nvidia_ecaejfdi7                Logical       Linux ext3                                 
39999.54
     nvidia_ecaejfdi8                Logical       Linux swap / Solaris                        
1998.75
                                     Pri/Log       Free Space                                
688028.23

(write & quit)

	Partition NOT removed from /dev/mapper:

[13:48 archangel:~] # l /dev/mapper
total 0
drwxr-xr-x  2 root root       0 2009-06-22 13:44 .
drwxr-xr-x 23 root root       0 2009-06-22 13:44 ..
crw-rw----  1 root root  10, 60 2009-06-22 01:40 control
brw-------  1 root disk 254,  0 2009-06-22 13:48 nvidia_ecaejfdi
brw-------  1 root disk 254,  2 2009-06-22 01:40 nvidia_ecaejfdip5
brw-------  1 root disk 254,  3 2009-06-22 01:40 nvidia_ecaejfdip6
brw-------  1 root disk 254,  4 2009-06-22 01:40 nvidia_ecaejfdip7
brw-------  1 root disk 254,  5 2009-06-22 01:40 nvidia_ecaejfdip8
brw-------  1 root disk 254, 10 2009-06-22 13:44 nvidia_ecaejfdip9
<snip>

[13:59 archangel:~] # dmraid -an nvidia_ecaejfdi

[13:59 archangel:~] # l /dev/mapper
total 0
drwxr-xr-x  2 root root       0 2009-06-22 13:44 .
drwxr-xr-x 23 root root       0 2009-06-22 13:44 ..
crw-rw----  1 root root  10, 60 2009-06-22 01:40 control
brw-------  1 root disk 254,  0 2009-06-22 13:48 nvidia_ecaejfdi
brw-------  1 root disk 254,  2 2009-06-22 01:40 nvidia_ecaejfdip5
brw-------  1 root disk 254,  3 2009-06-22 01:40 nvidia_ecaejfdip6
brw-------  1 root disk 254,  4 2009-06-22 01:40 nvidia_ecaejfdip7
brw-------  1 root disk 254,  5 2009-06-22 01:40 nvidia_ecaejfdip8
brw-------  1 root disk 254, 10 2009-06-22 13:44 nvidia_ecaejfdip9
<snip>

	Huh??? Why wasn't nvidia_ecaejfdip9 deactivated. I have deleted the partition 
in cfdisk, tried to activate it (y) and deactivate it (n) and still it is 
there. Is this a bug? Or do I need to erase the metadata in some other way??



-- 
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
www.rankinlawfirm.com