[arch-general] Fwd: Re: dmraid-1.0.0rc15 in testing, need you help on this! (possible Bug on Delete)

David C. Rankin drankinatty at suddenlinkmail.com
Mon Jun 22 15:48:03 EDT 2009


Heinz,

	I thought I would forward this one to you just in case there is a bug on the 
delete. It is probably just my limited understanding of dmraid, but I thought 
after I deleted the partition in cfdisk and then deactivated the device 
(nvidia_ecaejfdi) node nvidia_ecaejfdip9 should disappear? It is still there. 
How do I get rid of it? This is on Archlinux. Here is a bit more info about my 
setup:

[14:17 archangel:/home/david/archlinux/dmraid] # 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
(I have deleted this in cfdisk)                 ^^^^^^^^^^^^^^^^^^
brw-------  1 root disk 254,  1 2009-06-22 01:40 nvidia_fdaacfde
brw-------  1 root disk 254,  6 2009-06-22 01:40 nvidia_fdaacfdep5
brw-------  1 root disk 254,  7 2009-06-22 01:40 nvidia_fdaacfdep6
brw-------  1 root disk 254,  8 2009-06-22 01:40 nvidia_fdaacfdep7
brw-------  1 root disk 254,  9 2009-06-22 01:40 nvidia_fdaacfdep8


[14:13 archangel:/home/david/archlinux/dmraid] # dmraid -rd -v -v           
NOTICE: /dev/sdd: asr     discovering                                       
NOTICE: /dev/sdd: ddf1    discovering                                       
NOTICE: /dev/sdd: hpt37x  discovering                                       
NOTICE: /dev/sdd: hpt45x  discovering                                       
NOTICE: /dev/sdd: isw     discovering                                       
NOTICE: /dev/sdd: jmicron discovering                                       
NOTICE: /dev/sdd: lsi     discovering                                       
NOTICE: /dev/sdd: nvidia  discovering                                       
NOTICE: /dev/sdd: nvidia metadata discovered                                
NOTICE: /dev/sdd: pdc     discovering                                       
NOTICE: /dev/sdd: sil     discovering                                       
NOTICE: /dev/sdd: via     discovering                                       
NOTICE: /dev/sdc: asr     discovering                                       
NOTICE: /dev/sdc: ddf1    discovering                                       
NOTICE: /dev/sdc: hpt37x  discovering                                       
NOTICE: /dev/sdc: hpt45x  discovering                                       
NOTICE: /dev/sdc: isw     discovering                                       
NOTICE: /dev/sdc: jmicron discovering                                       
NOTICE: /dev/sdc: lsi     discovering                                       
NOTICE: /dev/sdc: nvidia  discovering                                       
NOTICE: /dev/sdc: nvidia metadata discovered                                
NOTICE: /dev/sdc: pdc     discovering                                       
NOTICE: /dev/sdc: sil     discovering                                       
NOTICE: /dev/sdc: via     discovering                                       
NOTICE: /dev/sdb: asr     discovering                                       
NOTICE: /dev/sdb: ddf1    discovering                                       
NOTICE: /dev/sdb: hpt37x  discovering                                       
NOTICE: /dev/sdb: hpt45x  discovering                                       
NOTICE: /dev/sdb: isw     discovering                                       
NOTICE: /dev/sdb: jmicron discovering                                       
NOTICE: /dev/sdb: lsi     discovering                                       
NOTICE: /dev/sdb: nvidia  discovering                                       
NOTICE: /dev/sdb: nvidia metadata discovered                                
NOTICE: /dev/sdb: pdc     discovering                                       
NOTICE: /dev/sdb: sil     discovering                                       
NOTICE: /dev/sdb: via     discovering                                       
NOTICE: /dev/sda: asr     discovering                                       
NOTICE: /dev/sda: ddf1    discovering                                       
NOTICE: /dev/sda: hpt37x  discovering                                       
NOTICE: /dev/sda: hpt45x  discovering                                       
NOTICE: /dev/sda: isw     discovering                                       
NOTICE: /dev/sda: jmicron discovering
NOTICE: /dev/sda: lsi     discovering
NOTICE: /dev/sda: nvidia  discovering
NOTICE: /dev/sda: nvidia metadata discovered
NOTICE: /dev/sda: pdc     discovering
NOTICE: /dev/sda: sil     discovering
NOTICE: /dev/sda: via     discovering
INFO: RAID devices discovered:

/dev/sdd: nvidia, "nvidia_ecaejfdi", mirror, ok, 1465149166 sectors, data@ 0
/dev/sdc: nvidia, "nvidia_fdaacfde", mirror, ok, 976773166 sectors, data@ 0
/dev/sdb: nvidia, "nvidia_ecaejfdi", mirror, ok, 1465149166 sectors, data@ 0
/dev/sda: nvidia, "nvidia_fdaacfde", mirror, ok, 976773166 sectors, data@ 0
[14:13 archangel:/home/david/archlinux/dmraid] # mc

	How do I remove the nvidia_ecaejfdip9 entry?



-- 
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
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??

cc: Tobias

-- 
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
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From: "David C. Rankin" <drankinatty at suddenlinkmail.com>
Subject: Re: [arch-general] dmraid-1.0.0rc15 in testing,
	need you help on this! (possible Bug on Delete)
Date: Mon, 22 Jun 2009 14:18:17 -0500
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