'Re: [Evms-devel] evms not recognizing drive-link volume'

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List:       evms-devel
Subject:    Re: [Evms-devel] evms not recognizing drive-link volume
From:       Orion Poplawski <orion () cora ! nwra ! com>
Date:       2003-02-28 18:33:38
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Steve Dobbelstein wrote:

>This sounds very much like a problem that was fixed on 19 Feb 2003.  Some
>old code was left around which caused any EVMS feature objects to not be
>discovered.  The fix is in CVS.  You can extract the current CVS code, wait
>for the next beta (scheduled for 28 Feb 2003), or apply the attached patch.
>
>Steve D.
>(See attached file: engine.patch)
>  
>
I'm now running the latest evms engine from CVS.  After having the 
problems with the drive link feature, I ended up creating a container 
using the LVM region manager encompassing the three disks, and then 
created an EVMS volume from that (if I remember this correctly).  This 
configuration was at least persistent through multiple starts of evms 
with the 1.9.0 code.  However, I had to do a power cycle on the machine 
and now evms does not find this configuration, even with the latest CVS 
version.   The three disks show up as available.  At this point I'd 
really like to recover the data on this partition if possible.  Any ideas?


Feb 28 11:18:11 matchbox LocalDskMgr: block_select:  Working on object: sdb
Feb 28 11:18:11 matchbox LocalDskMgr: block_select:  Major: 8 Minor: 16
Feb 28 11:18:11 matchbox LocalDskMgr: block_select:  Size: 35885168
Feb 28 11:18:11 matchbox Engine: engine_validate_name: Name to validate 
is sdb.
Feb 28 11:18:11 matchbox Engine: engine_register_name: Name to register 
is sdb.
Feb 28 11:18:11 matchbox Engine: engine_validate_name: Name to validate 
is sdb.
Feb 28 11:18:11 matchbox LocalDskMgr: block_select:  NEW LOGICAL DEVICE 
...........:
Feb 28 11:18:11 matchbox LocalDskMgr: 
block_select:                            Name: sdb
Feb 28 11:18:11 matchbox LocalDskMgr: 
block_select:                            size: 35885
168
Feb 28 11:18:11 matchbox LocalDskMgr: block_select:
Feb 28 11:18:11 matchbox LocalDskMgr: block_select:          GEOMETRY 
.............:
Feb 28 11:18:11 matchbox LocalDskMgr: 
block_select:                       cylinders: 2233
Feb 28 11:18:11 matchbox LocalDskMgr: 
block_select:                           heads: 255
Feb 28 11:18:11 matchbox LocalDskMgr: 
block_select:                         sectors: 63
Feb 28 11:18:11 matchbox LocalDskMgr: block_select:             sector 
size (bytes): 512
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  Working on object: hdb
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  Major: 3 Minor: 64
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  Size: 8439184
Feb 28 11:18:14 matchbox Engine: engine_validate_name: Name to validate 
is hdb.
Feb 28 11:18:14 matchbox Engine: engine_register_name: Name to register 
is hdb.
Feb 28 11:18:14 matchbox Engine: engine_validate_name: Name to validate 
is hdb.
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  NEW LOGICAL DEVICE 
...........:
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                            Name: hdb
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                            size: 84391
84
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:          GEOMETRY 
.............:
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                       cylinders: 8930
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                           heads: 15
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                         sectors: 63
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:             sector 
size (bytes): 512
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  Working on object: hda
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  Major: 3 Minor: 0
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  Size: 8437500
Feb 28 11:18:14 matchbox Engine: engine_validate_name: Name to validate 
is hda.
Feb 28 11:18:14 matchbox Engine: engine_register_name: Name to register 
is hda.
Feb 28 11:18:14 matchbox Engine: engine_validate_name: Name to validate 
is hda.
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:  NEW LOGICAL DEVICE 
...........:
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                            Name: hda
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                            size: 84375
00
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:          GEOMETRY 
.............:
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                       cylinders: 8928
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                           heads: 15
Feb 28 11:18:14 matchbox LocalDskMgr: 
block_select:                         sectors: 63
Feb 28 11:18:14 matchbox LocalDskMgr: block_select:             sector 
size (bytes): 512
Feb 28 11:18:14 matchbox LocalDskMgr: LD_discover_legacy:  Exporting 4 
Objects

Feb 28 11:18:14 matchbox LocalDskMgr: LD_read:  Read 1 sectors from disk 
sdb at sector 358
85167.
Feb 28 11:18:14 matchbox Engine: engine_alloc: Request to allocate 2047 
bytes.
Feb 28 11:18:14 matchbox LocalDskMgr: LD_read:  FD: 18, BUF: 8131800, 
SZ: 1024, OFF: 18373
204992
Feb 28 11:18:14 matchbox LocalDskMgr: write_to_cache:  Create a new 
cache entry for disk s
db, sector 35885167, count 1.
Feb 28 11:18:14 matchbox LocalDskMgr: write_to_cache:  Allocate a new 
buffer for the cache
 entry for disk sdb, sector 35885167, count 1.
Feb 28 11:18:14 matchbox Engine: engine_free: Request to free memory at 
0x8131518.
Feb 28 11:18:14 matchbox Engine: check_for_stop_data: Object sdb has 
stop data on it.
Feb 28 11:18:14 matchbox LocalDskMgr: LD_read:  Read 1 sectors from disk 
hdb at sector 843
9183.
Feb 28 11:18:14 matchbox Engine: engine_alloc: Request to allocate 2047 
bytes.
Feb 28 11:18:14 matchbox LocalDskMgr: LD_read:  FD: 20, BUF: 8131800, 
SZ: 1024, OFF: 43208
61184
Feb 28 11:18:14 matchbox LocalDskMgr: write_to_cache:  Create a new 
cache entry for disk h
db, sector 8439183, count 1.
Feb 28 11:18:14 matchbox LocalDskMgr: write_to_cache:  Allocate a new 
buffer for the cache
 entry for disk hdb, sector 8439183, count 1.
Feb 28 11:18:14 matchbox Engine: engine_free: Request to free memory at 
0x8131518.
Feb 28 11:18:14 matchbox Engine: check_for_stop_data: Object hdb has 
stop data on it.
Feb 28 11:18:14 matchbox LocalDskMgr: LD_read:  Read 1 sectors from disk 
hda at sector 843
7499.
Feb 28 11:18:14 matchbox Engine: engine_alloc: Request to allocate 2047 
bytes.
Feb 28 11:18:14 matchbox LocalDskMgr: LD_read:  FD: 21, BUF: 8131800, 
SZ: 1024, OFF: 43199
98976
Feb 28 11:18:14 matchbox LocalDskMgr: write_to_cache:  Create a new 
cache entry for disk h
da, sector 8437499, count 1.
Feb 28 11:18:14 matchbox LocalDskMgr: write_to_cache:  Allocate a new 
buffer for the cache
 entry for disk hda, sector 8437499, count 1.
Feb 28 11:18:14 matchbox Engine: engine_free: Request to free memory at 
0x8131518.
Feb 28 11:18:14 matchbox Engine: check_for_stop_data: Object hda has 
stop data on it.

Feb 28 11:18:15 matchbox LvmRegMgr: lvm_discover: Beginning LVM Discovery
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_discover_volume_groups: 
Searching for PVs in the o
bject list.
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_read_pv: Reading PV metadata 
from object sdb
Feb 28 11:18:15 matchbox Engine: engine_alloc: Request to allocate 1024 
bytes.
Feb 28 11:18:15 matchbox LocalDskMgr: LD_read:  Read 2 sectors from disk 
sdb at sector 0.
Feb 28 11:18:15 matchbox Engine: engine_alloc: Request to allocate 2047 
bytes.
Feb 28 11:18:15 matchbox LocalDskMgr: LD_read:  FD: 18, BUF: 813b000, 
SZ: 1024, OFF: 0
Feb 28 11:18:15 matchbox LocalDskMgr: write_to_cache:  Cache entry for 
disk sdb, sector 0
is too small.  Has 1 sectors; need 2 sectors.
Feb 28 11:18:15 matchbox LocalDskMgr: write_to_cache:  Allocate a new 
buffer for the cache
 entry for disk sdb, sector 0, count 2.
Feb 28 11:18:15 matchbox Engine: engine_free: Request to free memory at 
0x813adc0.
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_read_pv: Object sdb is not an LVM PV
Feb 28 11:18:15 matchbox Engine: engine_free: Request to free memory at 
0x813e1d8.
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_read_pv: Reading PV metadata 
from object hdb
Feb 28 11:18:15 matchbox Engine: engine_alloc: Request to allocate 1024 
bytes.
Feb 28 11:18:15 matchbox LocalDskMgr: LD_read:  Read 2 sectors from disk 
hdb at sector 0.
Feb 28 11:18:15 matchbox Engine: engine_alloc: Request to allocate 2047 
bytes.
Feb 28 11:18:15 matchbox LocalDskMgr: LD_read:  FD: 20, BUF: 813b000, 
SZ: 1024, OFF: 0
Feb 28 11:18:15 matchbox LocalDskMgr: write_to_cache:  Cache entry for 
disk hdb, sector 0
is too small.  Has 1 sectors; need 2 sectors.
Feb 28 11:18:15 matchbox LocalDskMgr: write_to_cache:  Allocate a new 
buffer for the cache
 entry for disk hdb, sector 0, count 2.
Feb 28 11:18:15 matchbox Engine: engine_free: Request to free memory at 
0x813adc0.
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_read_pv: Object hdb is not an LVM PV
Feb 28 11:18:15 matchbox Engine: engine_free: Request to free memory at 
0x813e1d8.
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_read_pv: Reading PV metadata 
from object hda
Feb 28 11:18:15 matchbox Engine: engine_alloc: Request to allocate 1024 
bytes.
Feb 28 11:18:15 matchbox LocalDskMgr: LD_read:  Read 2 sectors from disk 
hda at sector 0.
Feb 28 11:18:15 matchbox Engine: engine_alloc: Request to allocate 2047 
bytes.
Feb 28 11:18:15 matchbox LocalDskMgr: LD_read:  FD: 21, BUF: 813b000, 
SZ: 1024, OFF: 0
Feb 28 11:18:15 matchbox LocalDskMgr: write_to_cache:  Cache entry for 
disk hda, sector 0
is too small.  Has 1 sectors; need 2 sectors.
Feb 28 11:18:15 matchbox LocalDskMgr: write_to_cache:  Allocate a new 
buffer for the cache
 entry for disk hda, sector 0, count 2.
Feb 28 11:18:15 matchbox Engine: engine_free: Request to free memory at 
0x813adc0.
Feb 28 11:18:15 matchbox LvmRegMgr: lvm_read_pv: Object hda is not an LVM PV
Feb 28 11:18:15 matchbox Engine: engine_free: Request to free memory at 
0x813e1d8.




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