Re: mounting of unknown filesystem type on RAID5 array

would it be possible to examine the fs using 
parted or fdisk ?

--- Tim Harvey <tharvey@alumni.calpoly.edu> wrote:

Greetings,

I'm trying to mount a RAID5 array created on a
NASAS-2040 which uses an
embedded Linux OS which has failed.  I'm having
trouble determining the
filesystem type used.  I've physically connected 3
out of the 4 drives,
so as to start it in degraded mode and pull the data
off.  Here are
sections of my logs:

Jun  2 13:58:16 localhost kernel: hda:
IBM-DJNA-351520, ATA DISK drive
Jun  2 13:58:16 localhost kernel: hdb: Maxtor
5A300J0, ATA DISK drive
Jun  2 13:58:16 localhost kernel: blk: queue
c03fcf00, I/O limit 4095Mb
(mask 0xffffffff)
Jun  2 13:58:16 localhost kernel: blk: queue
c03fd040, I/O limit 4095Mb
(mask 0xffffffff)
Jun  2 13:58:16 localhost kernel: hdc: Maxtor
5A300J0, ATA DISK drive
Jun  2 13:58:16 localhost kernel: hdd: Maxtor
5A300J0, ATA DISK drive
Jun  2 13:58:16 localhost kernel: blk: queue
c03fd35c, I/O limit 4095Mb
(mask 0xffffffff)
Jun  2 13:58:16 localhost kernel: blk: queue
c03fd49c, I/O limit 4095Mb
(mask 0xffffffff)
Jun  2 13:58:16 localhost kernel: ide0 at
0x1f0-0x1f7,0x3f6 on irq 14
Jun  2 13:58:16 localhost kernel: ide1 at
0x170-0x177,0x376 on irq 15
Jun  2 13:58:16 localhost kernel: hda: attached
ide-disk driver.
Jun  2 13:58:16 localhost kernel: hda: host
protected area => 1
Jun  2 13:58:16 localhost kernel: hda: 30033360
sectors (15377 MB)
w/430KiB Cache, CHS=1869/255/63
Jun  2 13:58:16 localhost kernel: hdb: attached
ide-disk driver.
Jun  2 13:58:16 localhost kernel: hdb: host
protected area => 1
Jun  2 13:58:16 localhost kernel: hdb: 585940320
sectors (300001 MB)
w/2048KiB Cache, CHS=36473/255/63, UDMA(133)
Jun  2 13:58:16 localhost kernel: hdc: attached
ide-disk driver.
Jun  2 13:58:16 localhost kernel: hdc: host
protected area => 1
Jun  2 13:58:16 localhost kernel: hdc: 585940320
sectors (300001 MB)
w/2048KiB Cache, CHS=36473/255/63, UDMA(133)
Jun  2 13:58:16 localhost kernel: hdd: attached
ide-disk driver.
Jun  2 13:58:16 localhost kernel: hdd: host
protected area => 1
Jun  2 13:58:16 localhost kernel: hdd: 585940320
sectors (300001 MB)
w/2048KiB Cache, CHS=36473/255/63, UDMA(133)
Jun  2 13:58:16 localhost kernel: Partition check:
Jun  2 13:58:16 localhost kernel:  hda: hda1 hda2
hda3
Jun  2 13:58:16 localhost kernel:  hdb: hdb1 hdb2
hdb3
Jun  2 13:58:16 localhost kernel:  hdc: hdc1 hdc2
hdc3
Jun  2 13:58:16 localhost kernel:  hdd: hdd1 hdd2
hdd3
Jun  2 13:58:16 localhost kernel: ide: late
registration of driver.
Jun  2 13:58:16 localhost kernel: md: md driver
0.90.0 MAX_MD_DEVS=256,
MD_SB_DISKS=27
Jun  2 13:58:16 localhost kernel: md: Autodetecting
RAID arrays.
Jun  2 13:58:16 localhost kernel:  [events:
00000008]
Jun  2 13:58:17 localhost last message repeated 2
times
Jun  2 13:58:17 localhost kernel: md: autorun ...
Jun  2 13:58:17 localhost kernel: md: considering
hdd1 ...
Jun  2 13:58:17 localhost kernel: md:  adding hdd1
...
Jun  2 13:58:17 localhost kernel: md:  adding hdc1
...
Jun  2 13:58:17 localhost kernel: md:  adding hdb1
...
Jun  2 13:58:17 localhost kernel: md: created md0
Jun  2 13:58:17 localhost kernel: md: bind<hdb1,1>
Jun  2 13:58:17 localhost kernel: md: bind<hdc1,2>
Jun  2 13:58:17 localhost kernel: md: bind<hdd1,3>
Jun  2 13:58:17 localhost kernel: md: running:
<hdd1><hdc1><hdb1>
Jun  2 13:58:17 localhost kernel: md: hdd1's event
counter: 00000008
Jun  2 13:58:17 localhost kernel: md: hdc1's event
counter: 00000008
Jun  2 13:58:17 localhost kernel: md: hdb1's event
counter: 00000008
Jun  2 13:58:17 localhost kernel: kmod: failed to
exec /sbin/modprobe -s
-k md-personality-4, errno = 2
Jun  2 13:58:17 localhost kernel: md: personality 4
is not loaded!
Jun  2 13:58:17 localhost kernel: md :do_md_run()
returned -22
Jun  2 13:58:17 localhost kernel: md: md0 stopped.
Jun  2 13:58:17 localhost kernel: md: unbind<hdd1,2>
Jun  2 13:58:17 localhost kernel: md:
export_rdev(hdd1)
Jun  2 13:58:17 localhost kernel: md: unbind<hdc1,1>
Jun  2 13:58:17 localhost kernel: md:
export_rdev(hdc1)
Jun  2 13:58:17 localhost kernel: md: unbind<hdb1,0>
Jun  2 13:58:17 localhost kernel: md:
export_rdev(hdb1)
Jun  2 13:58:17 localhost kernel: md: ... autorun
DONE.
...
Jun  2 14:01:59 localhost kernel:  [events:
00000008]
Jun  2 14:01:59 localhost kernel: md: bind<hdc1,1>
Jun  2 14:01:59 localhost kernel:  [events:
00000008]
Jun  2 14:01:59 localhost kernel: md: bind<hdd1,2>
Jun  2 14:01:59 localhost kernel:  [events:
00000008]
Jun  2 14:01:59 localhost kernel: md: bind<hdb1,3>
Jun  2 14:01:59 localhost kernel: md: hdb1's event
counter: 00000008
Jun  2 14:01:59 localhost kernel: md: hdd1's event
counter: 00000008
Jun  2 14:01:59 localhost kernel: md: hdc1's event
counter: 00000008
Jun  2 14:01:59 localhost kernel: raid5: measuring
checksumming speed
Jun  2 14:01:59 localhost kernel:    8regs     : 
2060.800 MB/sec
Jun  2 14:01:59 localhost kernel:    32regs    : 
1369.200 MB/sec
Jun  2 14:01:59 localhost kernel:    pIII_sse  : 
3178.800 MB/sec
Jun  2 14:01:59 localhost kernel:    pII_mmx   : 
3168.800 MB/sec
Jun  2 14:01:59 localhost kernel:    p5_mmx    : 
4057.600 MB/sec
Jun  2 14:01:59 localhost kernel: raid5: using
function: pIII_sse
(3178.800 MB/sec)
Jun  2 14:01:59 localhost kernel: md: raid5
personality registered as nr
4
Jun  2 14:01:59 localhost kernel: md0: max total
readahead window set to
744k
Jun  2 14:01:59 localhost kernel: md0: 3 data-disks,
max readahead per
data-disk: 248k
Jun  2 14:01:59 localhost kernel: raid5: device hdb1
operational as raid
disk 1
Jun  2 14:01:59 localhost kernel: raid5: device hdd1
operational as raid
disk 3
Jun  2 14:01:59 localhost kernel: raid5: device hdc1
operational as raid
disk 2
Jun  2 14:01:59 localhost kernel: raid5: md0, not
all disks are
operational -- trying to recover array
Jun  2 14:01:59 localhost kernel: raid5: allocated
4334kB for md0
Jun  2 14:01:59 localhost kernel: raid5: raid level
5 set md0 active
with 3 out of 4 devices, algorithm 2
Jun  2 14:01:59 localhost kernel: RAID5 conf
printout:
Jun  2 14:01:59 localhost kernel:  --- rd:4 wd:3
fd:1
Jun  2 14:01:59 localhost kernel:  disk 0, s:0, o:0,
n:0 rd:0 us:1
dev:[dev 00:00]
Jun  2 14:01:59 localhost kernel:  disk 1, s:0, o:1,
n:1 rd:1 us:1
dev:hdb1
Jun  2 14:01:59 localhost kernel:  disk 2, s:0, o:1,
n:2 rd:2 us:1
dev:hdc1
Jun  2 14:01:59 localhost kernel:  disk 3, s:0, o:1,
n:3 rd:3 us:1
dev:hdd1
Jun  2 14:01:59 localhost kernel: RAID5 conf
printout:
Jun  2 14:01:59 localhost kernel:  --- rd:4 wd:3
fd:1

=== message truncated ===



	
		
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