Unfortunately no one can be told what fun_plug is - you have to see it for yourself.
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Hello!
Something happened when I was copying files from Vol_1 to Vol_2 and and I cannot write to a second HDD no more. After I used dmesg command it is explained:
sdb: Current: sense key=0x3
ASC=0x0 ASCQ=0x0
Info fld=0xa2fce10
end_request: I/O error, dev sdb, sector 170905104
EXT3-fs error (device sdb2): read_block_bitmap: Cannot read block bitmap - block_group = 644, block_bitmap = 21102592
Aborting journal on device sdb2.
ext3_abort called.
EXT3-fs error (device sdb2): ext3_journal_start_sb: Detected aborted journal
Remounting filesystem read-only
EXT3-fs error (device sdb2) in ext3_prepare_write: IO failure
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_dataCan someone explain me what happened to Vol_2 (sdb) and how to fix it to make it read/write again?
Last edited by wujo11 (2015-04-11 16:48:44)
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end_request: I/O error, dev sdb, sector 170905104
That's almost for sure a hardware error. Have a look at the smart data of that disk.
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Ok, this is log from executing smartctl -a -i -d marvell /dev/sdb commmand
smartctl 5.39.1 2010-01-28 r3054 [arm-unknown-linux-uclibc] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Device Model: SAMSUNG HD204UI
Serial Number: S2H7J1CB114758
Firmware Version: 1AQ10001
User Capacity: 2,000,398,934,016 bytes
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 6
Local Time is: Mon Apr 13 12:33:10 2015 GMT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection: Disabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: (20100) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 255) minutes.
SCT capabilities: (0x003f) SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 100 100 051 Pre-fail Always - 283
2 Throughput_Performance 0x0026 252 252 000 Old_age Always - 0
3 Spin_Up_Time 0x0023 067 067 025 Pre-fail Always - 10226
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 220
5 Reallocated_Sector_Ct 0x0033 252 252 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 252 252 051 Old_age Always - 0
8 Seek_Time_Performance 0x0024 252 252 015 Old_age Offline - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 135
10 Spin_Retry_Count 0x0032 252 252 051 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 252 252 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 127
181 Program_Fail_Cnt_Total 0x0022 100 100 000 Old_age Always - 1465294
191 G-Sense_Error_Rate 0x0022 100 100 000 Old_age Always - 2
192 Power-Off_Retract_Count 0x0022 252 252 000 Old_age Always - 0
194 Temperature_Celsius 0x0002 064 062 000 Old_age Always - 33 (Lifetime Min/Max 17/40)
195 Hardware_ECC_Recovered 0x003a 100 100 000 Old_age Always - 0
196 Reallocated_Event_Count 0x0032 252 252 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 15
198 Offline_Uncorrectable 0x0030 252 252 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0036 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x002a 100 100 000 Old_age Always - 0
223 Load_Retry_Count 0x0032 252 252 000 Old_age Always - 0
225 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 236
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
Note: selective self-test log revision number (0) not 1 implies that no selective self-test has ever been run
SMART Selective self-test log data structure revision number 0
Note: revision number not 1 implies that no selective self-test has ever been run
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Completed [00% left] (0-65535)
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.It seems to be OK.
I investigated problem further and found out tha the journal is probably corrupted. It was suggested that I should: unmount drive, remove journal from filesystem, use e2fsck to remove journal and scan drive, lastly recreate journal using tune2fs. That's the tricky part becouse the drive is flagged as needs_revocery and the journal could'nt be deleted (even when I force delete in e2fck it won't do it). I try to change flag using debugfs but the program fails. I'm stuck.
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How to mount (or remount) disk as ext2 after NAS started, or how to configure to mount disk as ext2 when device is booting. How the DNS-323 manage that. I have Funplug 0.5 installed with SSH access but I don't know where to look for config files.
I know only configure by fstab but my /etc/fstab looks like this:
proc /proc proc defaults 0 0 /dev/ram0 / minix defaults 1 1 /dev/mtdblock0 /sys/mtd1 minix defaults 0 0 /image.cfs /sys/crfs squashfs loop 0 0
so I think is not done by that in that case.
The disk I'm talking about is Vol_2 so not funplug or other process is accessing it after boot (except samba).
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If you can unmount it, I guess you can remount it explicitely specifying the file system
mount -t ext2 <device> <mountpoint>
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