4 hours ago, bravob said:

What do you mean full diagnostics? Where can i perform that ?

The zip file created either by Tools->Diagnostics in the GuI or by typing ‘diagnostics’ on the command line (in which case the zip file is created in the ‘logs’ folder on the flash drive.

I have one disk which rebuild cannot fix... what is the best option for me ?

 

eiserfsck 3.6.24

Will read-only check consistency of the filesystem on /dev/md5
Will put log info to 'stdout'
###########
reiserfsck --check started at Sun Dec  3 22:23:07 2017
###########
Replaying journal: 
Replaying journal: Done.
Reiserfs journal '/dev/md5' in blocks [18..8211]: 0 transactions replayed
Checking internal tree..

Bad root block 0. (--rebuild-tree did not complete)

It needs --rebuild-tree

Just now, johnnie.black said:

It needs --rebuild-tree

I have 4GB of ram.

Quote

 

I run it couple of times already always same... i am running again the third time.

Post the reiserfsck output if it fails again.

it did not failed. the last rebuild completed.

But the drive went unmounted again after i restart system and when i check disk it gives this error again.

Post the output anyway

The HDD went to sleep and status stopped here....

 

reiserfsck 3.6.24

*************************************************************
** Do not  run  the  program  with  --rebuild-tree  unless **
** something is broken and MAKE A BACKUP  before using it. **
** If you have bad sectors on a drive  it is usually a bad **
** idea to continue using it. Then you probably should get **
** a working hard drive, copy the file system from the bad **
** drive  to the good one -- dd_rescue is  a good tool for **
** that -- and only then run this program.                 **
*************************************************************

Will rebuild the filesystem (/dev/md5) tree
Will put log info to 'stdout'
Replaying journal: 
Replaying journal: Done.
Reiserfs journal '/dev/md5' in blocks [18..8211]: 0 transactions replayed
###########
reiserfsck --rebuild-tree started at Sun Dec  3 22:34:31 2017
###########

Pass 0:
Loading on-disk bitmap .. ok, 479544576 blocks marked used
Skipping 23115 blocks (super block, journal, bitmaps) 479521461 blocks will be read
0%....20%....40%....60%....80%....100%
	"r5" hash is selected
Flushing..finished
	Read blocks (but not data blocks) 479521461
		Leaves among those 476126
		Objectids found 27112

Pass 1 (will try to insert 476126 leaves):
Looking for allocable blocks .. finished
0%....20%....40%....60%....80%....

So it didn't finish, do you have another computer you could use, to rule out hardware issues?

i only have on unraid system.

You don't need another unRAID system, you can use your key and transfer all the disks to another computer or use a trial key just with that disk, if the latter parity will be invalidated but maybe you'll get that data back.

On 12/5/2017 at 3:43 PM, johnnie.black said:

You don't need another unRAID system, you can use your key and transfer all the disks to another computer or use a trial key just with that disk, if the latter parity will be invalidated but maybe you'll get that data back.

i do not understand what do you mean ?

how do i use the disk on another computer ?

I only have Windows OS client.

Boot that computer with an unRAID trial key.

3 minutes ago, johnnie.black said:

Boot that computer with an unRAID trial key.

how ?

Now i cannot even mount disk5... everything i start unraid, disk 5 always showing unmounted...

Only when i start with maintenance mode, then i can run check disk and rebuild etc... but the rebuild never 100% complete all the time everytime...

 

Boot another computer with an unRAID trial key and that disk only, run reiserfsck on that disk to see if the issue with --rebuild-tree not finishing is or isn't hardware related.

1 minute ago, johnnie.black said:

Boot another computer with an unRAID trial key and that disk only, run reiserfsck on that disk to see if the issue with --rebuild-tree not finishing is or isn't hardware related.

Can i connect disk 5 to a Windows 7 OS ?

I remember last time i took out a disk and connect to Windows, it does not recognize the format and not able to see its content.

3 minutes ago, johnnie.black said:

Boot another computer with an unRAID trial key

Am I not being clear?

54 minutes ago, johnnie.black said:

Am I not being clear?

I think i know what you mean, but i do not have spare computer....

This will require me to remove all the hdd cables and leave disk 5 alone...

 

Don't know what to tell you you, there are utilities that make Windows capable of reading a functional reiser disk, very much doubt it will read a corrupt reiser filesystem, but never did try, IMO the easiest way forward would be to remove that disk from the unRAID server, connect it on another PC, boot with an unRAID trial key and run --rebuild-tree on it, if it still fails nothing more you can do, if it succeeds you can recover the data and confirm there's a problem with your server.

Since only disk 5 having issue, can i reformat disk5 and do a unraid rebuild using the parity disk ?

No, parity can't fix filesystem issues, unless parity is out of sync the emulated/rebuilt disk is going to look exactly the same as the current disk.

3 minutes ago, johnnie.black said:

No, parity can't fix filesystem issues, unless parity is out of sync the emulated/rebuilt disk is going to look exactly the same as the current disk.

So meaning if i replace with a new disk on disk5, i cannot bring the unraid system online ?

You can but disk5 should still be unmountable.

If i decided to forgo the data on disk5, can i reformat disk5 and bring the entire unraid online ?

If disk5 is the only one remaining with filesystem corruption issues and it's unmountable the rest of the data should be online even before formatting it.