Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

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Spher
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Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

Post by Spher »

Hi,

I have a big problem. After one of my drives failed (I got 4 drives in a raid 5 on a TS-419P II with FW version 4.3.3) I can't access/see my shared folders anymore via File Station or Samba share (windows explorer).
When I open File Station and press the NAS icon on the top left, normally the shared folders appear under the Icon. Now this stays empty.
When I use windows explorer and go to "//<NAS ipaddress>" I got a network error "no access to <NAS ipaddress>".

When I SSH into the system I still can find the files under "/share/MD0_DATA/<shared folder name>"

When I check the "RAID Management" I noticed that the Raid volume is changed from "Drive 1 2 3 4" to "Drive 1 2 4" (drive 3 is defective).

Anyone who can help me out (copy all the files via SSH is no option -> very slow)?
Thanks in advance!
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dolbyman
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Re: Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

Post by dolbyman »

what does a

Code: Select all

 cat /proc/mdstat
spit out ? .. is the NAS trying to recover ? .. (removal of that defective drive could help here then)

Got external backups ? .. I hope you do (as you should at all times.. a RAID is NEVER a backup)
Spher
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Re: Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

Post by Spher »

Yes I needed to remove that drive because the NAS was slowed down by it.
For the rest, the NAS seems to be working fine (I think)
I don't have backups of all the data. That's why I want to solve this.
Spher
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Re: Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

Post by Spher »

dolbyman wrote: Fri Jan 28, 2022 1:28 am what does a

Code: Select all

 cat /proc/mdstat
gives me this:

Code: Select all

[~] # cat /proc/mdstat
Personalities : [raid1] [linear] [raid0] [raid10] [raid6] [raid5] [raid4]
md0 : active (read-only) raid5 sda3[0] sdd3[3] sdb3[1]
                 5855836800 blocks level 5, 64k chunk, algorithm 2 [4/3] [UU_U]

md4 : active raid1 sdd2[3](S) sdb2[2] sda2[0]
                 530128 blocks super 1.0 [2/2] [UU]

md13 : active raid1 sdd4[2] sdb4[1] sda4[0]
                 458880 blocks [4/3] [UUU_]
                 bitmap: 47/57 pages [188KB], 4KB chunk

md9 : active raid1 sdd1[2] sdb1[1] sda1[0]
                 530048 blocks [4/3] [UUU_]
                 bitmap: 37/65 pages [148KB], 4KB chunk

unused devices: <none>
What do you think? Is it fixable?
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dolbyman
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Re: Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

Post by dolbyman »

The RAID5 md0 is read only, so another drive must have an issue... as 3 healthy drives should work just fine (albeit with reduced performance)

Without backups you might have to visit a data recovery specialist
Spher
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Re: Can't access/see my shared folders anymore via File Station or Samba share (windows explorer)

Post by Spher »

I think that the first drive is not totaly fine, but the QNAP said otherwise.

De data is still fine. When I SSH into the QNAP I can find the data and I'm able to copy it over SSH.
But this process is very slow so it would be great if it was possible to access the data over SAMBA again.
That way I can copy my data much faster.
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