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plice
Tux's lil' helper
Tux's lil' helper


Joined: 09 Nov 2009
Posts: 83
Location: Poland

PostPosted: Fri Aug 23, 2013 12:53 pm    Post subject: lvm2 mounting errors Reply with quote

Hi,

I had strange situation. I've powered down the PC. When I've stared it up, bios won't see one of the 3 TB HD. I haven't realised that so LVM couldn't find 1 HD.
I'm not sure why bios didn't see the HD, so I've moved the cables around etc and go the HD online.

Now LVM can see everyting but it's complaining:

I have a problem with ftp and TLS . . . for some reason when the TLS is running i can log in but client won't show folders, fails to fully connect

I can mount the drive with--partial and I can see all the data is there. How do I go about this problem? Almost all the HD are full so I can't move the data around . ..

EDIT:

stupid me :( i've used vgreduce --removemissing on that missing HD. I can't re-add now:

vgcfgrestore server
Cannot restore Volume Group server with 1 PVs marked as missing.
Restore failed.


pvs -v
Scanning for physical volume names
There are 1 physical volumes missing.
There are 1 physical volumes missing.
PV VG Fmt Attr PSize PFree DevSize PV UUID
/dev/sda1 server lvm2 a-- 2.73t 0 2.73t oym1Ej-PGyB-yqal-oM0y-KU8i-XC5J-SoHex2
/dev/sdb1 server lvm2 a-- 2.73t 0 2.73t zeS1Y0-RKxN-uHMz-DJkc-GyJ2-Gt6Q-ClbFrM
/dev/sdc4 server lvm2 a-- 1.78t 0 1.78t O5398M-Lrry-C4lg-kaVY-T30C-uSZ5-S42Yqx
/dev/sdd1 server lvm2 a-m 2.73t 0 2.73t 6OyA7E-nnu9-Jp0d-VIaP-DetR-jOvm-Lr1vA5


what's the 'm' attribute? sdd1 is the HD that i was having trouble with.

Code:
 pvdisplay
  --- Physical volume ---
  PV Name               /dev/sdc4
  VG Name               server
  PV Size               1.78 TiB / not usable 4.93 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              467012
  Free PE               0
  Allocated PE          467012
  PV UUID               O5398M-Lrry-C4lg-kaVY-T30C-uSZ5-S42Yqx
   
  --- Physical volume ---
  PV Name               /dev/sda1
  VG Name               server
  PV Size               2.73 TiB / not usable 4.43 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              715396
  Free PE               0
  Allocated PE          715396
  PV UUID               oym1Ej-PGyB-yqal-oM0y-KU8i-XC5J-SoHex2
   
  --- Physical volume ---
  PV Name               /dev/sdb1
  VG Name               server
  PV Size               2.73 TiB / not usable 3.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              715396
  Free PE               0
  Allocated PE          715396
  PV UUID               zeS1Y0-RKxN-uHMz-DJkc-GyJ2-Gt6Q-ClbFrM
   
  --- Physical volume ---
  PV Name               /dev/sdd1
  VG Name               server
  PV Size               2.73 TiB / not usable 3.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              715396
  Free PE               0
  Allocated PE          715396
  PV UUID               6OyA7E-nnu9-Jp0d-VIaP-DetR-jOvm-Lr1vA5



Code:
 lvdisplay
  --- Logical volume ---
  LV Path                /dev/server/share
  LV Name                share
  VG Name                server
  LV UUID                WYNrcW-Vwvl-fT5C-tSqO-I2gU-z4lA-oWEEdg
  LV Write Access        read/write
  LV Creation host, time ,
  LV Status              available
  # open                 1
  LV Size                9.97 TiB
  Current LE             2613200
  Segments               4
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           254:0
   


Code:
vgdisplay
  --- Volume group ---
  VG Name               server
  System ID             
  Format                lvm2
  Metadata Areas        4
  Metadata Sequence No  11
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                4
  Act PV                3
  VG Size               9.97 TiB
  PE Size               4.00 MiB
  Total PE              2613200
  Alloc PE / Size       2613200 / 9.97 TiB
  Free  PE / Size       0 / 0   
  VG UUID               OC1lSo-NLXE-748C-J7BI-MuVP-nxnK-TXWFUa
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ianw1974
Guru
Guru


Joined: 18 Oct 2006
Posts: 377
Location: UK and Poland

PostPosted: Mon Sep 02, 2013 10:43 am    Post subject: Reply with quote

Perhaps try a:

Code:
vgchange -ay


to activate it, does that help?

You can also try in addition to this the pvscan and vgscan commands as well, but normally when I've had a problem with LVM errors because of it being inactive/missing, I've used the vgchange command.
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plice
Tux's lil' helper
Tux's lil' helper


Joined: 09 Nov 2009
Posts: 83
Location: Poland

PostPosted: Tue Sep 03, 2013 11:05 am    Post subject: Reply with quote

Yeh, i could only partially activate the LVM. It still omitted one HD. I've screwed up, removing the missing drive. Once I removed the drive, then i have tried to fix the LVM, which was a mistake. Then motherboard seen the missing HD!! It was too late . . .. if only i didn't remove it from LVM!!! I've only lost like 6 TB :(

Had my lesson, I'm not using lvm for important stuff, only ext4. It's easier to deal with :(
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