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Re: [linux-lvm] LVM Problems :)



Hi there!

Big thanks for the very fast answer!!
Much appreciated!

Just to be VERY sure, tune2fs -l says:

tune2fs -l /dev/share/data
tune2fs 1.32 (09-Nov-2002)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          e89bf0d8-31fc-4ef0-945a-8cc4bb0c1d4c
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      filetype sparse_super large_file
Default mount options:    (none)
Filesystem state:         not clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              125288448
Block count:              250576896
Reserved block count:     0
Free blocks:              8128738
Free inodes:              125210458
First block:              0
Block size:               4096
Fragment size:            4096
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         16384
Inode blocks per group:   512
Filesystem created:       Fri May 30 17:14:27 2003
Last mount time:          Fri Feb 13 14:58:30 2004
Last write time:          Fri Feb 13 14:58:30 2004
Mount count:              12
Maximum mount count:      20
Last checked:             Thu Feb 12 18:53:36 2004
Check interval:           15552000 (6 months)
Next check after:         Tue Aug 10 19:53:36 2004
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128

----

So What lvreduce size should i use to shrink it?
I better have a guru look over it, better safe than
sorry :)

-Christian.

Heinz Mauelshagen wrote:
Christian,

the size of your filesystem and logical volume differs already.
That's why e2fsadm fails.
Did you eventually run resize2fs in order to shrink the filesystem ?

Your logical volume size is 1091456MB (32MB/PE * 34108 PE) but your
filesystem size is 963584GB (941GB * 1024MB/GB; check with
"tune2fs -l" and look for the block count and block size to calculate
this correctly).

In case the result shows, that your filesystem is already smaller than the LV,
lvreduce the logical volume appropriately.

Use the block count * block size result and round it up to the next PE!

Regards,
Heinz    -- The LVM Guy --




On Fri, Feb 13, 2004 at 03:06:28PM +0100, Christian Reiss wrote:


Greetings!

I am trying to dissolve a running LVM, so i am doing
the e2fsadm, lvreduce, pvmove thingy. But ever since I
removed the first hdd, I am unable to resize the lvm
any more. The error can be seen below, with e2fsadm.
I also included the vg&lvdisplay commands.

I am running the LVM1 sources (non-cvs, approx mid last
year), as i am unable to run LVM2 (need to downgrade kernel
to 2.4.22 (no patch included in lvm2 for 2.4.23)).
Also, I am (too dumb/unable) to locate a e2fsadm alike
tool for lvm2, as e2fsadm needs the lvm-tab thingy,
which lvm2 no longer provides.

Any help is greatly appreciated. :)

-Christian.


:::::::::::::::::: ::: vgdisplay ::::

--- Volume group ---
VG Name               share
VG Access             read/write
VG Status             available/NOT resizable
VG #                  0
MAX LV                256
Cur LV                1
Open LV               1
MAX LV Size           2 TB
Max PV                256
Cur PV                11
Act PV                11
VG Size               1.12 TB
PE Size               32 MB
Total PE              36668
Alloc PE / Size       34108 / 1.04 TB
Free  PE / Size       2560 / 80 GB
VG UUID               PSYbaQ-bl8d-xvHp-6re2-hoKd-9mE5-Wa5Tqz

:::::::::::::::
:: lvdisplay ::

--- Logical volume ---
LV Name                /dev/share/data
VG Name                share
LV Write Access        read/write
LV Status              available
LV #                   1
# open                 1
LV Size                1.04 TB
Current LE             34108
Allocated LE           34108
Allocation             next free
Read ahead sectors     1024
Block device           58:0

:::::::::::::
:: e2fsadm ::

e2fsadm -L-10G /dev/share/data
e2fsadm -- logical volume size for "/dev/share/data" invalid

:::::::::::
:: df -h ::

Filesystem            Size  Used Avail Use% Mounted on
/dev/share/data       941G  910G   32G  97% /share/filebase


-- Christian Reiss <email demonlord de> demonserver.de

Key fingerprint = 2999 B7CD A218 06DF D658  5BE3 18B6 B232 02FF 71B2
Public Key can be obtained here: http://www.demonlord.de/pgp.txt


*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Heinz Mauelshagen                                 Red Hat, Inc.
Consulting Development Engineer                   Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen RedHat com                            +49 2626 141200
                                                       FAX 924446
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--
Christian Reiss <email demonlord de>
demonserver.de

Key fingerprint = 2999 B7CD A218 06DF D658  5BE3 18B6 B232 02FF 71B2
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