[ale] SuSE disk volumes?

[Beddingfield, Allen]

The "subvolumes" section on this page explains it much better than I can.

https://btrfs.wiki.kernel.org/index.php/SysadminGuide

Allen B.

On 1/9/19 1:22 PM, Jim Kinney wrote:
> So a subvolume is sortof partition-like but doesn't actually have a 
> partition boundary.
> 
> On Wed, 2019-01-09 at 13:15 -0600, Beddingfield, Allen wrote:
>> Yeah, that output is horrible.  Essentially you logically define
>> whatever you want to be a "volume" for snapshot purposes.  df isn't
>> smart enough to tell the difference, so it gives you that mess.  It is
>> really one big "/", with subvolumes defined.
>> Allen B.
>>
>> On 1/9/19 1:13 PM, Jim Kinney wrote:
>>> Learned something new. Never used BtrFS. That output is rather
>>> offputting! What does lsblk show?
>>>
>>> On Wed, 2019-01-09 at 13:05 -0600, Beddingfield, Allen via Ale wrote:
>>>> Not actually a problem - just BtrFS subvolumes.  Look in the
>>>> partitioning tool in yast to see the BtrFS configuration.  You may also
>>>> want to neuter the snapshot policy, or it will eventually fill up "/"
>>>>
>>>> On 1/9/19 1:03 PM, Jim Kinney via Ale wrote:
>>>>> fun. NOT!
>>>>>
>>>>> Check for disk errors and copy off anything you care about.
>>>>>
>>>>> Hmm. That .snapshots folder makes me think that that partition is
>>>>> composed (improperly) of files from a previous VM snapshot set that was
>>>>> not collapsed before export.
>>>>>
>>>>> On Wed, 2019-01-09 at 13:39 -0500, Leam Hall via Ale wrote:
>>>>>> Am I the only one that thinks this is weird output for "df -h"?
>>>>>>
>>>>>> ###
>>>>>>
>>>>>> /dev/sda2        14G  2.0G   11G  16% /
>>>>>> /dev/sda2        14G  2.0G   11G  16% /opt
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/tmp
>>>>>> /dev/sda2        14G  2.0G   11G  16% /tmp
>>>>>> /dev/sda2        14G  2.0G   11G  16% /.snapshots
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/mariadb
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/libvirt/images
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/pgsql
>>>>>> /dev/sda2        14G  2.0G   11G  16% /usr/local
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/spool
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/cache
>>>>>> /dev/sda2        14G  2.0G   11G  16% /boot/grub2/i386-pc
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/crash
>>>>>> /dev/sda2        14G  2.0G   11G  16% /srv
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/opt
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/mysql
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/named
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/mailman
>>>>>> /dev/sda2        14G  2.0G   11G  16% /boot/grub2/x86_64-efi
>>>>>> /dev/sda2        14G  2.0G   11G  16% /home
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/log
>>>>>> /dev/sda2        14G  2.0G   11G  16% /var/lib/machines
>>>>>>
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>>>>>> >
>>>>>>
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>>>>>> Ale at ale.org
>>>>>>  <mailto:Ale at ale.org>
>>>>>>
>>>>>>   <mailto:
>>>>>> Ale at ale.org
>>>>>>  <mailto:Ale at ale.org>
>>>>>> >
>>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>>
>>>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
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>>>>>>
>>>>>>
>>>>> -- 
>>>>>
>>>>> James P. Kinney III
>>>>>
>>>>> Every time you stop a school, you will have to build a jail. What you
>>>>> gain at one end you lose at the other. It's like feeding a dog on his
>>>>> own tail. It won't fatten the dog.
>>>>> - Speech 11/23/1900 Mark Twain
>>>>>
>>>>> http://heretothereideas.blogspot.com/
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Ale mailing list
>>>>> Ale at ale.org
>>>>>  <mailto:Ale at ale.org>
>>>>>
>>>>>   <mailto:
>>>>> Ale at ale.org
>>>>>  <mailto:Ale at ale.org>
>>>>> >
>>>>>
>>>>> https://mail.ale.org/mailman/listinfo/ale
>>>>>
>>>>>
>>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>>>> http://mail.ale.org/mailman/listinfo
>>>>>
>>>>>
>>>>>
>>>>
>>> -- 
>>>
>>> James P. Kinney III
>>>
>>> Every time you stop a school, you will have to build a jail. What you
>>> gain at one end you lose at the other. It's like feeding a dog on his
>>> own tail. It won't fatten the dog.
>>> - Speech 11/23/1900 Mark Twain
>>>
>>> http://heretothereideas.blogspot.com/
>>>
>>>
>>
> -- 
> 
> James P. Kinney III
> 
> Every time you stop a school, you will have to build a jail. What you
> gain at one end you lose at the other. It's like feeding a dog on his
> own tail. It won't fatten the dog.
> - Speech 11/23/1900 Mark Twain
> 
> http://heretothereideas.blogspot.com/
> 

-- 
Allen Beddingfield
Systems Engineer
Office of Information Technology
The University of Alabama
Office 205-348-2251
allen at ua.edu