[ovirt-users] Storage Domain used space strangeness

[Karli Sjöberg]

Den 15 jul 2014 22:28 skrev Colby Westerburg <cwesterburg at gmail.com>:
>
> [root at jmini08 ~]# zfs list -t snapshot
> no datasets available
>
> [root at jmini07 ~]# df -h
> Filesystem            Size  Used Avail Use% Mounted on
> 10.6.2.34:/data       914G   51G  864G   6% /rhev/data-center/mnt/10.6.2.34:_data
>
> [root at jmini08 ~]# ifconfig | grep "inet addr"
>           inet addr:10.6.2.34  Bcast:10.6.15.255  Mask:255.255.240.0
>
> --
> Colby Westerburg
> cwesterburg at gmail.com

OK, so everyone at least agrees that 50GB seems to be used. From the storage, run:
# du -hs /data

/K

>
> On July 15, 2014 at 2:43:57 PM, Karli Sjöberg (karli.sjoberg at slu.se) wrote:
>>
>>
>> Den 15 jul 2014 21:31 skrev urthmover <urthmover at gmail.com>:
>> >
>> > It might be a result of running the zfs filesystem on the disks that the storage domain is using.  Any guidance is greatly appreciated.
>>
>> Snapshots?
>> # zfs list -t snapshot
>>
>> What does the hosts that are mouting think? If you log into one of them and run:
>> # df -h
>>
>> /K
>>
>> >
>> > [root at jmini08 ~]# mount | grep data-pool
>> > data-pool on /data type zfs (rw,xattr)
>> >
>> > [root at jmini08 ~]# df -h /data
>> > Filesystem      Size  Used Avail Use% Mounted on
>> > data-pool       914G   51G  864G   6% /data
>> >
>> > [root at jmini08 ~]# du -h /data
>> > 17K /data/54ba461d-fbec-422e-9300-2f51640e5b2a/images
>> > 2.1M /data/54ba461d-fbec-422e-9300-2f51640e5b2a/dom_md
>> > 2.1M /data/54ba461d-fbec-422e-9300-2f51640e5b2a
>> > 2.2M /data
>> >
>> > [root at jmini08 ~]# zpool status
>> >   pool: data-pool
>> >  state: ONLINE
>> >   scan: none requested
>> > config:
>> >
>> > NAME        STATE     READ WRITE CKSUM
>> > data-pool   ONLINE       0     0     0
>> >  mirror-0  ONLINE       0     0     0
>> >    sda     ONLINE       0     0     0
>> >    sdb     ONLINE       0     0     0
>> >
>> > errors: No known data errors
>> >
>> > --
>> > urthmover
>> >
>> > On July 15, 2014 at 12:29:12 PM, urthmover (urthmover at gmail.com) wrote:
>> >>
>> >> All,
>> >> I have a storage domain that reports having 863G free.  The Total Space is 913G.  Currently, there are no virtual machines using this storage domain.  When I ssh into the host there is 2.2M on the top level of that mount according to du.  How do I account for and reclaim the mysterious space usage?
>> >>
>> >> --
>> >> urthmover
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