[CentOS] unable to umount

[J Martin Rushton]

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Resent after apparent failure to deliver.

On 22/02/15 14:51, J Martin Rushton wrote:
> 
> 
> On 22/02/15 14:19, Leon Fauster wrote:
>> Hi,
> 
>> on an EL5 XEN DOM0 system I have following volume
> 
>> $ df -h /srv Filesystem            Size  Used Avail Use% Mounted 
>> on /dev/sdc1             917G  858G   60G  94% /srv
> 
>> that partition was used by virtual machines but they were all 
>> halted.
> 
>> service xendomains stop
> 
>> $ xm list Name                                      ID Mem(MiB) 
>> VCPUs State   Time(s) Domain-0
>> 0 3000     2 r-----    695.1
> 
>> $ service xend stop
> 
> 
>> nothing is using the partition $ lsof |grep srv <empty>
> 
> Run as root: # lsof +D /srv
> 
> 
>> $ fuser -m /srv <empty>
> 
> 
> Again, run this as root.  Compare (test example from my system): $
> fuser -m /boot 2>/dev/null | wc 0      44     264 # fuser -m /boot
> 2>/dev/null | wc 0     223    1338
> 
> That's 180 processes I'd miss as an ordinary user.
> 
>> $ fuser -km /srv <empty>
> 
> 
>> but i can not umount /srv
> 
>> $ umount /srv umount: /srv: device is busy umount: /srv: device
>> is busy
> 
> 
> I'm sure you've checked, but where is your PWD?
> 
> 
>> what could keeping the device "busy" ... ?
> 
>> __ Thanks,
> 
>> LF
> 
> 
>> _______________________________________________ CentOS mailing 
>> list CentOS at centos.org 
>> http://lists.centos.org/mailman/listinfo/centos
> 
> 
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