答复: xfs_freeze

[Eric Sandeen]

I don't know what might cause this; you may have to do some tracing
to find out who is returning -EBUSY.

-Eric

On 6/19/14, 10:08 PM, 陈文东 wrote:
> Hi：
> 
> 
> [root at localhost ~]# 
> [root at localhost ~]# mount -t xfs /dev/lvm_vg/lvm_lv /nas/
> [root at localhost ~]# lvcreate  -s -L 40M -n cwd  /dev/lvm_vg/lvm_lv
>   Rounding up size to full physical extent 48.00 MiB
>   device-mapper: suspend ioctl on  failed: Device or resource busy
>   Unable to suspend lvm_vg-lvm_lv (253:0)
>   Failed to suspend origin lvm_lv
> [root at localhost ~]#
> 
> 
> What freezing ？
> -----邮件原件-----
> 发件人: Eric Sandeen [mailto:sandeen at sandeen.net] 
> 发送时间: 2014年6月19日 23:31
> 收件人: Emmanuel Florac; 陈文东
> 抄送: xfs at oss.sgi.com
> 主题: Re: xfs_freeze
> 
> On 6/19/14, 3:48 AM, Emmanuel Florac wrote:
>> Le Thu, 19 Jun 2014 06:46:26 +0000 vous écriviez:
>>
>>> What Would  Xfs Snapshot Do?
>>>
>>> Xfs_freeze 
>>
>> Apparently you should not run xfs_freeze first. Try "lvcreate -s"
>> directly.
>>
>> regards,
>>
> 
> that's correct, lv snapshots do their own freezing.
> 
> -Eric
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