[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync.
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync. |
Date: |
Thu, 28 Apr 2011 16:42:20 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 |
Am 28.04.2011 15:46, schrieb Jes Sorensen:
> On 04/28/11 15:41, Kevin Wolf wrote:
>>>> Finally, what's the expect behavior when -snapshot is used? I'm getting
>>>>>> this:
>>>>>>
>>>>>> (qemu) snapshot_blkdev ide0-hd0 snap-test
>>>>>> Could not open '/tmp/vl.6w8YXA'
>>>>>> (qemu)
>>>>
>>>> What type of file system is your /tmp? You need to provide full path to
>>>> the snapshot file if you don't want it created next to where your qemu
>>>> binary is being executed.
>> I think the problem is that this is a temporary file, i.e. unlinked
>> directly after it has been opened. Trying to reopen a deleted file is a
>> bad idea.
>
> True, but if /tmp is tmpfs, it isn't possible to open things O_DIRECT,
> which could also be the source of the problem here.
Not really, -snapshot is very clearly the problem here. Note that what's
failing here is not opening the new snapshot but the old temporary image
created by -snapshot.
Kevin
- [Qemu-devel] [PATCH v2 0/1] Add QMP bits for blockdev-snapshot-sync., Jes . Sorensen, 2011/04/18
- [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes . Sorensen, 2011/04/18
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Luiz Capitulino, 2011/04/27
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Kevin Wolf, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync.,
Kevin Wolf <=
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Luiz Capitulino, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Anthony Liguori, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Anthony Liguori, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Anthony Liguori, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Anthony Liguori, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Jes Sorensen, 2011/04/29