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Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync.
From: |
Jes Sorensen |
Subject: |
Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync. |
Date: |
Thu, 28 Apr 2011 16:41:34 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Fedora/3.1.9-0.39.b3pre.fc14 Thunderbird/3.1.9 |
On 04/28/11 16:42, Kevin Wolf wrote:
>>>>> 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.
Sorry you are losing me here - why would reopening the old image fail?
And if it fails, why does it have such a bizarre name in Luiz's case?
Jes
- [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, 2011/04/28
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync.,
Jes Sorensen <=
- 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
- Re: [Qemu-devel] [PATCH v2 1/1] Add QMP bits for blockdev-snapshot-sync., Anthony Liguori, 2011/04/29