Re: [Xen-devel] Xen 4.3 xl migrate " htree_dirblock_to_tree" on second host

["Mike C." <miguelmclara@xxxxxxxxx>]

Makes sense...

Is there documentation about xl migrate and xl remus?

Say I want to migrate a host but first pause it?

I could also snapshot the lvm but that doesn't save the memory and the domain would have to be offline.

So if I want to migrate but don't have shared storage, what's the best approach drdb?

Thanks

On February 3, 2014 10:17:04 AM GMT, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:

On Sat, 2014-02-01 at 01:32 +0000, Miguel Clara wrote:
 I'm testing live migration without shared storage (I use LVM at both sides)
 
 
 Issuing "xl migrate" worked nice and the machine was migrated to the second host
 
 However I see this in the second host log:
 
 [ 1502.563251] EXT4-fs error (device xvda1):
 htree_dirblock_to_tree:892: inode #136303: block 533250: comm
 run-parts: bad entry in directory: rec_len is smaller than minimal -
 offset=0(0), inode=0, rec_len=0, name_len=0
 Jan 31 17:17:01 remus-test kernel: [ 1502.563251] EXT4-fs error
 (device xvda1): htree_dirblock_to_tree:892: inode #136303: block
 533250: comm run-parts: bad entry in directory: rec_len is smaller
 than minimal - offset=0(0), inode=0, rec_len=0, name_len=0
 
 I also get errors
like:
 -bash: /bin/ping: cannot execute binary file
 
 Is this to be expect on using none shared storage?

Yes. If the underlying disk is not the same device between both hosts
then all bets are off and all sorts of bad things will be happen. Think
about it -- what would you expect to happen to an OS if a disk suddenly
started returning completely different data to what was written to it.

What you have seen seems like a plausible outcome.

Ian.

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel