[linux-lvm] Suggested Kernel and LVM version for production storage

Alasdair G Kergon agk at redhat.com
Thu Sep 2 17:56:54 UTC 2004

On Sun, Aug 29, 2004 at 11:37:06AM +0300, Yedidia Klein wrote:
> Sometimes I'm getting the following errors, and get all my LVM 
> FileSystem Blocked .. (mean I can't access the files on these partitions 
> and have to reboot for getting access again)
>    Aug 26 01:00:02 nazir kernel: device-mapper: 
>                          Unable to allocate hash table space 

i.e. There wasn't enough memory available to set up the snapshot.
What sizes:  How big is the LV & snapshot? 
What chunk size?  [Try changing.]
Is there just one snapshot?
Check your memory usage.

agk at redhat.com

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