Improving ext4: bigalloc, inline data, and metadata checksums

Posted Nov 30, 2011 8:57 UTC (Wed) by Cato (guest, #7643)
In reply to: Improving ext4: bigalloc, inline data, and metadata checksums by pr1268
Parent article: Improving ext4: bigalloc, inline data, and metadata checksums

It can be difficult to ensure that writes are getting to disk through caches in the hard disk and kernel (write barriers etc), particularly when using LVM. Turning off hard disk write caching may be necessary in some cases.

This may help: http://serverfault.com/questions/279571/lvm-dangers-and-c...