Hi. Can you explain to me: 1. dataset has ''sync=always'' I start write to file on this dataset in no-sync mode: system write file in sync or async mode? 2. dataset has ''sync=disabled'' I start write to file on this dataset in sync mode: system write file in sync or async mode? Thanks. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20100828/f84a9832/attachment.html>
Robert Milkowski
2010-Aug-28 17:23 UTC
[zfs-discuss] ''sync'' properties and write operations.
On 28/08/2010 09:55, eXeC001er wrote:> Hi. > > Can you explain to me: > > 1. dataset has ''sync=always'' > > I start write to file on this dataset in no-sync mode: system write > file in sync or async mode? >sync> 2. dataset has ''sync=disabled'' > > I start write to file on this dataset in sync mode: system write file > in sync or async mode? >async The sync property takes an effect immediately for all new writes even if a file was open before the property was changed. -- Robert Milkowski http://milek.blogspot.com