FC5: "ext_attr" and "large_file" features for ext3 file systems ???

Digvijoy Chatterjee digvijoy_chatterjee at infosys.com
Wed Mar 29 05:55:08 UTC 2006


ext_attr , is for extendended attributes , things like access control
are not part of an ext3 FS by default ,if you want acl ,then the
ext_attr feature will tell you.

large_file is for files beyond 2TB ,but when it swtiches on
automatically , i have no idea..

Digz


On Tue, 2006-03-28 at 13:52 -0800, Robinson Tiemuqinke wrote:
> Hi,
> 
>  Fedora Core ext3 file systems newbie questions:
> 
>  Just interested in the Linux ext3 features but got
> confused with "large_file" and "ext_attr".
> 
>  First, what's the "large_file" feature REALLY means?
> For file systems created with same commands and
> options some file systems have it on while some not.
> It is said that the feature is automatic -- If there
> is a large file then it is lit on otherwise it is off.
> Then, what's the size of "large file" to light this
> feature on? 2GB, or 2TB? or varies with the kernel
> version?
> 
>  Second, the "ext_attr" feature seems another
> automatic one: it only appears after the first
> "setfacl" command runs on the file system and then the
> feature will keep on there forever even ACL is
> removed. What's the indication of "ext_attr" feature
> and what are the reasons behind to have this feature?
> 
> Thanks a lot.
> 
> 
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam protection around 
> http://mail.yahoo.com 
> 
> _______________________________________________
> Ext3-users mailing list
> Ext3-users at redhat.com
> https://www.redhat.com/mailman/listinfo/ext3-users


**************** CAUTION - Disclaimer *****************
This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system.
***INFOSYS******** End of Disclaimer ********INFOSYS***




More information about the Ext3-users mailing list