ADSM-L

Re: [ADSM-L] mediawait during backup to disk

2010-04-30 11:15:51
Subject: Re: [ADSM-L] mediawait during backup to disk
From: "Allen S. Rout" <asr AT UFL DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 30 Apr 2010 11:14:40 -0400
>> On Fri, 30 Apr 2010 11:07:35 -0400, Keith Arbogast <warbogas AT INDIANA DOT 
>> EDU> said:

> What does it mean when a node incurs mediawait during a backup to
> disk?

It means that the process was blocking on disk writes.

Your disk (usually) can't write as fast as your various networks can
pass you data.  So there's some fraction of media wait, on a fine
granularity.


- Allen S. Rout