Re: ADSM client "sleeping" during backup
1997-02-28 11:26:07
I have also resorted to opening the GUI interface and running a manual
incremental on one file system at a time to find out where the problem
is.
>----------
>From: Richard Sims[SMTP:rbs AT bu DOT edu]
>Sent: Friday, February 28, 1997 10:37 AM
>To: ADSM-L AT vm.marist DOT edu
>Subject: Re: ADSM client "sleeping" during backup
>
>> From 20:53 until 3:49, we got nothing done. But MeasureWare shows that
>> dsmc cpu utilization was nearly 100% during that time. (There is other
>> work running on the machine, after all!)
>>
>> This happens every night on this system.
>>
>> Any ideas about what could be causing this aberrant behavior?
>
>This kind of behavior during backup is typically a function of the structure
>and
>content of the client file system. Remember that the client first asks the
>server for the details on all relevant files previously backed up, and then
>it is
>up to the client to run through its file system comparing files against this
>list
>so as to determine if the file needs to be backed up. If the dsmc is getting
>mired in doing this, it's worth checking the file system for links and mounts
>which may cause redundant/wasteful path traversals. If you know when this
>started
>you can try to identify any system change which might contribute to this.
>In any case it's worth looking over any client's file system structure from
>time
>to time to identify irregularities which can throw off any function which is
>walking the file system. Richard Sims, Boston University OIT
>
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