>-----Original Message-----
>From: Les Mikesell [mailto:lesmikesell AT gmail DOT com]
>Sent: Wednesday, May 12, 2010 3:13 PM
>To: sorin.srbu AT orgfarm.uu DOT se; General list for user discussion,
>questions
and
>support
>Subject: Re: [BackupPC-users] [Solved] Slow web-GUI access
>
>
>> What is a small number of drives? I have three identical 500GB Seagates
of the
>> SATA2 variety, all bought new late last year, so I'm assuming fairly
modern as
>> well.
>
>Something less than a dozen is a small number. With 3, every write is
going to
>require every disk head to seek and you'll wait until the slowest one
completes
>before the next operation.
We seem to be on different scales here. ;-) My biggest array is a six-disk
Dell PE...
>> The backup of the linux machines here, is for the most part hundreds of
>> thousands of really small files, like in the 10-100kB-range. Could this
be a
>> reason for slowness?
>
>They would, but only if the heads are off seeking through them. If backups
>aren't active, the web interface doesn't have to access that much and
should
>still be fairly fast. If you are competing with a running backup it would
slow
>down.
So a small number of drives, having a nearly completely filled pool, huge
backups that go well into the blackout-period (when I might want to check
and possibly restore stuff) and plenty of small files all spells (more or
less) slowness and potential disaster then?
--
/Sorin
smime.p7s
Description: S/MIME cryptographic signature
------------------------------------------------------------------------------
_______________________________________________
BackupPC-users mailing list
BackupPC-users AT lists.sourceforge DOT net
List: https://lists.sourceforge.net/lists/listinfo/backuppc-users
Wiki: http://backuppc.wiki.sourceforge.net
Project: http://backuppc.sourceforge.net/
|