Agreed sas drives are the way to go, just built a backup server with
10 300gb sas running in a raid 50, going to hopefully replace 2 backup
servers that were using SATA storage.



On Thu, Dec 31, 2009 at 7:57 AM, Stephen Vaughan
<stephenvaughan AT gmail DOT com> wrote:
> Consider looking at SAS drives..
>
> On Thu, Dec 31, 2009 at 7:47 PM, Peter Vratny <usenet2006 AT server1 DOT at> 
> wrote:
>>
>> Gerald Brandt wrote:
>> > How many servers and how much data do you backup using BackupPC?
>>
>> There are 89 hosts that have been backed up, for a total of:
>> * 580 full backups of total size 5596.07GB (prior to pooling and
>> compression),
>> * 529 incr backups of total size 943.57GB (prior to pooling and
>> compression).
>>
>> Except 2 or 3 these are all Linux Servers. We use a Dell PE840 with 8GB
>> RAM and a RAID-10 (md) of 4 1TB SATA Disks. Right now we are running
>> into performance troubles (backuptimes getting > 1 day)
>>
>> Most of the times, the performace bottleneck is the disk-speed (we ve
>> got large amount of small files). Raid-10 did its thing but now we
>> reached the end again, see the i/o wait:
>>
>> http://blackdog.ps1.at/~peter/pics/backup/pun1/
>>
>> ys
>> Peter
>>
>> --
>> "Wer nichts zu verbergen hat, hat bereits alles verloren"
>> http://klicklich.at
>>
>>
>>
>> ------------------------------------------------------------------------------
>> This SF.Net email is sponsored by the Verizon Developer Community
>> Take advantage of Verizon's best-in-class app development support
>> A streamlined, 14 day to market process makes app distribution fast and
>> easy
>> Join now and get one step closer to millions of Verizon customers
>> http://p.sf.net/sfu/verizon-dev2dev
>> _______________________________________________
>> 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/
>
>
>
> --
> Best Regards,
> Stephen
>
> ------------------------------------------------------------------------------
> This SF.Net email is sponsored by the Verizon Developer Community
> Take advantage of Verizon's best-in-class app development support
> A streamlined, 14 day to market process makes app distribution fast and easy
> Join now and get one step closer to millions of Verizon customers
> http://p.sf.net/sfu/verizon-dev2dev
> _______________________________________________
> 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/
>
>



-- 
43.036801, -78.948532

------------------------------------------------------------------------------
This SF.Net email is sponsored by the Verizon Developer Community
Take advantage of Verizon's best-in-class app development support
A streamlined, 14 day to market process makes app distribution fast and easy
Join now and get one step closer to millions of Verizon customers
http://p.sf.net/sfu/verizon-dev2dev 
_______________________________________________
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/