Author: "Leiss, Jeffrey" <Jeff.Leiss AT NWDC DOT NET>
Date: Tue, 9 Oct 2007 23:05:12 -0700
The most I have been able to get is 160 MB/s with no backups running writing to 5 LTO2 drives, as soon as backups stat kicking off the performance goes down incrementally. Is there a method to get fu
Author: Fazil Saiyed <fazil.saiyed AT ANIXTER DOT COM>
Date: Wed, 10 Oct 2007 09:13:08 -0400
Hello, I am not clear on how you have determined the speed, i.e while backups running & cloning ongoing ? How is your backup enviroment configured, do you have any existing storage node, what is the
Author: "McLeavey, Ian" <Ian.McLeavey AT BDK DOT COM>
Date: Wed, 10 Oct 2007 09:12:18 -0400
What server hardware are you using , how many Fiber Cards etc... Ian. Ian Mcleavey Manager - Global Enterprise Storage *(410)-716-3411 * (410)-716-2656 *(717)-676-0733 *Ian.mcleavey AT bdk DOT com --
Author: "Leiss, Jeffrey" <Jeff.Leiss AT NWDC DOT NET>
Date: Wed, 10 Oct 2007 08:36:06 -0700
Sun Solaris 10 box with no SN's. Has about 65 CDL drives and 5 LTO2 drives which are used for cloning only. When backup are none or minimal, I see around 160 MB/s between the 5 drives, when box is lo
Author: Fazil Saiyed <Fazil.Saiyed AT ANIXTER DOT COM>
Date: Wed, 10 Oct 2007 11:37:23 -0500
Hello, Talk to your Local EMC rep, i believe recent CDL's come with built in cloning SN licence, if you are not already using this capability then you should. Take a look at your SAN and server perfo
Author: Curtis Preston <cpreston AT GLASSHOUSE DOT COM>
Date: Wed, 10 Oct 2007 13:32:38 -0400
While a CDL can be configured to have 65 virtual drives, if you're using all 65 virtual drives at the same time, that could be your problem. I'd suggest that you are possibly thrashing your disk arra
At 65 drives you are probably suffering major cpu resource issues. You may want to throttle back to between 40-45 drives and check your performance stats again. Throughput will also be greatly affect
Author: Terry Lemons <lemons_terry AT EMC DOT COM>
Date: Wed, 10 Oct 2007 16:18:42 -0400
Hi Talk to your Local EMC rep, i believe recent CDL's come with built in cloning SN licence, if you are not already using this capability then you should. -- One point of clarification: EMC Disk Libr
Author: Terry Lemons <lemons_terry AT EMC DOT COM>
Date: Wed, 10 Oct 2007 16:33:44 -0400
Hi I'd like to build on the great start made by Curtis and Vernon with a few additional thoughts: - make sure you are spreading the backup streams entering the EMC Disk Library across the available '