UNSOLVED
N
navishpere
14 Posts
0
843
October 25th, 2010 18:00
SRDF/A (STD-BCV-STD)
Good day EMC Timefinder Gurus,
I will brief about my environment and the approach I am going to. please advice if there is any other way and correct me if I am wrong.
I have 2 sites (Production & DR+Test+Development).
- DMX4 both sides. (50 KM apart)
- SRDF/A between those two sites
- Timefinder/Clone from R2 RDF devices (STD to STD)
- 14 environemnts based in AIX platforms.
at this moment:
I am using SRDF/A. then using a symclone (create -precopy -diff options) to 8 environments.
in order to clone to others, I need to terminate some of the 8 clones.
however, I don’t want to do that, this is to keep all environments ready as fast as I can.
so, after searching the forums + powerlink help. I thought of doing the below approach (which I need your help in if it is a good one or not)
What will do:
- keep SRDF/A as is. from there I will have my STD devices ready and synched.
- create two device groups with BCV devices instead of STD "clone from the R2 RDF devices". (so I don’t terminate any cloning "BCV devices allow that only temporary stopping" nor split the SRDF "with the precopy option")
- create 14 device groups with STD using TimeFinder/Clone BCV to STD.
What do you think? and would that be consistent for the 14 environments.
how would I go from there to better adjust the setup?
looking forward for your responds and suggestion.
Regards,
Rida
sauravrohilla
859 Posts
431
0
Posted October 25th, 2010 21:00
I think Snap wont work on R2 devices in SRDF/A.
navishpere
14 Posts
431
0
Posted October 26th, 2010 02:00
dynamoxdynamox,
thank you for the reply, I am using Timefinder clone as of now and a Full copy is more likely to be used instead of CopyOnAccess.
TF/Snap wont work with the precopy option. meaning I need to split the SRDF to use the R2 devices, correct?
my goals,
- have a Full copy
- no split of SRDF (I can achieve this by doing a -precopy option)
- Copy from Target device without terminating (I can achive this by BCV)
P.S: I see your answer has excluded the BCV option, is there a reason?
i believe with TImeFinder Mirror (real BCVs not RAID5) you will run into mirror position limitation. How about doing a clone restore to another set of devices, it's always going to be a full restore but at least you don't have to terminate your existing clone sessions.
navishpere
14 Posts
431
0
Posted October 26th, 2010 06:00
hmmm Clone Restore? I will search about it.
but just a hint for me... can I do recreate on the clone restore? like "symclone -f file -recreate -copy"??
a fresh created clone copy take 4 hours to 100% complete. but with the recreate option I am within 30 minutes range. that is why I was thinking about BCV.
navishpere
14 Posts
431
0
Posted October 26th, 2010 15:00
Thank you,
I will take your suggestion into consideration and plan my environments with BCV or Snaps. and will feed the output.
while doing so, I do welcome any other suggestions or some live experinces by SRDF + Timefinder users.
Regards,
dynamox
11 Legend
•
20419 Posts
•
87439 Points
431
0
Posted October 25th, 2010 21:00
so you want to use BCV instead of regular devices to pair with you R2 ? You can have more copies of R2 with TimeFinder Clone (16 copies - with 8 copy and 8 copyOnAccess) than Timefinder BCV. Have you considered TImeFinder/Snap ? There you can have up to 14 snapshots, you do have to understand how it works and if it's going to work for your business.