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StreamingDir subfolders on different drives?
StreamingDir subfolders on different drives?
Running WSM 4.0.1, single standalone server (Win Server 2008), serving 2 XP-based, volatile cache OS images to two device groups (17 clients in Group 1, 8 clients in Group 2).
Our IT department is looking at configuring a RAID 5 array in our WSM server. I have read in the Sizing/Planning guide that while a RAID setup can improve read speeds, it can negatively impact speeds when writing.
My question: is it possible to locate the 'osimages' folder on the RAID drive, and locate the 'writecache' folder on a non-RAID drive? Or, do both folders have to be located in the same 'StreamingDir' folder?
If it isn't possible to 'split' the folders, should we avoid implementing a RAID array, and just stick with having the whole StreamingDir folder on a non-RAID drive?
syed20
2 Posts
0
June 4th, 2015 03:00
The transfer will be skipped if the name is the same and the CRC Check is successfull.
It is the same logic as deploying Images to Edge servers from an USB Stick and not doing the copy over the network: if the file in the disk has the same name, copy will be skipped and CRC will kick in immidiately.
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mhaase-2015
200 Posts
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June 4th, 2015 03:00
By design Application and OS Images and related write cache files are all at one place to ensure best performance while streaming to an endpoint and I recommend to stay with this.
If your IT wants to deploy a RAID, it should be a RAID 0 or 10, but not a RAID 5 as is has somewrite penalies.
Another option is to relocate the StreamingDIR to a SAN or iSCSI storage but then you will have to reconfigure some of the services to run with the credentials of an user which has the approriate permisstions to read/write to this this in case the disk is not mapped as a local disk in the Server's OS.
wlgreg
9 Posts
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June 4th, 2015 03:00
Thanks for the speedy and informative reply! I really appreciate it!