cancel
Showing results for 
Search instead for 
Did you mean: 

Windows Multi data streams backup for the same windows drive letter

Mahmoud_Moussa
Level 5
Partner

I have a simple question which I couldn't reach any answer for it

I understand that during the windows backup policy which has Allow multiple data streams configured a specific backup job will be created for each drive letter 
for example if we have 3 drive : C & D & E 
Three backup jobs will be initiated for each drive 

but what is I have only one drive and I still want to benefit from the multiple data streams option , Can I put in the selection list each of the folders or directories created under this drive and then a specific backup job will be initiated for each directory or folder ?!!!

Appreciate your answer

2 ACCEPTED SOLUTIONS

Accepted Solutions

RamNagalla
Moderator
Moderator
Partner    VIP    Certified

Hello,

yes you can do it to trigger mulitple streams for single drive, however it will be static, if someone create another direcory in drive, it will not be included in backups, as you would be specifiy each directory specifically.

in alternate way  you can try using wildcards, like C:\*, it will include all directories and trigger seperate job and each and every file and directory in C. in this approach you need to make sure lot of directories/files are not created in C:/ to avoid too many jobs,

View solution in original post

Marianne
Moderator
Moderator
Partner    VIP    Accredited Certified

Multistreaming on a single drive (single spindle) is never a good idea.

We had great success splitting up a big raid5 lun into multiple streams (data not on single physical drive):
NEW_STREAM
X:\users\a*
X:\users\b*
X:\users\c*
X:\users\d*
X:\users\e*
NEW_STREAM
X:\users\f*
X:\users\g*
X:\users\h*
X:\users\i*
X:\users\j*
X:\users\k*
NEW_STREAM
X:\users\l*
X:\users\m*
X:\users\n*
X:\users\o*
X:\users\p*

......


It took a couple of weeks to balance out the streams, but to cut a long story short, 72 hours of backing up drive X was cut down to about 12 hours.

Again - NOT recommended for single physical drive (such as c-drive).

View solution in original post

3 REPLIES 3

RamNagalla
Moderator
Moderator
Partner    VIP    Certified

Hello,

yes you can do it to trigger mulitple streams for single drive, however it will be static, if someone create another direcory in drive, it will not be included in backups, as you would be specifiy each directory specifically.

in alternate way  you can try using wildcards, like C:\*, it will include all directories and trigger seperate job and each and every file and directory in C. in this approach you need to make sure lot of directories/files are not created in C:/ to avoid too many jobs,

Marianne
Moderator
Moderator
Partner    VIP    Accredited Certified

Multistreaming on a single drive (single spindle) is never a good idea.

We had great success splitting up a big raid5 lun into multiple streams (data not on single physical drive):
NEW_STREAM
X:\users\a*
X:\users\b*
X:\users\c*
X:\users\d*
X:\users\e*
NEW_STREAM
X:\users\f*
X:\users\g*
X:\users\h*
X:\users\i*
X:\users\j*
X:\users\k*
NEW_STREAM
X:\users\l*
X:\users\m*
X:\users\n*
X:\users\o*
X:\users\p*

......


It took a couple of weeks to balance out the streams, but to cut a long story short, 72 hours of backing up drive X was cut down to about 12 hours.

Again - NOT recommended for single physical drive (such as c-drive).

Thanks a lot for your assistance
Your answers were exactly what I was looking for