I can scp a 5GB Volume from one system to another in about 90 seconds. Why does that take the SD 8-10 minutes to do the same?
The two systems are on the same 1Gb/s network. We are copying from HDD local to SSD remote. I'm running a copy job, from disk on one SD to tape on another SD. Data spooling is enabled. The full job can be seen here https://gist.github.com/dlangille/210fd8a8c3418f9004f6 <https://gist.github.com/dlangille/210fd8a8c3418f9004f6> : 15-Feb 13:32 crey-sd JobId 231187: Forward spacing Volume "FullAuto-3531" to file:block 0:216. 15-Feb 13:41 crey-sd JobId 231187: End of Volume at file 1 on device "vDrive-0" (/usr/local/bacula/volumes), Volume "FullAuto-3531" 15-Feb 13:41 crey-sd JobId 231187: Ready to read from volume "FullAuto-3534" on file device "vDrive-0" (/usr/local/bacula/volumes). 15-Feb 13:41 crey-sd JobId 231187: Forward spacing Volume "FullAuto-3534" to file:block 0:216. 15-Feb 13:51 crey-sd JobId 231187: End of Volume at file 1 on device "vDrive-0" (/usr/local/bacula/volumes), Volume "FullAuto-3534" 15-Feb 13:51 crey-sd JobId 231187: Ready to read from volume "FullAuto-3582" on file device "vDrive-0" (/usr/local/bacula/volumes). 15-Feb 13:51 crey-sd JobId 231187: Forward spacing Volume "FullAuto-3582" to file:block 0:216. 15-Feb 13:59 crey-sd JobId 231187: End of Volume at file 1 on device "vDrive-0" (/usr/local/bacula/volumes), Volume "FullAuto-3582" 15-Feb 13:59 crey-sd JobId 231187: Ready to read from volume "FullAuto-3594" on file device "vDrive-0" (/usr/local/bacula/volumes). 15-Feb 13:59 crey-sd JobId 231187: Forward spacing Volume "FullAuto-3594" to file:block 0:218. Each volume is 5G and it's taking the SD nearly three times longer than scp to transfer. $ ls -l FullAuto-3531 FullAuto-3534 FullAuto-3582 FullAuto-3594 -rw-r----- 1 bacula bacula 5368688762 Feb 7 03:26 FullAuto-3531 -rw-r----- 1 bacula bacula 5368688716 Feb 7 03:29 FullAuto-3534 -rw-r----- 1 bacula bacula 5368688096 Feb 7 04:29 FullAuto-3582 -rw-r----- 1 bacula bacula 5368688834 Feb 7 04:31 FullAuto-3594 This is the device in use: Device { Name = vDrive-0 Media Type = File Archive Device = /usr/local/bacula/volumes LabelMedia = yes Random Access = yes AutomaticMount = yes RemovableMedia = no AlwaysOpen = no Autochanger = yes Drive Index = 0 Maximum Concurrent Jobs = 1 Volume Poll Interval = 15 } -- Dan Langille - BSDCan / PGCon d...@langille.org
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