Total diskspace used by policies differs from total used space on appliance

Question

We have an issue where we are running out of disk space on our Netbackup appliance 5230 running version 2.6.1.1, and I'm looking for ways to free up some disk space.

I used OpsCenter to run a report for "Policy Summary Dashboard" for the last 2 months (we have 2 months retention on disk backups). When I summarized the size for all the policies I ended up with 82TB used space. However when I check in the diskpool in the Netbackup admin console it shows 113TB used space.

If I run df -h on the appliance it shows the output below. I was thinking about the "/msdp/data/dp1/1pdvol"-pool is there anything unnormal about that being present? The size of that pool is pretty much the size-difference between total policy size and used space shown in the Netbackup console. Is there any way to free up that disk space, or is it supposed to be like this?

&nbsp;

Filesystem&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Size&nbsp; Used Avail Use% Mounted on
	/dev/mapper/system-root
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 92G&nbsp;&nbsp; 52G&nbsp;&nbsp; 36G&nbsp; 59% /
	udev&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 63G&nbsp; 1.3M&nbsp;&nbsp; 63G&nbsp;&nbsp; 1% /dev
	tmpfs&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 63G&nbsp;&nbsp; 76K&nbsp;&nbsp; 63G&nbsp;&nbsp; 1% /dev/shm
	/dev/sda2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 198M&nbsp;&nbsp; 28M&nbsp; 160M&nbsp; 15% /boot
	/dev/mapper/system-inst
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 50G&nbsp;&nbsp; 28G&nbsp;&nbsp; 20G&nbsp; 59% /inst
	/dev/mapper/system-log
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 184G&nbsp; 111G&nbsp;&nbsp; 64G&nbsp; 64% /log
	/dev/mapper/system-rep
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 248G&nbsp;&nbsp; 69G&nbsp; 167G&nbsp; 30% /repository
	/dev/mapper/system-rescue
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9.7G&nbsp; 5.6G&nbsp; 3.6G&nbsp; 62% /repository/checkpoints/appliance_checkpoint_xQQBoq
	tmpfs&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4.0K&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp; 4.0K&nbsp;&nbsp; 0% /dev/vx
	/dev/vx/dsk/nbuapp/cfgvol
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 25G&nbsp;&nbsp; 15G&nbsp;&nbsp; 11G&nbsp; 59% /config
	/dev/vx/dsk/nbuapp/advol
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4.6T&nbsp; 467M&nbsp; 4.5T&nbsp;&nbsp; 1% /advanceddisk/dp1/advol
	/dev/vx/dsk/nbuapp/pdvol
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 107T&nbsp;&nbsp; 81T&nbsp;&nbsp; 25T&nbsp; 77% /msdp/data/dp1/pdvol
	/dev/vx/dsk/nbuapp/2pdvol
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.0T&nbsp; 2.7T&nbsp; 235G&nbsp; 93% /msdp/data/dp1/2pdvol
	/dev/vx/dsk/nbuapp/1pdvol
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 32T&nbsp;&nbsp; 30T&nbsp; 2.6T&nbsp; 93% /msdp/data/dp1/1pdvol
	/dev/vx/dsk/nbuapp/pdcatvol
	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 450G&nbsp; 6.9G&nbsp; 440G&nbsp;&nbsp; 2% /msdp/cat

riaanbadenhorst · Answer

Hi,

&nbsp;

The math on this doesn't apply unless this is the first two months of operation for this appliance.

&nbsp;

"I used OpsCenter to run a report for "Policy Summary Dashboard" for the last 2 months (we have 2 months retention on disk backups). When I summarized the size for all the policies I ended up with 82TB used space. However when I check in the diskpool in the Netbackup admin console it shows 113TB used space."&nbsp;

&nbsp;

The calculation above is adding up all the dedupe data for 2 months but on the appliance&nbsp;you'll be hosting the "base" data as well. Which is a full copy.....

&nbsp;

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Total diskspace used by policies differs from total used space on appliance

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