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04-08-2015 02:39 AM
04-08-2015 02:39 AM
See the size of a snapshot aka virtual copy
Hello 3par folks
Where can i see the size a snapshot has taken in the guu/cli?
I added all the collumns there are in thebut no entry shows any space taken. The snapshots are all 0.000 GiB in size. I created files, edited them and deleted some. But still no size difference shows in the last shapshot.
thanks for any help
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04-08-2015 03:47 AM
04-08-2015 03:47 AM
Re: See the size of a snapshot aka virtual copy
We use the 3par Management Console and the new Web base 3PAR StoreServ Management Console. But we cant see the size of a Snapshot in neither of those interfaces. Internet search did bring up following topic that did not solve the question:
http://3parug.com/viewtopic.php?f=18&t=186
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04-10-2015 02:03 AM
04-10-2015 02:03 AM
Re: See the size of a snapshot aka virtual copy
What CLI command did you use? showvv?
Did you change at least a MB?
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04-15-2015 11:57 PM
04-15-2015 11:57 PM
Re: See the size of a snapshot aka virtual copy
This is the output of the showvv command from the cli. We create snapshots every 2h and the system is full productive. So we have rround 100 virtual servers running on the 3par. There are constant modifications from Fileserver, SQL, Proxy, and so on...
STRZ1001 cli% showvv
------Rsvd(MB)------ --(MB)---
Id Name Prov Type CopyOf BsId Rd -Detailed_State- Adm Snp Usr VSize
1 .srdata full base --- 1 RW normal 0 0 61440 61440
0 admin full base --- 0 RW normal 0 0 10240 10240
17 SRRZ1TSM01_d tdvv base --- 17 RW normal 610 512 97135 204800
21 SRRZ1TSM01_g tdvv base --- 21 RW normal 13853 512 4639780 5721088
18 SRRZ1TSM01_h tdvv base --- 18 RW normal 1471 512 433693 563200
19 SRRZ1TSM01_i tdvv base --- 19 RW normal 851 512 224475 307200
20 SRRZ1TSM01_j tdvv base --- 20 RW normal 1916 512 570002 634880
16 SRRZ1TSM01_v tdvv base --- 16 RW normal 6025 512 1970023 2097152
3 VV_Test tpvv base --- 3 RW normal 256 512 22016 614400
22 VV_VMW_RZ1_DS01 tdvv base --- 22 RW normal 8532 20096 2296146 5242880
496 VV_VMW_RZ1_DS01.15.04-10.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
500 VV_VMW_RZ1_DS01.15.04-12.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
504 VV_VMW_RZ1_DS01.15.04-14.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
508 VV_VMW_RZ1_DS01.15.04-16.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
512 VV_VMW_RZ1_DS01.15.04-18.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
516 VV_VMW_RZ1_DS01.15.04-20.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
540 VV_VMW_RZ1_DS01.16.04-06.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
544 VV_VMW_RZ1_DS01.16.04-08.00 snp vcopy VV_VMW_RZ1_DS01 22 RW normal -- -- -- 5242880
23 VV_VMW_RZ1_DS02 tdvv base --- 23 RW normal 7119 29184 1814417 5242880
497 VV_VMW_RZ1_DS02.15.04-10.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
501 VV_VMW_RZ1_DS02.15.04-12.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
505 VV_VMW_RZ1_DS02.15.04-14.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
509 VV_VMW_RZ1_DS02.15.04-16.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
513 VV_VMW_RZ1_DS02.15.04-18.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
517 VV_VMW_RZ1_DS02.15.04-20.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
541 VV_VMW_RZ1_DS02.16.04-06.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
545 VV_VMW_RZ1_DS02.16.04-08.00 snp vcopy VV_VMW_RZ1_DS02 23 RW normal -- -- -- 5242880
24 VV_VMW_RZ2_DS01 tdvv base --- 24 RW normal 7000 512 2482088 5242880
25 VV_VMW_RZ2_DS02 tdvv base --- 25 RW normal 5615 512 1877744 5242880
205 VV_XEN_RZ1_DS01 tdvv base --- 205 RW normal 256 512 4096 1048576
206 VV_XEN_RZ1_DS02 tdvv base --- 206 RW normal 256 512 4096 204800
207 VV_XEN_RZ2_DS01 tdvv base --- 207 RW normal 128 512 512 1048576
-------------------------------------------------------------------------------------------------------------------
32 total 53888 55424 16507903 117373952
Another thing that seems very strange. Since we setup the snapshots, the size of the mainvolume is shown as 46TB. It summarizes its own size with all the snapshots taken (8x5TB + 5TB)
Can anyone from HP answer how we can see the size of a snapshot? We had an external 3Par engineer in the house, searched the documentation and the internet without any success.
Thanks
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04-16-2015 06:15 AM
04-16-2015 06:15 AM
Re: See the size of a snapshot aka virtual copy
VV_VMW_RZ1_DS01 is a thin dedup volume with a virtual size of 5 TiB. Of that, a little under 2.2 TiB is in use.
It has 8 virtual copies. Combined, they are using less than 20 GiB. You can not see the size of an individual snapshot.
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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04-16-2015 07:42 AM - edited 04-16-2015 07:43 AM
04-16-2015 07:42 AM - edited 04-16-2015 07:43 AM
Re: See the size of a snapshot aka virtual copy
Thank you very much for the clarification. Just for other users that might find this post in the future. You can see the combined size of all the snapshot in the 3par interface under Provisioning -> Virtual Volumes -> Right klick on the collumns on the top -> Show -> Raw Reserved Copy Size