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 Post subject: Rebalance admin vv
PostPosted: Wed Sep 07, 2022 2:37 pm 

Joined: Tue Mar 10, 2020 2:10 pm
Posts: 4
Hi,

I previously had 8 disks in a 7400 2 node 3par (no cages) and have now added 16 new disks to it.

There a currently no other vv's on the system, only admin and .srdata.

I tried to rebalance the chunklets with tunesys to distribute them evenly across the disks.
It seems to have worked for the .srdata vv:

showvvpd .srdata
Id Cage_Pos SA SD usr total
0 0:0:0 0 0 6 6
1 0:1:0 0 0 6 6
2 0:2:0 0 0 6 6
3 0:3:0 0 0 6 6
4 0:4:0 0 0 6 6
5 0:5:0 0 0 6 6
6 0:6:0 0 0 6 6
7 0:7:0 0 0 6 6
8 0:8:0 0 0 3 3
9 0:9:0 0 0 3 3
10 0:10:0 0 0 3 3
11 0:11:0 0 0 3 3
12 0:12:0 0 0 3 3
13 0:13:0 0 0 3 3
14 0:14:0 0 0 3 3
15 0:15:0 0 0 3 3
16 0:16:0 0 0 3 3
17 0:17:0 0 0 3 3
18 0:18:0 0 0 3 3
19 0:19:0 0 0 3 3
20 0:20:0 0 0 3 3
21 0:21:0 0 0 3 3
22 0:22:0 0 0 3 3
23 0:23:0 0 0 3 3
---------------------------
24 total 0 0 96 96


But the admin vv still seems to be only on the previous 8 disks:

showvvpd admin
Id Cage_Pos SA SD usr total
0 0:0:0 0 0 4 4
1 0:1:0 0 0 4 4
2 0:2:0 0 0 2 2
3 0:3:0 0 0 2 2
4 0:4:0 0 0 1 1
5 0:5:0 0 0 2 2
6 0:6:0 0 0 2 2
7 0:7:0 0 0 3 3
---------------------------
8 total 0 0 20 20

Is this normal behaviour, or can I force the system to rebalance the admin vv across all 24 disks?

Thanks


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 Post subject: Re: Rebalance admin vv
PostPosted: Thu Sep 08, 2022 6:41 am 

Joined: Mon Sep 21, 2015 2:11 pm
Posts: 1416
Location: Europe
you could try "showldmap admin" and tune the individual LDs.

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