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3par balancing disks https://3parug.com/viewtopic.php?f=18&t=3455 |
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Author: | terminus [ Thu Jul 30, 2020 3:43 am ] | ||
Post subject: | 3par balancing disks | ||
hello so 3par 8400 2 nodes HPE 3PAR OS version Current 3.3.1.410 (MU2)+P32,P40,P45,P51,P52,P76,P80,P90,P93,P96,P111,P113,P115,P127 - the disks have an uneven distribution of disk space for example 2020-07-30 11:08:25 MSK Updated PD 4 Devtype FC chunks free 975 total 1675 utilization 41% 2020-07-30 11:08:25 MSK Updated PD 12 Devtype FC chunks free 1228 total 1675 utilization 26% 2020-07-30 11:08:25 MSK Updated PD 13 Devtype FC chunks free 950 total 1675 utilization 43% 2020-07-30 11:08:25 MSK Updated PD 14 Devtype FC chunks free 1242 total 1675 utilization 25% 2020-07-30 11:08:25 MSK Updated PD 16 Devtype FC chunks free 951 total 1675 utilization 43% 2020-07-30 11:08:25 MSK Updated PD 17 Devtype FC chunks free 1217 total 1675 utilization 27% when i try tunesys, its does not help q: how to balancing disks ? sorry for my english
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Author: | MammaGutt [ Thu Jul 30, 2020 8:31 am ] |
Post subject: | Re: 3par balancing disks |
How are they physically installed? If the hardware is unbalanced, the chunklets will be unbalanced. |
Author: | markinnz [ Fri Jul 31, 2020 3:44 am ] |
Post subject: | Re: 3par balancing disks |
What are your CPGs configured like ? Have you restricted CPGs to particular disks ? Got an odd CPG config ? |
Author: | terminus [ Wed Aug 12, 2020 7:45 am ] |
Post subject: | Re: 3par balancing disks |
contacted support everything to be good forgot to indicate what is used AO (tiering) thx to all |
Author: | MammaGutt [ Wed Aug 12, 2020 10:47 am ] |
Post subject: | Re: 3par balancing disks |
terminus wrote: contacted support everything to be good forgot to indicate what is used AO (tiering) thx to all I still find that very weird. AO works per node pair, not node. So the utilization should be equal on all drives in the same cage. |
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