[DRBD-user] DRBD9 - No free space on pool

Roberto Resoli roberto at resolutions.it
Thu Aug 31 08:13:02 CEST 2017

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Il 30/08/2017 18:39, Roberto Resoli ha scritto:
> Il 30/08/2017 18:28, Roberto Resoli ha scritto:
>> Hello,
>>
>> I am facing unability to create new volumes or enlarge old ones on a
>> three node DRBD9 cluster.
>>
>> DRBD9 packages are latest from proxmox-4 linbit repo.
> In detail:
> 
> drbd-dkms 9.0.8+linbit-1
> drbd-utils 9.0.0+linbit-1
> drbdmanage-proxmox 1.0-1
> python-drbdmanage 0.99.9-1

More details:

Kernel 4.10.17-2-pve, nodes recently upgraded to PVE v.5

Current volumes/resources are doing very well, DRBD9 cluster is in good
shape (other than reporting zero free space).

>> DRBD9 storage uses ThinLV volumes as backend, and replicaton size is
>> three for all volumes.
>>
>> # drbdmanage list-free-space -m 3
>> 0,5032497152
>> Operation completed successfully
>>
>> # drbdmanage  list-nodes -m
>> pve1,4,10.1.1.1,1677496320,0,drbdctrl|storage,N/A
>> pve2,4,10.1.1.2,1677496320,0,drbdctrl|storage,N/A
>> pve3,4,10.1.1.3,1677504512,0,drbdctrl|storage,N/A
>>
>> # drbdmanage  list-volumes -m
>> vm-100-disk-2,,0,10485760,7009,109,
>> vm-101-disk-1,,0,4194304,7001,101,
>> vm-101-disk-2,,0,62914560,7002,102,
>> vm-102-disk-1,,0,12582912,7003,103,
>> vm-103-disk-1,,0,10485760,7000,100,
>> vm-103-disk-2,,0,5242880,7004,104,
>> vm-104-disk-1,,0,10485760,7008,108,
>> vm-104-disk-2,,0,943718400,7005,105,
>> vm-105-disk-1,,0,4194304,7010,133,
>> vm-121-disk-1,,0,15728640,7007,134,
>> vm-122-disk-1,,0,8388608,7011,131,
>> vm-123-disk-1,,0,5242880,7012,135,
>>
>> The sum of single volume sizes is 1093664768; so 583831552 bytes are
>> missing.
>>
>> I have tried issuing
>>
>> drbdmanage update-pool
>>
>> without success.
>>
>> Any suggestion?
>>
>> Thanks,
>> rob




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