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$ dmg pool create --size=10G Creating DAOS pool with automatic storage allocation: 10 GB NVMe + 6.00% SCM Pool created with 100.00% SCM/NVMe ratio ----------------------------------------- UUID : 0a6003c6-23a7-4cb5-8895-c004ca2b75f5 Service Ranks : 0 Storage Ranks : [0-1] Total Size : 10 GB SCM : 10 GB (5.0 GB / rank) NVMe : 0 B (0 B / rank) $ dmg storage query usage Hosts SCM-Total SCM-Free SCM-Used NVMe-Total NVMe-Free NVMe-Used ----- --------- -------- -------- ---------- --------- --------- boro-35 17 GB 12 GB 29 % 0 B 0 B N/A boro-8 17 GB 11 GB 36 % 0 B 0 B N/A |
dmg pool
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create for specified user and group
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$# dmgCreate poola list1GB Poolpool UUIDfor user:user_1 group:admin_group1 $ dmg pool create --group=admin_group1 --user=user_1 --size=1G Creating DAOS pool with automatic storage allocation: 1.0 GB NVMe + 6.00% SCM Pool created with 100.00% SCM/NVMe Svc Replicas ratio ----------------------------------------- UUID : 64efd827-6bcb-434b-ab78-2010984539ff Service Ranks : 0 ------------ 5f362dc2-6154-44c7-8348-9de6f0a3d5d1 0 |
dmg pool destroy
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$ dmg pool destroy --pool=$DAOS_POOL Pool-destroy command succeeded $ dmg pool listStorage noRanks pools: in0 system $ dmg storage query usage Hosts SCM-Total SCM-Free SCM-Used NVMe-Total NVMe-Free NVMe-Used ----- --------- -------- -------- ---------- --------- --------- boro-35 17 GB 17 GB Total Size 0 % : 1.0 GB 0 B 0 B N/A boro-8 17 GB SCM 17 GB 0 % : 1.0 GB (1.0 BGB / rank) 0NVMe B N/A : 0 B (0 B / rank) |
dmg pool
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create with security setting
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# Create a pool with access-control via a access-list test file $ dmg pool create --size=10G=1G --acl-file=/tmp/acl_test.txt Creating DAOS pool with automatic storage allocation: 101.0 GB NVMe + 6.00% SCM Pool created with 100.00% SCM/NVMe ratio ----------------------------------------- UUID : cf8602614533f724-4fde7234-44034c70-b10b946c-abe8eb9dd32fb7a53d7d0ddf Service Ranks : 0 Storage Ranks : [0-1]0 Total Size : 101.0 GB SCM : 101.0 GB (51.0 GB / rank) NVMe : 0 B (0 B / rank) # Example of access entries on /tmp/acl_test.txt # pool OWNER: $ dmg pool listread-write Poolpermission UUID # pool owner GROUP: read-write permission # test_user1: write-only permission # test_user2: Svc Replicas --------- read-only permission # test_group1: write-only permission # test_group2: read-only permission # EVERYONE else: no ------------ cf860261-4fde-4403-b10b-abe8eb9dd32f 0 permission A::OWNER@:rw A:G:GROUP@:rw A::test_user1@:w A::test_user2@:r A:G:test_group1@:w A:G:test_group2@:r A::EVERYONE@: # Get pool security acl $ dmg pool queryget-acl --pool=$DAOS_POOL Pool cf860261-4fde-4403-b10b-abe8eb9dd32f, ntarget=16, disabled=0, leader=0, version=1 Pool space info: - Target(VOS) count:16 - SCM: Total size: 10 GB Free: 10 GB, min:625 MB, max:625 MB, mean:625 MB - NVMe: Total size: 0 B Free: 0 B, min:0 B, max:0 B, mean:0 B Rebuild idle, 0 objs, 0 recs |
dmg pool create for specified user and group
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# Create a 1GB pool for user:user_1 group:admin_group1 $ dmg pool create --group=admin_group1 --user=user_1 --size=1G Creating DAOS pool with automatic storage allocation: 1.0 GB NVMe + 6.00% SCM Pool created with 100.00% SCM/NVMe ratio ----------------------------------------- UUID# Entries: A::OWNER@:rw A::test_user1@:w A::test_user2@:r A:G:GROUP@:rw A:G:test_group1@:w A:G:test_group2@:r A::EVERYONE@: # Update pool access entry for the existing test_group1 to no-permission dmg pool update-acl -e A:G:test_group1@: --pool=$DAOS_POOL # Update pool access entry for a new user test_user3 with rw permission dmg pool update-acl -e A::test_user3@:rw --pool=$DAOS_POOL # Get pool security acl after update-acl $ dmg pool get-acl --pool=$DAOS_POOL # Entries: A::OWNER@:rw A::test_user1@:w A::test_user2@:r A::test_user3@:rw A:G:GROUP@:rw A:G:test_group1@: A:G:test_group2@:r A::EVERYONE@: |
dmg pool list
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$ dmg pool list Pool UUID Svc Replicas : 64efd827------6bcb-434b-ab78-2010984539ff Service Ranks : 0 ------------ 5f362dc2-6154-44c7-8348-9de6f0a3d5d1 0 Storage Ranks : 0 Total Size : 1.0 GB |
dmg pool destroy
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$ dmg pool destroy --pool=$DAOS_POOL Pool-destroy command succeeded $ dmg pool list no pools in system $ dmg storage query usage Hosts SCM-Total SCM-Free SCM-Used NVMe-Total NVMe-Free NVMe-Used ----- --------- -------- -------- ---------- --------- --------- boro-35 17 GB 17 GB 0 % 0 B 0 B N/A SCM boro-8 17 GB : 1.0 GB (1.017 GB / rank) 0 % 0 B NVMe0 B N/A : 0 B (0 B / rank) |
dmg pool
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query
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# Create a pool with access-control via a access-list test file $ dmg pool create --size=1G --acl-file=/tmp/acl_test.txt10G Creating DAOS pool with automatic storage allocation: 1.010 GB NVMe + 6.00% SCM Pool created with 100.00% SCM/NVMe ratio ----------------------------------------- UUID : 4533f724cf860261-72344fde-4c704403-946cb10b-b7a53d7d0ddfabe8eb9dd32f Service Ranks : 0 Storage Ranks : [0-1] Total Size : 1.010 GB SCM : 1.010 GB (15.0 GB / rank) NVMe : 0 B (0 B / rank) # Example of access entries on /tmp/acl_test.txt # pool OWNER: read-write permission # pool owner GROUP: read-write permission # test_user1: $ dmg pool list Pool UUID write-only permission # test_user2: read-only permission # test_group1: write-only permission # test_group2: Svc Replicas read-only permission # EVERYONE else:--------- no permission A::OWNER@:rw A:G:GROUP@:rw A::test_user1@:w A::test_user2@:r A:G:test_group1@:w A:G:test_group2@:r A::EVERYONE@: # Get pool security acl $ dmg pool get-acl --pool=$DAOS_POOL # Entries: A::OWNER@:rw A::test_user1@:w A::test_user2@:r A:G:GROUP@:rw A:G:test_group1@:w A:G:test_group2@:r A::EVERYONE@: # Update pool access entry for the existing test_group1 to no-permission dmg pool update-acl -e A:G:test_group1@: --pool=$DAOS_POOL # Update pool access entry for a new user test_user3 with rw permission dmg pool update-acl -e A::test_user3@:rw --pool=$DAOS_POOL # Get pool security acl after update-acl $ dmg pool get-acl --pool=$DAOS_POOL # Entries: A::OWNER@:rw A::test_user1@:w A::test_user2@:r A::test_user3@:rw A:G:GROUP@:rw A:G:test_group1@: A:G:test_group2@:r A::EVERYONE@: ------------ cf860261-4fde-4403-b10b-abe8eb9dd32f 0 $ dmg pool query --pool=$DAOS_POOL Pool cf860261-4fde-4403-b10b-abe8eb9dd32f, ntarget=16, disabled=0, leader=0, version=1 Pool space info: - Target(VOS) count:16 - SCM: Total size: 10 GB Free: 10 GB, min:625 MB, max:625 MB, mean:625 MB - NVMe: Total size: 0 B Free: 0 B, min:0 B, max:0 B, mean:0 B Rebuild idle, 0 objs, 0 recs |
DAOS tool (daos) usage for daos_client
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