Corso Cloud Storage Es3: Difference between revisions
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* Rimuovete le snapshot e i due fileset (devono essere vuoti) | * Rimuovete le snapshot e i due fileset (devono essere vuoti) | ||
Comandi: '''mmcrsnapshot''', '''mmdelsnapshot''', '''mmunlinkfileset''', '''mmdelfileset''' | |||
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Deleting fileset ... | Deleting fileset ... | ||
Fileset fileset2_fs deleted. | Fileset fileset2_fs deleted. | ||
=== Creazione e configurazione del fileset per i servizi Glance, Cinder e Nova di OpenStack === | === Creazione e configurazione del fileset per i servizi Glance, Cinder e Nova di OpenStack === |
Revision as of 23:05, 3 October 2016
Esercitazione 3
Fileset
Comandi: mmcrfileset, mmlinkfileset, mmlsfileset, mmedquota, df, dd, mmunlinkfileset, mmrmfileset
Creazione di un dependent fileset e di un independent fileset
- Create un dependent fileset di nome fileset1_fs e mount point /gpfs/fileset1
- Create un independent fileset di nome fileset2_fs, inode limit 2048 e mount point /gpfs/fileset2
- Visualizzate i due fileset, ed usate df per visualizzare l'occupazione
- Definite una quota di 10MB sul fileset fileset1_fs, ed usate nuovamente df per visualizzare l'occupazione
- Smontate e rimuovete i due fileset
[root@gpfs-srv-0 ~]# mmcrfileset gpfs_dev fileset1_fs Fileset fileset1_fs created with id 3 root inode 24848. [root@gpfs-srv-0 ~]# mmlinkfileset gpfs_dev fileset1_fs -J /gpfs/fileset1 Fileset fileset1_fs linked at /gpfs/fileset1
[root@gpfs-srv-0 ~]# mmcrfileset gpfs_dev fileset2_fs --inode-space new --inode-limit 2048 Fileset fileset2_fs created with id 4 root inode 393219. [root@gpfs-srv-0 ~]# mmlinkfileset gpfs_dev fileset2_fs -J /gpfs/fileset2 Fileset fileset2_fs linked at /gpfs/fileset2
[root@gpfs-srv-0 ~]# ls /gpfs fileset1 fileset2 [root@gpfs-srv-0 ~]# mmlsfileset gpfs_dev Filesets in file system 'gpfs_dev': Name Status Path root Linked /gpfs fileset1_fs Linked /gpfs/fileset1 fileset2_fs Linked /gpfs/fileset2 [root@gpfs-srv-0 ~]# mmlsfileset gpfs_dev -L Filesets in file system 'gpfs_dev': Name Id RootInode ParentId Created InodeSpace MaxInodes AllocInodes Comment root 0 3 -- Sun Oct 2 12:39:29 2016 0 72192 72192 root fileset fileset1_fs 3 24848 0 Mon Oct 3 22:31:36 2016 0 0 0 fileset2_fs 4 393219 0 Mon Oct 3 22:32:16 2016 3 2048 2048
[root@gpfs-srv-0 ~]# df -h /gpfs Filesystem Size Used Avail Use% Mounted on /dev/gpfs_dev 50G 8.4G 42G 17% /gpfs [root@gpfs-srv-0 ~]# df -h /gpfs/fileset1 /gpfs/fileset2 Filesystem Size Used Avail Use% Mounted on /dev/gpfs_dev 50G 8.4G 42G 17% /gpfs /dev/gpfs_dev 50G 8.4G 42G 17% /gpfs [root@gpfs-srv-0 ~]# mmedquota -j gpfs_dev:fileset1_fs Attention: In file system gpfs_dev, block soft limit (10485760) for fileset fileset1_fs is too small. Suggest setting it higher than 104857600. Attention: In file system gpfs_dev, block hard limit (10485760) for fileset fileset1_fs is too small. Suggest setting it higher than 104857600. [root@gpfs-srv-0 ~]# df -h /gpfs/fileset1 /gpfs/fileset2 Filesystem Size Used Avail Use% Mounted on /dev/gpfs_dev 10M 0 10M 0% /gpfs /dev/gpfs_dev 50G 8.4G 42G 17% /gpfs
Snapshot
- Popolate i due fileset fileset1_fs e fileset2_fs con il contenuto di /etc
- Create una snapshot del file system, di nome global_snap, e navigate la snapshot
- Create una snapshot del fileset fileset2_fs e visualizzatela
- Rimuovete le snapshot e i due fileset (devono essere vuoti)
Comandi: mmcrsnapshot, mmdelsnapshot, mmunlinkfileset, mmdelfileset
[root@gpfs-srv-0 ~]# cp -a /etc /gpfs/fileset1/ [root@gpfs-srv-0 ~]# cp -a /etc /gpfs/fileset2/ [root@gpfs-srv-0 ~]# mmcrsnapshot gpfs_dev global_snap Flushing dirty data for snapshot global_snap... Quiescing all file system operations. Snapshot global_snap created with id 1. [root@gpfs-srv-0 ~]# mmcrsnapshot gpfs_dev global_snap Flushing dirty data for snapshot global_snap... Quiescing all file system operations. Snapshot global_snap created with id 1. [root@gpfs-srv-0 ~]# ls /gpfs/.snapshots/global_snap/fileset1/ etc [root@gpfs-srv-0 ~]# ls /gpfs/.snapshots/global_snap/fileset2/ etc
[root@gpfs-srv-0 ~]# mmcrsnapshot gpfs_dev fileset_snap -j fileset2_fs Flushing dirty data for snapshot fileset2_fs::fileset_snap... Quiescing all file system operations. Snapshot fileset2_fs::fileset_snap created with id 2. [root@gpfs-srv-0 ~]# ls /gpfs/fileset2/.snapshots/ fileset_snap [root@gpfs-srv-0 ~]# ls /gpfs/.snapshots/ global_snap
[root@gpfs-srv-0 ~]# mmdelsnapshot gpfs_dev global_snap Invalidating snapshot files in global_snap... Deleting files in snapshot global_snap... 100.00 % complete on Mon Oct 3 23:00:04 2016 ( 219648 inodes with total 6 MB data processed) Invalidating snapshot files in global_snap/F/... Delete snapshot global_snap complete, err = 0 [root@gpfs-srv-0 ~]# mmdelsnapshot gpfs_dev fileset_snap -j fileset2_fs Invalidating snapshot files in fileset2_fs::fileset_snap... Deleting files in snapshot fileset2_fs::fileset_snap... 100.00 % complete on Mon Oct 3 23:00:25 2016 ( 2048 inodes with total 1 MB data processed) Invalidating snapshot files in fileset2_fs::fileset_snap/F/... Delete snapshot fileset2_fs::fileset_snap complete, err = 0
[root@gpfs-srv-0 ~]# rm -rf /gpfs/fileset1/etc [root@gpfs-srv-0 ~]# rm -rf /gpfs/fileset2/etc [root@gpfs-srv-0 ~]# mmunlinkfileset gpfs_dev fileset1_fs Fileset fileset1_fs unlinked. [root@gpfs-srv-0 ~]# mmunlinkfileset gpfs_dev fileset2_fs Fileset fileset2_fs unlinked. [root@gpfs-srv-0 ~]# mmdelfileset gpfs_dev fileset1_fs Checking fileset ... Checking fileset complete. Deleting fileset ... Fileset fileset1_fs deleted. [root@gpfs-srv-0 ~]# mmdelfileset gpfs_dev fileset2_fs Checking fileset ... Checking fileset complete. Deleting fileset ... Fileset fileset2_fs deleted.
Creazione e configurazione del fileset per i servizi Glance, Cinder e Nova di OpenStack
Creazione di un fileset
Create e montate un fileset in gpfs_dev con le seguenti caratteristiche:
- fileset name: openstack_fs
- fileset inode space: new (independent fileset)
- junction point: /gpfs/openstack
Comandi: mmcrfileset, mmlsfileset, mmlinkfileset
[root@gpfs-srv-0 ~]# mmcrfileset gpfs_dev openstack_fs --inode-space new Fileset openstack_fs created with id 1 root inode 131075. [root@gpfs-srv-0 ~]# ls /gpfs/ [root@gpfs-srv-0 ~]# mmlinkfileset gpfs_dev openstack_fs -J /gpfs/openstack Fileset openstack_fs linked at /gpfs/openstack [root@gpfs-srv-0 ~]# ls /gpfs/ openstack [root@gpfs-srv-0 ~]# mmlsfileset gpfs_dev Filesets in file system 'gpfs_dev': Name Status Path root Linked /gpfs openstack_fs Linked /gpfs/openstack [root@gpfs-srv-0 ~]# mmlsfileset gpfs_dev -L Filesets in file system 'gpfs_dev': Name Id RootInode ParentId Created InodeSpace MaxInodes AllocInodes Comment root 0 3 -- Sun Oct 2 12:39:29 2016 0 72192 72192 root fileset openstack_fs 1 131075 0 Sun Oct 2 12:46:20 2016 1 100096 72704