To clean up the obsolete SV relationships Restore data to original qtree on the primary storage systemįilerA> snapvault restore -S filerB:/vol/vol_secondary/qt /vol/vol_primary/qt
#Using emcopy update#
Step:3 Create thin primary and secondary volume by setting several options which I generally useįilerA> vol create vol_primary -s none aggr1 500gįilerA> vol options vol_primary fractional_reserve 0įilerA> snap autodelete vol_primary target_free_space 5įilerB> vol create vol_secondary -s none aggr1 500gįilerB> vol options vol_secondary fractional_reserve 0įilerB> vol options vol_secondary nosnap onįilerB> snapvault update /vol/vol_secondary/qt To setup SV by adding license, enabling access, creating volume, schedule, start and update. One can start this process manually from GUI or CLI with a maximum of eight concurrent dedup operations. As dedup synchronizes with SV schedule, you cannot schedule the dedup of a SV secondary volume. The deduplication of blocks is initiated when the number of changed blocks represents at least 20% of the number of blocks in volume.ģ. By enabling dedup on SV secondary storage system and secondary volume, it automatically starts the process automatically after the completion of a SV transfer.Ģ. Throttling: One can enable throttling by setting "options on|off"ġ. Log file: One can locate the SV logs in the /etc/log/snapmirror For NDMP management, port 10000 must be open on both primary and secondary systems. For SV backup and restore operations, port 10566 must be open in both directions.Ģ.
#Using emcopy archive#
For every update, SV creates a snapshot copy of the relevant volume.Īrchive: One uses SV mainly for archival purposes, as we take multiple snapshot copies, you can archive all those multiple backups that were performed multiple times.ġ. Scheduled Updates: After the initial backup, SV performs updates, transferring and storing only the data blocks that have changed since the last backup. Initial Backup (baseline): The first time SV backs up a qtree or volume, it backs up all of the data blocks on primary storage, writes the data to the secondary volume, and then creates a Snapshot on the secondary volume. Primary qtrees, non-qtree data and even volumes are backed up to qtrees on the SV secondary system.
![using emcopy using emcopy](https://cdn.vdocuments.mx/img/345x275/reader022/reader/2020060112/5e7ab6126c84a36d3b6f9d87/r-1.jpg)
#Using emcopy license#
SnapMirror license required for failover to a SV secondary qtree or volume.
![using emcopy using emcopy](https://wuchikin.files.wordpress.com/2016/08/03.png)
![using emcopy using emcopy](https://demo.dokumen.tips/img/380x512/reader025/reader/2021051116/577cd2c21a28ab9e7895ebc2/r-2.jpg)
Users can be allowed to copy-and-paste procedures to restore data.ġ.Install license for each primary (sv_ontap_pri) and secondary (sv_ontap_sec) storage system.Ģ. One can provide read-only access that is stored on SV secondary storage by exporting the SV secondary volume to or sharing with UNIX or windows clients. SV can be scheduled at multiple intervals to improve RPO. SV can be done from multiple primary storage systems to one secondary storage system, it also reduces storage requirements by using thin-replication technology and by inter-operating with deduplication. Continuing from my previous post on SnapMirror, SnapVault also uses NetApp Snapshot technology.