NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide
11.6 ADDITIONAL REPORTING WITH SIS STAT -1
For additional status information, you can use priv set diag and then use the sis stat –l command
for long, detailed listings. The following are some additional details around the sis stat command:
When volume-name is omitted, it executes for all known SIS volumes.
–l lists all the details about the volume.
-b shows the disk space usage and saved disk space in number of blocks.
-v shows the disk space usage and saved disk space in number of bytes; if stat command executed
without any option it runs with iv option only.
-g lists all the information about dedup block and change log buffer status.
–lv generates reference histograms which can be used for troubleshooting efforts if instructed by
NetApp Global Support.
Block sharing histogram
The block sharing histogram gives an indication of how many shared blocks are contiguous (adjacent to
one another) in nature.
Refcount histogram
The refcount histogram shows the total number of refcounts. That is, it shows the number of times there
are blocks with one reference pointer to them, then the number of times there are blocks with two
references to them, then the number of blocks with three references to them, and so on.
12 ADDITIONAL READING AND REFERENCES
TR-3446, SnapMirror Async Best Practices Guide
TR-3705, NetApp and VMware VDI Best Practices
TR-3702, NetApp and Microsoft Virtualization Best Practices
TR-3742, Using FlexClone to Clone Files and LUNs
TR-3701, NetApp and Microsoft Virtualization: Making Integrated Server and Storage Virtualization a Reality
TR-3694, NetApp and Citrix XenServer 4.1: Building a Virtual Infrastructure from Server to Storage
TR-3428, NetApp and VMware Virtual Infrastructure 3 Storage Best Practices
WP-7053, The 50% Virtualization Guarantee Program Technical Guide
TR-3465, SnapVault for NetBackup Deployment and Implementation Guide
TR-3487, SnapVault Design and Implementation Guide
TR-3483, Thin Provisioning in a NetApp SAN or IP SAN Enterprise Environment
TR-3548, MetroCluster Design and implementation
TR-3263, WORM Storage on Magnetic Disks Using SnapLock Compliance and SnapLock Enterprise
NetApp Data Online Backup and Recovery Guide
(119 paginas)
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