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How to improve the Netapp storage performance? There is no direct answer for this question but we shall do it in several way. English polish dictionary mac english polish dictionary for mac. If volume/lun present in ATA/SATA harddisk aggregate, then the volume can be migrated to FC/SAS disk aggregate.

Either you can use flash cache to improve performance. For NFS/CIFS instead of accessing from single interface, multi mode vif can be configured to get better bandwidth and fault tolerance. Always advised to keep aggr/vol utilization below 90%. Avoid doing multiple volume backup in single point of time. Aggr/volume/lun reallocation can be done to re–distribute the data to multiple disk for better striping performance. Schedule scrubbing and De-duplication scanning after business hours.

Create multiple loops and connect different types of shelf’s to each loop 8. Avoid mixing up different speeds of disk and different types of disk in a same aggregate.

Always keep sufficient spare disk to replace in case of disk failure. Because reconstruction time will take more time and cause negative performance.

Keep the advised version of firmware/software which is recommended by Netapp. Unable to map lun to solaris server, but solaris server side no issue. How to resolve the issue? FROM STORAGE SIDE: • Verify iscsi/fcp license is added in storage • Verify iscsi/fcp session is logged in from server side use below command • Netapp> igroup show -v • Verify luns are mapped to the corresponding igroup • Verify whether correct host type is mentioned while creating igroup and lun • Verify whether correct iqn/wwpn number is added to igroup • Verify zoning is properly configured from switch side, if it is FCP protocol Q. How to create the LUN for linux server? Lun create –s size –t linux /vol/vol1/lunname Q. How to create qtree and provide the security?

• Netapp>qtree create /vol/vol1/qtreename • Netapp>qtree security /vol/vol1/qtree unix ntfs mixed Q. How to copy volume filer to filer?

Ndmpcopy or snapmirror Q. How to resize the aggregate? Netapp> aggr add AggName no.of.disk Q. How to increase the volume? • Traditional Volume • vol add VolName no.of.disk • Flexible Volume • vol size VolName +60g Q. What is qtree?

Qtree is Logical partition of the volume. What is the default snap reserve in aggregate? What is snapshot? A Snapshot copy is a read-only image of a traditional or FlexVol volume, or an aggregate, that captures the state of the file system at a point in time. What are the raid groups Netapp supporting?, what is the difference between them?

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Supported RAID types: 1. What are the protocols you are using? Say some protocols like NFS, CIFS, ISCSI and FCP • Iscsi-sending block through. ISCSI does not required dedicated network, it will work on existing network also. It work’s an TCP/IP. • Fcp-send through fibre medium.

Required an dedicated FC network. Performance is so high compare to the iSCSI Q.

What is the iscsi port number? What is the difference between ndmp copy and vol copy? • Ndmp copy –network data management protocol(used for tape backup) • Vol copy – is used to transfer volume to same or another aggregate Q. What is the difference between ONTAP 7 & 8? In ONTAP 7 the individual aggregate is limited to maximum of 16 TB.