Gateway requirements and support information ...................63
Important cautions ............................65
Unsupported features............................66
Upgrade and revert cautions .........................67
CIFS startup might take several minutes after cluster failover giveback ..........67
Change in nondisruptive upgrade procedure ...................68
Upgrade process changes with Data ONTAP 7-Mode software images ..........69
iSCSI traffic not supported on e0M and e0P interfaces ................70
New FlexVol volume space requirements when upgrading from a release earlier than Data ONTAP
7.3.................................70
Determining system capacity and space guarantees before upgrading to Data ONTAP 7.3 or
later ...............................70
If your root FlexVol volume does not meet the new size requirements ..........71
Nondisruptive upgrades on systems with VMware ESX Server hosts ...........71
Requirements for nondisruptive upgrades on systems with deduplicated volumes ......72
New reversion and downgrade procedures ...................72
Manageability cautions ...........................73
Certificates signed with MD5 could cause loss of connectivity to secure clients .......73
If you need to boot the storage system from a Data ONTAP image stored on a remote server . . 73
TLS is not supported in the Data ONTAP 8.0 release family ..............74
RLM over IPv6 not supported in the Data ONTAP 8.0 release family ...........74
Storage management cautions .........................74
Disk failures might increase for some disk models after upgrading to this version of Data ONTAP 74
Network protocol cautions ..........................76
System might panic if the network configuration entries in the /etc/rc file are not in the
recommended order ...........................76
Reconfiguring the losk interface results in system outage ...............76
IPv6 is not supported...........................76
IPsec is not supported ..........................76
TOE is not supported...........................76
File access and protocols cautions .......................77
CIFS setup using ONTAPI library might lead to the removal of already existing user-created CIFS
shares ................................77
Storage system might panic when not specifying an export path ............77
FTPS is not supported ..........................77
SFTP is not supported ..........................78
Block access protocol cautions .........................79
Non-ASCII characters in the comment string of the lun setup command result in system panic . . 79
Identical WWPNs can occur on both nodes in a cluster ...............79
If you use Solaris 10 and the emlxs Fibre Channel Adapter driver ............79
cfmode support change in Data ONTAP 8.0 ...................79
Data protection cautions ...........................81
SnapValidator for Oracle not supported ....................81
SnapLock is not supported .........................81
New RLM firmware and its upgrade requirements ..................85
Known problems and limitations .......................87
Manageability issues ............................88
Cached data in a Flash Cache module is cleared during system reboot and takeover and giveback 88
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