Veritas Storage Foundation and High Availability Solutions Release Notes

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132About Veritas Storage Foundation and High Availability SolutionsSoftware limitationsthat the reclamation is done on the disks but the actual storage is not reclaimedfor volumes with snapshots:# vxdisk -o full reclaim dg1Reclaiming storage on:Disk xiv0_617 : Done.Disk xiv0_616 : Done.Disk xiv0_618 : Done.Disk xiv0_612 : Done.Disk xiv0_613 : Done.Disk xiv0_614 : Done.Disk xiv0_615 : DoneAs shown in the following example output, the storage is not actually reclaimed.# vxdisk -o thin listDEVICESIZE(MB) PHYS_ALLOC(MB) GROUP TYPExiv0_612 19313 2101 dg1 thinrclmxiv0_613 19313 2108 dg1 thinrclmxiv0_614 19313 35 dg1 thinrclmxiv0_615 19313 32 dg1 thinrclmxiv0_616 19313 31 dg1 thinrclmxiv0_617 19313 31 dg1 thinrclmxiv0_618 19313 31 dg1 thinrclmSF does not support thin reclamation of space on a linked mirror volume(2729563)The thin reclamation feature does not support thin reclamation for a linked mirrorvolume.DR Tool is not supported in Solaris x86 machine (2951032)I386 is not a supported architecture of the Dynamic Reconfiguration (DR) script,the pre check for the DR Tool fails.Veritas File System software limitationsThe following are software limitations in the 6.0.3 release of Veritas StorageFoundation.Recommended limit of number of files in a directoryTo maximize VxFS performance, do not exceed 100,000 files in the same directory.Use multiple directories instead.
About Veritas Storage Foundation and High Availability SolutionsSoftware limitations133Limitations with delayed allocation for extending writes featureThe following limitations apply to the delayed allocation for extending writesfeature:■■■■In the cases where the file data must be written to disk immediately, delayedallocation is disabled on that file. Examples of such cases include Direct I/O,concurrent I/O, FDD/ODM access, and synchronous I/O.Delayed allocation is not supported on memory mapped files.Delayed allocation is not supported with BSD quotas. When BSD quotas areenabled on a file system, delayed allocation is turned off automatically for thatfile system.Delayed allocation is not supported for shared mounts in a cluster file system.FlashBackup in NetBackup 7.1 and prior does not support disk layoutVersion 8 and 9The FlashBackup feature of NetBackup 7.1 or prior does not support a VxFS filesystem with disk layout Version 8 or 9.Compressed files that are backed up using NetBackup 7.1 or prior becomeuncompressed when you restore the filesThe NetBackup 7.1 release and prior does not support the file compression feature.If you back up compressed files using NetBackup 7.1 or a prior release, the filesbecome uncompressed when you restore the files.Veritas Storage Foundation for Databases (SFDB) toolssoftware limitationsThe following are the SFDB tools software limitations in this release.Oracle Data Guard in an Oracle RAC environmentDatabase snapshots and Database Storage Checkpoints are not supported in aData Guard with Oracle RAC environment.Upgrading to Oracle 10.2.0.5 is required if using SFDB toolsIf you are running Oracle version 10.2.0.4 and upgrading a Storage Foundationproduct with SFDB tools to 6.0.3, you must upgrade the Oracle binaries anddatabase to version 10.2.0.5, before upgrading to 6.0.3.Parallel execution of vxsfadm is not supported (2515442)Only one instance of the vxsfadm command can be run at a time. Running multipleinstances of vxsfadm at a time is not supported.
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Veritas Storage Foundationand High
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Symantec Corporation350 Ellis Stree
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■■■■■■■Hardware infor
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ContentsTechnical Support .........
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Contents9Chapter 4 Upgrading to 6.0
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Chapter1About Veritas StorageFounda
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Veritas Storage Foundation and High Availability Solutions Release Notes

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