| Question |
| Do we need to rewind LTO3/4 tapes after mksysb backup.? or else how can we use the same tape for more than 1 server for mksysb backup. |
| Answer |
| As per the standard and best practices its not recommeded this one. LTO3/4 can be used for the Datavg backups. Preferred methond which we can use it on NIM or in the form of File. |
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| Question |
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| How do we recover an upgraded client using NIM? |
| Answer |
| If we are performing alt_disk_migration upgrade in NIM and want to revert it back. It can be brought back with just reboot with original disk. The other method with MKSYSB restore prior upgraded version via NIM. |
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| Question |
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| Can we do backupvg to a hdisk and what is the VG convention used in disk used for backup? |
| Answer |
| DO you mean to say, Backing up VG backup to a disk. Then with the help of savevg command we can take the backup of complete VG. The savevg command finds and backs up all files belonging to a specified volume group. The volume group must be varied-on, and the file systems must be mounted. The savevg command uses the data file created by the mkvgdata command. This backup can be taken on tape drive,file or in USB. |
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| How much percent backup failures will reduce if we use -T with mksysb command.? |
| Answer |
| As far a Understand, Mksysb doesn’t comes with such flag called -T. |
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| Question |
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| What is the tool used for backup and recovery in AIX ? |
| Answer |
| Based on the backup Its Rootvg Backup then MKSYSB, to restore use restmksysb Other than Rootvg , savevg backups complete backup of datavg backup. If we want to backup files then use backup command and restoration use restore command . Samller backups less than MB, we can make use tar backup with “”-cvf” flags abd “-xvf” to restore it. |
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| Question |
| Whether compression happens during backup ? |
| Answer |
| Tar command used to compress the files along with backing that up. But tar has some limitations in the for of file size. |
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