Ignite UX backup

[Kenrick Sy]

Hi,

How would you know if the backup process has not stopped? After I issued the command /opt/ignite/bin/make_tape_recovery –x inc_entire=vg00 –l –v –a /dev/rmt/0mn, I was stucked in this step "Archiving contents of hpux via tar image to local device/dev/rmt/0mn". The command was issued 90 minutes ago.

Usually how long will it take for the ignite backup to finish?

Thanks.

Kenrick

[Kenrick Sy]

The command should be # /opt/ignite/bin/make_tape_recovery -x inc_entire=vg00 -l -v -a /dev/rmt/0mn

[Warren_9]

hi,

The time depends on the size of your vg00 and what kind of tape device is using?

[Devender Khatana]

Hi,

The time displayed here is not much and a system depending upon the utilization at the time of backup,volume of data in vg00 & the speed of drive you are backing to can take this much time. If you have 36GB OS disk/disks in vg00 with good amount of data and also if your system is in use it can take this much time. I normally take backup at idle time when system utilization is minimal and with 36GB, DLT tape it takes around 45 minutes. An Ultrium-2 takes only 10 minutes to backup same data.

But in some scenarios when system utilization is high, it goes upto 90 minutes maximum.

HTH,
Devender

[Kenrick Sy]

Hi,

Thanks for your reply. Tape drive is DAT40, tape cartridge is DDS2. If your hard disk capacity is 36GB and you have 20GB free space, the image would be 16GB? Am i right?

Thanks.

Kenrick

[Adisuria Wangsadinata_1]

Hi,

You need to check below :
1. the SCSI cable between your system and the tape drive
2. SCSI terminator on your tape drive
3. clean-up the tape drive before run the Ignite/UX backup

Yes, the image around 16GB if you have 20GB for free space on 36GB harddisk.

You can cancel the process, try to check the connection, cleanup the tape drive and use the new DDS tape after that.

Hope this will help you.

Cheers,
AW

[Devender Khatana]

Hi,

Yes, you are right but also exclude the size of swap partition from that total as it is not backed up. DAT40 is yet slow and when DLT takes upto 90 minutes for approx. similar volume I woul expect it to finish somewhere in 2hours or so. The load factor also can effect that.

HTH,
Devender

[MarkSyder]

Have you checked the activity light on the tape drive?

Mark Syder (like the drink but spelt different)

[Kenrick Sy]

Hi AW,

How do i clean up the drive? Is there a UNIX command to erase the contents of the tape?

Thanks.

Kenrick

[Devender Khatana]

Hi,

By cleaning here we mean to say to clean head of the tape drive using cleaning cartridge. The contents of the drive will be overwritten by itself and do not effect the time delay.

HTH,
Devender

[Adisuria Wangsadinata_1]

Hi,

Cleaning the tape drive by using the cleaning catridge. This steps is to make sure that the tape head is clean and ready to use.

Just put the cleaning tape into your DDS tape drive and let it run by itself. Once the process finished, the cleaning catridge will be ejected by itself. After that try to use the new DDS tape and re-run the Ignite/UX command.

Hope this can help you.

Cheers,
AW

[Devender Khatana]

Hi Kenrick,

Remember a DDS-2 Media in a DDS-40 drive will give throughput of a DDS-2 tape drive only.

HTH,
Devender