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Re: Best device file to take an ignite backup on 10.20

 
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Sunil Garg
Occasional Advisor

Best device file to take an ignite backup on 10.20

Hi there,

I had restored a server from other server's backup and now facing a challange of taking an Ignite backup to be future-safe.

Could anyone tell me, what is the best device file to take an ignite backup on this one, as other device files are not created in this case?

al2c5s:/> ioscan -fnC tape
Class     I  H/W Path    Driver      S/W State H/W Type  Description
=====================================================================
tape      0  8/16/5.0.0  stape       CLAIMED   DEVICE    HP      C1533A
                        /dev/rmt/c1t0d0BEST    /dev/rmt/c1t0d0BESTb   /dev/rmt/c1t0d0BESTn   /dev/rmt/c1t0d0BESTnb

Regards

Sunil

3 REPLIES 3
Patrick Wallek
Honored Contributor

Re: Best device file to take an ignite backup on 10.20

Use this one:  /dev/rmt/c1t0d0BESTn

 

 

Bill Hassell
Honored Contributor
Solution

Re: Best device file to take an ignite backup on 10.20

Ignite (the make_tape_recovery command) requires the no-rewind device file. The naming convention using BEST was a very poor design, but you can look at the letters following. the word BEST. The letters are:

(no letter) = automatic rewind on close 
b = Berkeley handling for tape (no automatic featuers)
n = no-rewind handling
nb = Berkeley and no-rewind

See the man page for mt (man 7 mt) for details.

Use /dev/rmt/c1t0d0BESTn for Ignite backup.



Bill Hassell, sysadmin
Sunil Garg
Occasional Advisor

Re: Best device file to take an ignite backup on 10.20

Thanks Bill for the explanation!!