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Full Discussion: mksysb to tape too slow...
Operating Systems AIX mksysb to tape too slow... Post 302605998 by ppchu99 on Friday 9th of March 2012 06:12:36 PM
Old 03-09-2012
typo, sorry mksysb to /dev/rmt1 too slow

my correction, the tape device is /dev/rmt1..

it is still slow, takes 1 hr to do 1%...using mksysb -e -i /dev/rmt1

---------- Post updated at 06:12 PM ---------- Previous update was at 10:14 AM ----------

I gave up hopes but manage to find a LVD 320 drive , to be my /dev/rmt0

mksysb -e -i /dev/rmt0 took about 40 minutes or less ...completed

where before using /dev/rmt1 took about 1 hr to finish 1%...

/dev/rmt1 is my DDS-3 HP 4mm tape
 

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mkdevmaps(1M)                                             System Administration Commands                                             mkdevmaps(1M)

NAME
mkdevmaps - make device_maps entries SYNOPSIS
/usr/sbin/mkdevmaps DESCRIPTION
The mkdevmaps command writes to standard out a set of device_maps(4) entries describing the system's frame buffer, audio, and removable media devices. The mkdevmaps command is used by the init.d(4) scripts to create or update the /etc/security/device_maps file. Entries are generated based on the device special files found in /dev. For the different categories of devices, the mkdevmaps command checks for the following files under /dev: audio /dev/audio, /dev/audioctl, /dev/sound/... tape /dev/rst*, /dev/nrst*, /dev/rmt/... floppy /dev/diskette, /dev/fd*, /dev/rdiskette, /dev/rfd* removable disk /dev/dsk/c0t?d0s?, /dev/rdsk/c0t?d0s? frame buffer /dev/fb ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |Obsolete | +-----------------------------+-----------------------------+ SEE ALSO
allocate(1), bsmconv(1M), attributes(5) NOTES
mkdevmaps might not be supported in a future release of the Solaris operating system. SunOS 5.10 8 Oct 2003 mkdevmaps(1M)
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