ITEM: HD9755L

SYSBACK: /tmp full or hang when editing vginfo

Question:

CUSTOMER IS HIGHLY SENSITIVE. PLEASE ASSIST PROPERLY.
RS 4.1.5
model 7015/r50

Trying to do a recover w/sysback to different
platform:
No vg info was found.
He was in the midst of chg'g vg attributes when
he started getting this msg....

Response:

Customer Contact

Response:

ENV:
AIX 4.1.5
Sysback 4.1.4.4

CUSTOMER REP:
Searcy Simpson

PROBLEM:
Problem restoring with sysback

ACTION TAKEN:
Customer was trying to restore a R50 on to a J40 - the J40 had
half the disk space and less memory. Old system rootvg was on
2.2G drives - pp 4 - tried to change the pp to 8(new system 4.5G)
other volume group wanted to change pp from 16 to 8.  Customer
also wanted to turn mirroring off. Failed when changing attributes
- couldn't change lvminfor - ran out of space.  Customer will 
reboot from tape and call back to make the changes.
 ACTION PLAN:
WOCB

TEST CASE:
n/a

Response:

TRANSFERRED SEARCY TO DORIS LIVE

Response:

HOW TO INCREASE THE SIZE OF THE RAMFS WITH CHRAMFS

This will work when there is enough space in the filesystem to
get to the main menu, but when you start working with volume
group information you fail with an 'out of space' error:

1.  Find a system with the same level of aix, we found a 4.1.4 
system and it was OK to use on 4.1.5, but you can't use a 4.2 or 4.3
on 4.1. Put an initialized floppy in the drive.

2.  cd /usr/lib/boot

3.  chmod 775 chramfs

4.  backup -ivqf /dev/fd0 ./chramfs

5.  On the system that has the error, reboot and when the Main
menu comes up, pick to go into the maintenance shell.  Put the
floppy in the drive.

6. cd /tmp

7.  restore -xqf /dev/fd0

8.  specify the size to increase the filesystem:

If the size is 16m (16384) and you want to go to 20m (20480),
specify 4m:

./chramfs 4096

9.  df     ----- the size should have changed

10.  exit         -------- continue normally from here.


Response:

Customer Rep:
Searcy Simpson
630-250-5081

Action Taken:
Customer called back - same problem.  Went from 7135 scsi raid arrays
drives to 7133 scsi ssa drives(about 30 or more). Ram was at
100% used. Customer rebooted, conferenced in JR - checked /dev/ram0
4456 free.

Action Plan:
WOCB

Response:

Doris, close this as a library item.  Thanks



Support Line: SYSBACK: /tmp full or hang when editing vginfo ITEM: HD9755L

Dated: August 1998 Category: N/A

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