Error reading tape -- not enough memory?

From: Alix Morehouse (alixm@sirsi.com)
Date: Tue Jul 30 2002 - 11:34:01 EDT


I've never seen this one before. Paging space usage is running between
38-45%. Does it need to be increased, and if so, by how much? I have a
feeling this is one of those that the standard textbook formula may not
help with...

Thanks,
Alix

07/30/2002 10:16:47 AM Alix Morehouse -
SAIL#dd if=/dev/rmt0 ibs=64k | cpio -ictv > tapelog&
[1] 27736
SAIL#dd: 0511-051 The read failed.
: There is not enough memory available now.
0+0 records in.
0+0 records out.
cpio: 0511-037 Cannot read from the specified input.

Ran diags:

TESTING COMPLETE on Tue Jul 30 11:03:08 EDT 2002
801010

No trouble was found.

The resources tested were:

- sysplanar0 00-00 System Planar
- mem0 00-00 Memory
- proc0 00-00 Processor
- L2cache0 00-00 L2 Cache
- proc1 00-01 Processor
- proc2 00-02 Processor
- proc3 00-03 Processor

Use Enter to continue.

SAIL#lsattr -E -l sys0 | grep realmem
realmem 3145728 Amount of usable physical memory in Kbytes
False
SAIL#lsps -a
Page Space Physical Volume Volume Group Size %Used Active Auto
Type
hd6 hdisk0 rootvg 3584MB 38 yes yes
lv
SAIL#vmstat 60
kthr memory page faults cpu
----- ----------- ------------------------ ------------ -----------
 r b avm fre re pi po fr sr cy in sy cs us sy id wa
 0 0 434017 564 0 0 1 14 37 0 124 0 305 28 24 43 5
 2 3 436248 663 0 18 12 301 401 0 791 61984 1457 44 12 13 31
 3 3 436709 1645 0 13 6 238 337 0 747 59050 1723 53 13 10 24
 2 3 435739 197 0 5 12 174 239 0 743 51319 1394 46 12 15 27
 2 3 436182 618 0 9 171 255 951 0 776 65821 1417 43 13 14 30
 2 3 436919 125 0 7 35 280 1638 0 809 71206 1523 44 13 11 32
 3 3 439529 126 0 17 46 304 537 0 775 74186 1555 54 14 9 23
 5 3 437590 125 0 74 17 311 437 0 867 77722 1612 57 16 7 20
^CSAIL#
SAIL#df
Filesystem 512-blocks Free %Used Iused %Iused Mounted on
/dev/hd4 360448 306968 15% 1083 2% /
/dev/hd2 1015808 353840 66% 13173 11% /usr
/dev/hd9var 720896 682312 6% 270 1% /var
/dev/hd3 720896 642928 11% 412 1% /tmp
/dev/hd1 32768 31632 4% 25 1% /home
/dev/lv00 120586240 58207496 52% 70740 1% /s

Sirsi Corporation . . . www.sirsi.com
Alix Morehouse, A+, MCP
Systems Consultant
101 Washington Street, SE
Huntsville, AL 35801
Phone: 256-704-7000 Fax: 256-704-7007
How will you shape the future?



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